refactor(plugins): simplify goroutine management in task queue service

Signed-off-by: Deluan <deluan@navidrome.org>

.devcontainer/Dockerfile

@@ -14,7 +14,7 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     && apt-get -y install --no-install-recommends ffmpeg
 
 # Install TagLib from cross-taglib releases
-ARG CROSS_TAGLIB_VERSION="2.1.1-1"
+ARG CROSS_TAGLIB_VERSION="2.2.0-1"
 ARG TARGETARCH
 RUN DOWNLOAD_ARCH="linux-${TARGETARCH}" \
     && wget -q "https://github.com/navidrome/cross-taglib/releases/download/v${CROSS_TAGLIB_VERSION}/taglib-${DOWNLOAD_ARCH}.tar.gz" -O /tmp/cross-taglib.tar.gz \

.devcontainer/devcontainer.json

@@ -8,7 +8,7 @@
 			// Options
 			"INSTALL_NODE": "true",
 			"NODE_VERSION": "v24",
-			"CROSS_TAGLIB_VERSION": "2.1.1-1"
+			"CROSS_TAGLIB_VERSION": "2.2.0-1"
 		}
 	},
 	"workspaceMount": "",

.github/workflows/pipeline.yml

@@ -14,7 +14,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  CROSS_TAGLIB_VERSION: "2.1.1-2"
+  CROSS_TAGLIB_VERSION: "2.2.0-1"
   CGO_CFLAGS_ALLOW: "--define-prefix"
   IS_RELEASE: ${{ startsWith(github.ref, 'refs/tags/') && 'true' || 'false' }}
 
@@ -117,7 +117,7 @@ jobs:
       - name: Test
         run: |
           pkg-config --define-prefix --cflags --libs taglib # for debugging
-          go test -shuffle=on -tags netgo -race ./... -v
+          go test -shuffle=on -tags netgo,sqlite_fts5 -race ./... -v
 
       - name: Test ndpgen
         run: |
@@ -424,7 +424,7 @@ jobs:
         run: echo 'RELEASE_FLAGS=--skip=publish --snapshot' >> $GITHUB_ENV
 
       - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v6
+        uses: goreleaser/goreleaser-action@v7
         with:
           version: '~> v2'
           args: "release --clean -f release/goreleaser.yml ${{ env.RELEASE_FLAGS }}"

.golangci.yml

@@ -2,6 +2,7 @@ version: "2"
 run:
   build-tags:
     - netgo
+    - sqlite_fts5
 linters:
   enable:
     - asasalint

CONTRIBUTING.md

@@ -38,7 +38,7 @@ Before submitting a pull request, ensure that you go through the following:
 ### Commit Conventions
 Each commit message must adhere to the following format:
 ```
-<type>(scope): <description> - <issue number>
+<type>(scope): <description>
 
 [optional body]
 ```

Dockerfile

@@ -28,7 +28,7 @@ COPY --from=xx-build /out/ /usr/bin/
 ### Get TagLib
 FROM --platform=$BUILDPLATFORM public.ecr.aws/docker/library/alpine:3.20 AS taglib-build
 ARG TARGETPLATFORM
-ARG CROSS_TAGLIB_VERSION=2.1.1-2
+ARG CROSS_TAGLIB_VERSION=2.2.0-1
 ENV CROSS_TAGLIB_RELEASES_URL=https://github.com/navidrome/cross-taglib/releases/download/v${CROSS_TAGLIB_VERSION}/
 
 # wget in busybox can't follow redirects
@@ -109,7 +109,7 @@ RUN --mount=type=bind,source=. \
         export EXT=".exe"
     fi
 
-    go build -tags=netgo -ldflags="${LD_EXTRA} -w -s \
+    go build -tags=netgo,sqlite_fts5 -ldflags="${LD_EXTRA} -w -s \
         -X github.com/navidrome/navidrome/consts.gitSha=${GIT_SHA} \
         -X github.com/navidrome/navidrome/consts.gitTag=${GIT_TAG}" \
         -o /out/navidrome${EXT} .

Makefile

@@ -1,5 +1,6 @@
 GO_VERSION=$(shell grep "^go " go.mod | cut -f 2 -d ' ')
 NODE_VERSION=$(shell cat .nvmrc)
+GO_BUILD_TAGS=netgo,sqlite_fts5
 
 # Set global environment variables, required for most targets
 export CGO_CFLAGS_ALLOW=--define-prefix
@@ -19,7 +20,7 @@ PLATFORMS ?= $(SUPPORTED_PLATFORMS)
 DOCKER_TAG ?= deluan/navidrome:develop
 
 # Taglib version to use in cross-compilation, from https://github.com/navidrome/cross-taglib
-CROSS_TAGLIB_VERSION ?= 2.1.1-2
+CROSS_TAGLIB_VERSION ?= 2.2.0-1
 GOLANGCI_LINT_VERSION ?= v2.10.0
 
 UI_SRC_FILES := $(shell find ui -type f -not -path "ui/build/*" -not -path "ui/node_modules/*")
@@ -46,12 +47,12 @@ stop: ##@Development Stop development servers (UI and backend)
 .PHONY: stop
 
 watch: ##@Development Start Go tests in watch mode (re-run when code changes)
-	go tool ginkgo watch -tags=netgo -notify ./...
+	go tool ginkgo watch -tags=$(GO_BUILD_TAGS) -notify ./...
 .PHONY: watch
 
 PKG ?= ./...
 test: ##@Development Run Go tests. Use PKG variable to specify packages to test, e.g. make test PKG=./server
-	go test -tags netgo $(PKG)
+	go test -tags $(GO_BUILD_TAGS) $(PKG)
 .PHONY: test
 
 test-ndpgen: ##@Development Run tests for ndpgen plugin
@@ -62,7 +63,7 @@ testall: test test-ndpgen test-i18n test-js ##@Development Run Go and JS tests
 .PHONY: testall
 
 test-race: ##@Development Run Go tests with race detector
-	go test -tags netgo -race -shuffle=on  $(PKG)
+	go test -tags $(GO_BUILD_TAGS) -race -shuffle=on  $(PKG)
 .PHONY: test-race
 
 test-js: ##@Development Run JS tests
@@ -108,7 +109,7 @@ format: ##@Development Format code
 .PHONY: format
 
 wire: check_go_env ##@Development Update Dependency Injection
-	go tool wire gen -tags=netgo ./...
+	go tool wire gen -tags=$(GO_BUILD_TAGS) ./...
 .PHONY: wire
 
 gen: check_go_env ##@Development Run go generate for code generation
@@ -144,14 +145,14 @@ setup-git: ##@Development Setup Git hooks (pre-commit and pre-push)
 .PHONY: setup-git
 
 build: check_go_env buildjs ##@Build Build the project
-	go build -ldflags="-X github.com/navidrome/navidrome/consts.gitSha=$(GIT_SHA) -X github.com/navidrome/navidrome/consts.gitTag=$(GIT_TAG)" -tags=netgo
+	go build -ldflags="-X github.com/navidrome/navidrome/consts.gitSha=$(GIT_SHA) -X github.com/navidrome/navidrome/consts.gitTag=$(GIT_TAG)" -tags=$(GO_BUILD_TAGS)
 .PHONY: build
 
 buildall: deprecated build
 .PHONY: buildall
 
 debug-build: check_go_env buildjs ##@Build Build the project (with remote debug on)
-	go build -gcflags="all=-N -l" -ldflags="-X github.com/navidrome/navidrome/consts.gitSha=$(GIT_SHA) -X github.com/navidrome/navidrome/consts.gitTag=$(GIT_TAG)" -tags=netgo
+	go build -gcflags="all=-N -l" -ldflags="-X github.com/navidrome/navidrome/consts.gitSha=$(GIT_SHA) -X github.com/navidrome/navidrome/consts.gitTag=$(GIT_TAG)" -tags=$(GO_BUILD_TAGS)
 .PHONY: debug-build
 
 buildjs: check_node_env ui/build/index.html ##@Build Build only frontend
@@ -201,8 +202,8 @@ docker-msi: ##@Cross_Compilation Build MSI installer for Windows
 	@du -h binaries/msi/*.msi
 .PHONY: docker-msi
 
-run-docker: ##@Development Run a Navidrome Docker image. Usage: make run-docker tag=<tag>
+docker-run: ##@Development Run a Navidrome Docker image. Usage: make docker-run tag=<tag>
-	@if [ -z "$(tag)" ]; then echo "Usage: make run-docker tag=<tag>"; exit 1; fi
+	@if [ -z "$(tag)" ]; then echo "Usage: make docker-run tag=<tag>"; exit 1; fi
 	@TAG_DIR="tmp/$$(echo '$(tag)' | tr '/:' '_')"; mkdir -p "$$TAG_DIR"; \
     VOLUMES="-v $(PWD)/$$TAG_DIR:/data"; \
 	if [ -f navidrome.toml ]; then \
@@ -213,7 +214,7 @@ run-docker: ##@Development Run a Navidrome Docker image. Usage: make run-docker
 	  	fi; \
 	fi; \
 	echo "Running: docker run --rm -p 4533:4533 $$VOLUMES $(tag)"; docker run --rm -p 4533:4533 $$VOLUMES $(tag)
-.PHONY: run-docker
+.PHONY: docker-run
 
 package: docker-build ##@Cross_Compilation Create binaries and packages for ALL supported platforms
 	@if [ -z `which goreleaser` ]; then echo "Please install goreleaser first: https://goreleaser.com/install/"; exit 1; fi

adapters/gotaglib/gotaglib.go

@@ -20,6 +20,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/core/storage/local"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model/metadata"
@@ -43,7 +44,7 @@ func (e extractor) Parse(files ...string) (map[string]metadata.Info, error) {
 }
 
 func (e extractor) Version() string {
-	return "go-taglib (TagLib 2.1.1 WASM)"
+	return "2.2 WASM"
 }
 
 func (e extractor) extractMetadata(filePath string) (*metadata.Info, error) {
@@ -279,4 +280,7 @@ func init() {
 	local.RegisterExtractor("taglib", func(fsys fs.FS, baseDir string) local.Extractor {
 		return &extractor{fsys}
 	})
+	conf.AddHook(func() {
+		log.Debug("go-taglib version", "version", extractor{}.Version())
+	})
 }

cmd/root.go

@@ -196,7 +196,8 @@ func runInitialScan(ctx context.Context) func() error {
 		if err != nil {
 			return err
 		}
-		scanNeeded := conf.Server.Scanner.ScanOnStartup || inProgress || fullScanRequired == "1" || pidHasChanged
+		scanOnStartup := conf.Server.Scanner.Enabled && conf.Server.Scanner.ScanOnStartup
+		scanNeeded := scanOnStartup || inProgress || fullScanRequired == "1" || pidHasChanged
 		time.Sleep(2 * time.Second) // Wait 2 seconds before the initial scan
 		if scanNeeded {
 			s := CreateScanner(ctx)

cmd/scan.go

@@ -8,7 +8,7 @@ import (
 	"os"
 	"strings"
 
-	"github.com/navidrome/navidrome/core"
+	"github.com/navidrome/navidrome/core/playlists"
 	"github.com/navidrome/navidrome/db"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model"
@@ -74,7 +74,7 @@ func runScanner(ctx context.Context) {
 	sqlDB := db.Db()
 	defer db.Db().Close()
 	ds := persistence.New(sqlDB)
-	pls := core.NewPlaylists(ds)
+	pls := playlists.NewPlaylists(ds)
 
 	// Parse targets from command line or file
 	var scanTargets []model.ScanTarget

cmd/wire_gen.go

@@ -18,6 +18,7 @@ import (
 	"github.com/navidrome/navidrome/core/ffmpeg"
 	"github.com/navidrome/navidrome/core/metrics"
 	"github.com/navidrome/navidrome/core/playback"
+	"github.com/navidrome/navidrome/core/playlists"
 	"github.com/navidrome/navidrome/core/scrobbler"
 	"github.com/navidrome/navidrome/db"
 	"github.com/navidrome/navidrome/model"
@@ -61,7 +62,7 @@ func CreateNativeAPIRouter(ctx context.Context) *nativeapi.Router {
 	sqlDB := db.Db()
 	dataStore := persistence.New(sqlDB)
 	share := core.NewShare(dataStore)
-	playlists := core.NewPlaylists(dataStore)
+	playlistsPlaylists := playlists.NewPlaylists(dataStore)
 	insights := metrics.GetInstance(dataStore)
 	fileCache := artwork.GetImageCache()
 	fFmpeg := ffmpeg.New()
@@ -72,12 +73,12 @@ func CreateNativeAPIRouter(ctx context.Context) *nativeapi.Router {
 	provider := external.NewProvider(dataStore, agentsAgents)
 	artworkArtwork := artwork.NewArtwork(dataStore, fileCache, fFmpeg, provider)
 	cacheWarmer := artwork.NewCacheWarmer(artworkArtwork, fileCache)
-	modelScanner := scanner.New(ctx, dataStore, cacheWarmer, broker, playlists, metricsMetrics)
+	modelScanner := scanner.New(ctx, dataStore, cacheWarmer, broker, playlistsPlaylists, metricsMetrics)
 	watcher := scanner.GetWatcher(dataStore, modelScanner)
 	library := core.NewLibrary(dataStore, modelScanner, watcher, broker, manager)
 	user := core.NewUser(dataStore, manager)
 	maintenance := core.NewMaintenance(dataStore)
-	router := nativeapi.New(dataStore, share, playlists, insights, library, user, maintenance, manager)
+	router := nativeapi.New(dataStore, share, playlistsPlaylists, insights, library, user, maintenance, manager)
 	return router
 }
 
@@ -98,11 +99,11 @@ func CreateSubsonicAPIRouter(ctx context.Context) *subsonic.Router {
 	archiver := core.NewArchiver(mediaStreamer, dataStore, share)
 	players := core.NewPlayers(dataStore)
 	cacheWarmer := artwork.NewCacheWarmer(artworkArtwork, fileCache)
-	playlists := core.NewPlaylists(dataStore)
+	playlistsPlaylists := playlists.NewPlaylists(dataStore)
-	modelScanner := scanner.New(ctx, dataStore, cacheWarmer, broker, playlists, metricsMetrics)
+	modelScanner := scanner.New(ctx, dataStore, cacheWarmer, broker, playlistsPlaylists, metricsMetrics)
 	playTracker := scrobbler.GetPlayTracker(dataStore, broker, manager)
 	playbackServer := playback.GetInstance(dataStore)
-	router := subsonic.New(dataStore, artworkArtwork, mediaStreamer, archiver, players, provider, modelScanner, broker, playlists, playTracker, share, playbackServer, metricsMetrics)
+	router := subsonic.New(dataStore, artworkArtwork, mediaStreamer, archiver, players, provider, modelScanner, broker, playlistsPlaylists, playTracker, share, playbackServer, metricsMetrics)
 	return router
 }
 
@@ -165,8 +166,8 @@ func CreateScanner(ctx context.Context) model.Scanner {
 	provider := external.NewProvider(dataStore, agentsAgents)
 	artworkArtwork := artwork.NewArtwork(dataStore, fileCache, fFmpeg, provider)
 	cacheWarmer := artwork.NewCacheWarmer(artworkArtwork, fileCache)
-	playlists := core.NewPlaylists(dataStore)
+	playlistsPlaylists := playlists.NewPlaylists(dataStore)
-	modelScanner := scanner.New(ctx, dataStore, cacheWarmer, broker, playlists, metricsMetrics)
+	modelScanner := scanner.New(ctx, dataStore, cacheWarmer, broker, playlistsPlaylists, metricsMetrics)
 	return modelScanner
 }
 
@@ -182,8 +183,8 @@ func CreateScanWatcher(ctx context.Context) scanner.Watcher {
 	provider := external.NewProvider(dataStore, agentsAgents)
 	artworkArtwork := artwork.NewArtwork(dataStore, fileCache, fFmpeg, provider)
 	cacheWarmer := artwork.NewCacheWarmer(artworkArtwork, fileCache)
-	playlists := core.NewPlaylists(dataStore)
+	playlistsPlaylists := playlists.NewPlaylists(dataStore)
-	modelScanner := scanner.New(ctx, dataStore, cacheWarmer, broker, playlists, metricsMetrics)
+	modelScanner := scanner.New(ctx, dataStore, cacheWarmer, broker, playlistsPlaylists, metricsMetrics)
 	watcher := scanner.GetWatcher(dataStore, modelScanner)
 	return watcher
 }

conf/buildtags/buildtags.go

@@ -1,4 +0,0 @@
-package buildtags
-
-// This file is left intentionally empty. It is used to make sure the package is not empty, in the case all
-// required build tags are disabled.

conf/buildtags/doc.go

@@ -0,0 +1,6 @@
+// Package buildtags provides compile-time enforcement of required build tags.
+//
+// Each file in this package is guarded by a build constraint and exports a variable
+// that main.go references. If a required tag is missing during compilation, the build
+// fails with an "undefined" error, directing the developer to use `make build`.
+package buildtags

conf/buildtags/netgo.go

@@ -2,10 +2,6 @@
 
 package buildtags
 
-// NOTICE: This file was created to force the inclusion of the `netgo` tag when compiling the project.
+// The `netgo` tag is required when compiling the project. See https://github.com/navidrome/navidrome/issues/700
-// If the tag is not included, the compilation will fail because this variable won't be defined, and the `main.go`
-// file requires it.
-
-// Why this tag is required? See https://github.com/navidrome/navidrome/issues/700
 
 var NETGO = true

conf/buildtags/sqlite_fts5.go

@@ -0,0 +1,8 @@
+//go:build sqlite_fts5
+
+package buildtags
+
+// FTS5 is required for full-text search. Without this tag, the SQLite driver
+// won't include FTS5 support, causing runtime failures on migrations and search queries.
+
+var SQLITE_FTS5 = true

conf/configuration.go

@@ -58,7 +58,7 @@ type configOptions struct {
 	SmartPlaylistRefreshDelay       time.Duration
 	AutoTranscodeDownload           bool
 	DefaultDownsamplingFormat       string
-	SearchFullString                bool
+	Search                          searchOptions `json:",omitzero"`
 	SimilarSongsMatchThreshold      int
 	RecentlyAddedByModTime          bool
 	PreferSortTags                  bool
@@ -82,6 +82,7 @@ type configOptions struct {
 	DefaultTheme                    string
 	DefaultLanguage                 string
 	DefaultUIVolume                 int
+	UISearchDebounceMs              int
 	EnableReplayGain                bool
 	EnableCoverAnimation            bool
 	EnableNowPlaying                bool
@@ -154,6 +155,7 @@ type scannerOptions struct {
 
 type subsonicOptions struct {
 	AppendSubtitle        bool
+	AppendAlbumVersion    bool
 	ArtistParticipations  bool
 	DefaultReportRealPath bool
 	EnableAverageRating   bool
@@ -249,6 +251,12 @@ type pluginsOptions struct {
 type extAuthOptions struct {
 	TrustedSources string
 	UserHeader     string
+	LogoutURL      string
+}
+
+type searchOptions struct {
+	Backend    string
+	FullString bool
 }
 
 var (
@@ -339,11 +347,14 @@ func Load(noConfigDump bool) {
 		validateBackupSchedule,
 		validatePlaylistsPath,
 		validatePurgeMissingOption,
+		validateURL("ExtAuth.LogoutURL", Server.ExtAuth.LogoutURL),
 	)
 	if err != nil {
 		os.Exit(1)
 	}
 
+	Server.Search.Backend = normalizeSearchBackend(Server.Search.Backend)
+
 	if Server.BaseURL != "" {
 		u, err := url.Parse(Server.BaseURL)
 		if err != nil {
@@ -392,6 +403,7 @@ func Load(noConfigDump bool) {
 	logDeprecatedOptions("Scanner.GenreSeparators", "")
 	logDeprecatedOptions("Scanner.GroupAlbumReleases", "")
 	logDeprecatedOptions("DevEnableBufferedScrobble", "") // Deprecated: Buffered scrobbling is now always enabled and this option is ignored
+	logDeprecatedOptions("SearchFullString", "Search.FullString")
 	logDeprecatedOptions("ReverseProxyWhitelist", "ExtAuth.TrustedSources")
 	logDeprecatedOptions("ReverseProxyUserHeader", "ExtAuth.UserHeader")
 	logDeprecatedOptions("HTTPSecurityHeaders.CustomFrameOptionsValue", "HTTPHeaders.FrameOptions")
@@ -539,6 +551,44 @@ func validateSchedule(schedule, field string) (string, error) {
 	return schedule, err
 }
 
+// validateURL checks if the provided URL is valid and has either http or https scheme.
+// It returns a function that can be used as a hook to validate URLs in the config.
+func validateURL(optionName, optionURL string) func() error {
+	return func() error {
+		if optionURL == "" {
+			return nil
+		}
+		u, err := url.Parse(optionURL)
+		if err != nil {
+			log.Error(fmt.Sprintf("Invalid %s: it could not be parsed", optionName), "url", optionURL, "err", err)
+			return err
+		}
+		if u.Scheme != "http" && u.Scheme != "https" {
+			err := fmt.Errorf("invalid scheme for %s: '%s'. Only 'http' and 'https' are allowed", optionName, u.Scheme)
+			log.Error(err.Error())
+			return err
+		}
+		// Require an absolute URL with a non-empty host and no opaque component.
+		if u.Host == "" || u.Opaque != "" {
+			err := fmt.Errorf("invalid %s: '%s'. A full http(s) URL with a non-empty host is required", optionName, optionURL)
+			log.Error(err.Error())
+			return err
+		}
+		return nil
+	}
+}
+
+func normalizeSearchBackend(value string) string {
+	v := strings.ToLower(strings.TrimSpace(value))
+	switch v {
+	case "fts", "legacy":
+		return v
+	default:
+		log.Error("Invalid Search.Backend value, falling back to 'fts'", "value", value)
+		return "fts"
+	}
+}
+
 // AddHook is used to register initialization code that should run as soon as the config is loaded
 func AddHook(hook func()) {
 	hooks = append(hooks, hook)
@@ -585,7 +635,8 @@ func setViperDefaults() {
 	viper.SetDefault("enablemediafilecoverart", true)
 	viper.SetDefault("autotranscodedownload", false)
 	viper.SetDefault("defaultdownsamplingformat", consts.DefaultDownsamplingFormat)
-	viper.SetDefault("searchfullstring", false)
+	viper.SetDefault("search.fullstring", false)
+	viper.SetDefault("search.backend", "fts")
 	viper.SetDefault("similarsongsmatchthreshold", 85)
 	viper.SetDefault("recentlyaddedbymodtime", false)
 	viper.SetDefault("prefersorttags", false)
@@ -604,6 +655,7 @@ func setViperDefaults() {
 	viper.SetDefault("defaulttheme", "Dark")
 	viper.SetDefault("defaultlanguage", "")
 	viper.SetDefault("defaultuivolume", consts.DefaultUIVolume)
+	viper.SetDefault("uisearchdebouncems", consts.DefaultUISearchDebounceMs)
 	viper.SetDefault("enablereplaygain", true)
 	viper.SetDefault("enablecoveranimation", true)
 	viper.SetDefault("enablenowplaying", true)
@@ -619,6 +671,7 @@ func setViperDefaults() {
 	viper.SetDefault("passwordencryptionkey", "")
 	viper.SetDefault("extauth.userheader", "Remote-User")
 	viper.SetDefault("extauth.trustedsources", "")
+	viper.SetDefault("extauth.logouturl", "")
 	viper.SetDefault("prometheus.enabled", false)
 	viper.SetDefault("prometheus.metricspath", consts.PrometheusDefaultPath)
 	viper.SetDefault("prometheus.password", "")
@@ -637,6 +690,7 @@ func setViperDefaults() {
 	viper.SetDefault("scanner.followsymlinks", true)
 	viper.SetDefault("scanner.purgemissing", consts.PurgeMissingNever)
 	viper.SetDefault("subsonic.appendsubtitle", true)
+	viper.SetDefault("subsonic.appendalbumversion", true)
 	viper.SetDefault("subsonic.artistparticipations", false)
 	viper.SetDefault("subsonic.defaultreportrealpath", false)
 	viper.SetDefault("subsonic.enableaveragerating", true)

conf/configuration_test.go

@@ -52,6 +52,62 @@ var _ = Describe("Configuration", func() {
 		})
 	})
 
+	Describe("ValidateURL", func() {
+		It("accepts a valid http URL", func() {
+			fn := conf.ValidateURL("TestOption", "http://example.com/path")
+			Expect(fn()).To(Succeed())
+		})
+
+		It("accepts a valid https URL", func() {
+			fn := conf.ValidateURL("TestOption", "https://example.com/path")
+			Expect(fn()).To(Succeed())
+		})
+
+		It("rejects a URL with no scheme", func() {
+			fn := conf.ValidateURL("TestOption", "example.com/path")
+			Expect(fn()).To(MatchError(ContainSubstring("invalid scheme")))
+		})
+
+		It("rejects a URL with an unsupported scheme", func() {
+			fn := conf.ValidateURL("TestOption", "javascript://example.com/path")
+			Expect(fn()).To(MatchError(ContainSubstring("invalid scheme")))
+		})
+
+		It("accepts an empty URL (optional config)", func() {
+			fn := conf.ValidateURL("TestOption", "")
+			Expect(fn()).To(Succeed())
+		})
+
+		It("includes the option name in the error message", func() {
+			fn := conf.ValidateURL("MyOption", "ftp://example.com")
+			Expect(fn()).To(MatchError(ContainSubstring("MyOption")))
+		})
+
+		It("rejects a URL that cannot be parsed", func() {
+			fn := conf.ValidateURL("TestOption", "://invalid")
+			Expect(fn()).To(HaveOccurred())
+		})
+
+		It("rejects a URL without a host", func() {
+			fn := conf.ValidateURL("TestOption", "http:///path")
+			Expect(fn()).To(MatchError(ContainSubstring("non-empty host is required")))
+		})
+	})
+
+	DescribeTable("NormalizeSearchBackend",
+		func(input, expected string) {
+			Expect(conf.NormalizeSearchBackend(input)).To(Equal(expected))
+		},
+		Entry("accepts 'fts'", "fts", "fts"),
+		Entry("accepts 'legacy'", "legacy", "legacy"),
+		Entry("normalizes 'FTS' to lowercase", "FTS", "fts"),
+		Entry("normalizes 'Legacy' to lowercase", "Legacy", "legacy"),
+		Entry("trims whitespace", "  fts  ", "fts"),
+		Entry("falls back to 'fts' for 'fts5'", "fts5", "fts"),
+		Entry("falls back to 'fts' for unrecognized values", "invalid", "fts"),
+		Entry("falls back to 'fts' for empty string", "", "fts"),
+	)
+
 	DescribeTable("should load configuration from",
 		func(format string) {
 			filename := filepath.Join("testdata", "cfg."+format)

conf/export_test.go

@@ -7,3 +7,7 @@ func ResetConf() {
 var SetViperDefaults = setViperDefaults
 
 var ParseLanguages = parseLanguages
+
+var ValidateURL = validateURL
+
+var NormalizeSearchBackend = normalizeSearchBackend

consts/consts.go

@@ -71,6 +71,7 @@ const (
 	PlaceholderAvatar         = "logo-192x192.png"
 	UICoverArtSize            = 300
 	DefaultUIVolume           = 100
+	DefaultUISearchDebounceMs = 200
 
 	DefaultHttpClientTimeOut = 10 * time.Second
 

core/metrics/insights.go

@@ -208,7 +208,8 @@ var staticData = sync.OnceValue(func() insights.Data {
 	data.Config.TranscodingCacheSize = conf.Server.TranscodingCacheSize
 	data.Config.ImageCacheSize = conf.Server.ImageCacheSize
 	data.Config.SessionTimeout = uint64(math.Trunc(conf.Server.SessionTimeout.Seconds()))
-	data.Config.SearchFullString = conf.Server.SearchFullString
+	data.Config.SearchFullString = conf.Server.Search.FullString
+	data.Config.SearchBackend = conf.Server.Search.Backend
 	data.Config.RecentlyAddedByModTime = conf.Server.RecentlyAddedByModTime
 	data.Config.PreferSortTags = conf.Server.PreferSortTags
 	data.Config.BackupSchedule = conf.Server.Backup.Schedule

core/metrics/insights/data.go

@@ -68,6 +68,7 @@ type Data struct {
 		EnableNowPlaying        bool   `json:"enableNowPlaying,omitempty"`
 		SessionTimeout          uint64 `json:"sessionTimeout,omitempty"`
 		SearchFullString        bool   `json:"searchFullString,omitempty"`
+		SearchBackend           string `json:"searchBackend,omitempty"`
 		RecentlyAddedByModTime  bool   `json:"recentlyAddedByModTime,omitempty"`
 		PreferSortTags          bool   `json:"preferSortTags,omitempty"`
 		BackupSchedule          string `json:"backupSchedule,omitempty"`

core/playlists/import.go

@@ -0,0 +1,119 @@
+package playlists
+
+import (
+	"context"
+	"errors"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/request"
+	"github.com/navidrome/navidrome/utils/ioutils"
+	"golang.org/x/text/unicode/norm"
+)
+
+func (s *playlists) ImportFile(ctx context.Context, folder *model.Folder, filename string) (*model.Playlist, error) {
+	pls, err := s.parsePlaylist(ctx, filename, folder)
+	if err != nil {
+		log.Error(ctx, "Error parsing playlist", "path", filepath.Join(folder.AbsolutePath(), filename), err)
+		return nil, err
+	}
+	log.Debug(ctx, "Found playlist", "name", pls.Name, "lastUpdated", pls.UpdatedAt, "path", pls.Path, "numTracks", len(pls.Tracks))
+	err = s.updatePlaylist(ctx, pls)
+	if err != nil {
+		log.Error(ctx, "Error updating playlist", "path", filepath.Join(folder.AbsolutePath(), filename), err)
+	}
+	return pls, err
+}
+
+func (s *playlists) ImportM3U(ctx context.Context, reader io.Reader) (*model.Playlist, error) {
+	owner, _ := request.UserFrom(ctx)
+	pls := &model.Playlist{
+		OwnerID: owner.ID,
+		Public:  false,
+		Sync:    false,
+	}
+	err := s.parseM3U(ctx, pls, nil, reader)
+	if err != nil {
+		log.Error(ctx, "Error parsing playlist", err)
+		return nil, err
+	}
+	err = s.ds.Playlist(ctx).Put(pls)
+	if err != nil {
+		log.Error(ctx, "Error saving playlist", err)
+		return nil, err
+	}
+	return pls, nil
+}
+
+func (s *playlists) parsePlaylist(ctx context.Context, playlistFile string, folder *model.Folder) (*model.Playlist, error) {
+	pls, err := s.newSyncedPlaylist(folder.AbsolutePath(), playlistFile)
+	if err != nil {
+		return nil, err
+	}
+
+	file, err := os.Open(pls.Path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	reader := ioutils.UTF8Reader(file)
+	extension := strings.ToLower(filepath.Ext(playlistFile))
+	switch extension {
+	case ".nsp":
+		err = s.parseNSP(ctx, pls, reader)
+	default:
+		err = s.parseM3U(ctx, pls, folder, reader)
+	}
+	return pls, err
+}
+
+func (s *playlists) updatePlaylist(ctx context.Context, newPls *model.Playlist) error {
+	owner, _ := request.UserFrom(ctx)
+
+	// Try to find existing playlist by path. Since filesystem normalization differs across
+	// platforms (macOS uses NFD, Linux/Windows use NFC), we try both forms to match
+	// playlists that may have been imported on a different platform.
+	pls, err := s.ds.Playlist(ctx).FindByPath(newPls.Path)
+	if errors.Is(err, model.ErrNotFound) {
+		// Try alternate normalization form
+		altPath := norm.NFD.String(newPls.Path)
+		if altPath == newPls.Path {
+			altPath = norm.NFC.String(newPls.Path)
+		}
+		if altPath != newPls.Path {
+			pls, err = s.ds.Playlist(ctx).FindByPath(altPath)
+		}
+	}
+	if err != nil && !errors.Is(err, model.ErrNotFound) {
+		return err
+	}
+	if err == nil && !pls.Sync {
+		log.Debug(ctx, "Playlist already imported and not synced", "playlist", pls.Name, "path", pls.Path)
+		return nil
+	}
+
+	if err == nil {
+		log.Info(ctx, "Updating synced playlist", "playlist", pls.Name, "path", newPls.Path)
+		newPls.ID = pls.ID
+		newPls.Name = pls.Name
+		newPls.Comment = pls.Comment
+		newPls.OwnerID = pls.OwnerID
+		newPls.Public = pls.Public
+		newPls.EvaluatedAt = &time.Time{}
+	} else {
+		log.Info(ctx, "Adding synced playlist", "playlist", newPls.Name, "path", newPls.Path, "owner", owner.UserName)
+		newPls.OwnerID = owner.ID
+		// For NSP files, Public may already be set from the file; for M3U, use server default
+		if !newPls.IsSmartPlaylist() {
+			newPls.Public = conf.Server.DefaultPlaylistPublicVisibility
+		}
+	}
+	return s.ds.Playlist(ctx).Put(newPls)
+}

core/playlists/import_test.go

@@ -1,4 +1,4 @@
-package core_test
+package playlists_test
 
 import (
 	"context"
@@ -9,7 +9,7 @@ import (
 
 	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/conf/configtest"
-	"github.com/navidrome/navidrome/core"
+	"github.com/navidrome/navidrome/core/playlists"
 	"github.com/navidrome/navidrome/model"
 	"github.com/navidrome/navidrome/model/criteria"
 	"github.com/navidrome/navidrome/model/request"
@@ -19,18 +19,18 @@ import (
 	"golang.org/x/text/unicode/norm"
 )
 
-var _ = Describe("Playlists", func() {
+var _ = Describe("Playlists - Import", func() {
 	var ds *tests.MockDataStore
-	var ps core.Playlists
+	var ps playlists.Playlists
-	var mockPlsRepo mockedPlaylistRepo
+	var mockPlsRepo *tests.MockPlaylistRepo
 	var mockLibRepo *tests.MockLibraryRepo
 	ctx := context.Background()
 
 	BeforeEach(func() {
-		mockPlsRepo = mockedPlaylistRepo{}
+		mockPlsRepo = tests.CreateMockPlaylistRepo()
 		mockLibRepo = &tests.MockLibraryRepo{}
 		ds = &tests.MockDataStore{
-			MockedPlaylist: &mockPlsRepo,
+			MockedPlaylist: mockPlsRepo,
 			MockedLibrary:  mockLibRepo,
 		}
 		ctx = request.WithUser(ctx, model.User{ID: "123"})
@@ -39,7 +39,7 @@ var _ = Describe("Playlists", func() {
 	Describe("ImportFile", func() {
 		var folder *model.Folder
 		BeforeEach(func() {
-			ps = core.NewPlaylists(ds)
+			ps = playlists.NewPlaylists(ds)
 			ds.MockedMediaFile = &mockedMediaFileRepo{}
 			libPath, _ := os.Getwd()
 			// Set up library with the actual library path that matches the folder
@@ -61,7 +61,7 @@ var _ = Describe("Playlists", func() {
 				Expect(pls.Tracks).To(HaveLen(2))
 				Expect(pls.Tracks[0].Path).To(Equal("tests/fixtures/playlists/test.mp3"))
 				Expect(pls.Tracks[1].Path).To(Equal("tests/fixtures/playlists/test.ogg"))
-				Expect(mockPlsRepo.last).To(Equal(pls))
+				Expect(mockPlsRepo.Last).To(Equal(pls))
 			})
 
 			It("parses playlists using LF ending", func() {
@@ -99,7 +99,7 @@ var _ = Describe("Playlists", func() {
 			It("parses well-formed playlists", func() {
 				pls, err := ps.ImportFile(ctx, folder, "recently_played.nsp")
 				Expect(err).ToNot(HaveOccurred())
-				Expect(mockPlsRepo.last).To(Equal(pls))
+				Expect(mockPlsRepo.Last).To(Equal(pls))
 				Expect(pls.OwnerID).To(Equal("123"))
 				Expect(pls.Name).To(Equal("Recently Played"))
 				Expect(pls.Comment).To(Equal("Recently played tracks"))
@@ -149,7 +149,7 @@ var _ = Describe("Playlists", func() {
 				tmpDir := GinkgoT().TempDir()
 				mockLibRepo.SetData([]model.Library{{ID: 1, Path: tmpDir}})
 				ds.MockedMediaFile = &mockedMediaFileFromListRepo{data: []string{}}
-				ps = core.NewPlaylists(ds)
+				ps = playlists.NewPlaylists(ds)
 
 				// Create the playlist file on disk with the filesystem's normalization form
 				plsFile := tmpDir + "/" + filesystemName + ".m3u"
@@ -163,7 +163,7 @@ var _ = Describe("Playlists", func() {
 					Path: storedPath,
 					Sync: true,
 				}
-				mockPlsRepo.data = map[string]*model.Playlist{storedPath: existingPls}
+				mockPlsRepo.PathMap = map[string]*model.Playlist{storedPath: existingPls}
 
 				// Import using the filesystem's normalization form
 				plsFolder := &model.Folder{
@@ -209,7 +209,7 @@ var _ = Describe("Playlists", func() {
 						"def.mp3", // This is playlists/def.mp3 relative to plsDir
 					},
 				}
-				ps = core.NewPlaylists(ds)
+				ps = playlists.NewPlaylists(ds)
 			})
 
 			It("handles relative paths that reference files in other libraries", func() {
@@ -365,7 +365,7 @@ var _ = Describe("Playlists", func() {
 					},
 				}
 				// Recreate playlists service to pick up new mock
-				ps = core.NewPlaylists(ds)
+				ps = playlists.NewPlaylists(ds)
 
 				// Create playlist in music library that references both tracks
 				plsContent := "#PLAYLIST:Same Path Test\nalbum/track.mp3\n../classical/album/track.mp3"
@@ -408,7 +408,7 @@ var _ = Describe("Playlists", func() {
 		BeforeEach(func() {
 			repo = &mockedMediaFileFromListRepo{}
 			ds.MockedMediaFile = repo
-			ps = core.NewPlaylists(ds)
+			ps = playlists.NewPlaylists(ds)
 			mockLibRepo.SetData([]model.Library{{ID: 1, Path: "/music"}, {ID: 2, Path: "/new"}})
 			ctx = request.WithUser(ctx, model.User{ID: "123"})
 		})
@@ -439,7 +439,7 @@ var _ = Describe("Playlists", func() {
 			Expect(pls.Tracks[1].Path).To(Equal("tests/test.ogg"))
 			Expect(pls.Tracks[2].Path).To(Equal("downloads/newfile.flac"))
 			Expect(pls.Tracks[3].Path).To(Equal("tests/01 Invisible (RED) Edit Version.mp3"))
-			Expect(mockPlsRepo.last).To(Equal(pls))
+			Expect(mockPlsRepo.Last).To(Equal(pls))
 		})
 
 		It("sets the playlist name as a timestamp if the #PLAYLIST directive is not present", func() {
@@ -460,7 +460,7 @@ var _ = Describe("Playlists", func() {
 			Expect(pls.Tracks).To(HaveLen(2))
 		})
 
-		It("returns only tracks that exist in the database and in the same other as the m3u", func() {
+		It("returns only tracks that exist in the database and in the same order as the m3u", func() {
 			repo.data = []string{
 				"album1/test1.mp3",
 				"album2/test2.mp3",
@@ -570,7 +570,7 @@ var _ = Describe("Playlists", func() {
 
 	})
 
-	Describe("InPlaylistsPath", func() {
+	Describe("InPath", func() {
 		var folder model.Folder
 
 		BeforeEach(func() {
@@ -584,27 +584,27 @@ var _ = Describe("Playlists", func() {
 
 		It("returns true if PlaylistsPath is empty", func() {
 			conf.Server.PlaylistsPath = ""
-			Expect(core.InPlaylistsPath(folder)).To(BeTrue())
+			Expect(playlists.InPath(folder)).To(BeTrue())
 		})
 
 		It("returns true if PlaylistsPath is any (**/**)", func() {
 			conf.Server.PlaylistsPath = "**/**"
-			Expect(core.InPlaylistsPath(folder)).To(BeTrue())
+			Expect(playlists.InPath(folder)).To(BeTrue())
 		})
 
 		It("returns true if folder is in PlaylistsPath", func() {
 			conf.Server.PlaylistsPath = "other/**:playlists/**"
-			Expect(core.InPlaylistsPath(folder)).To(BeTrue())
+			Expect(playlists.InPath(folder)).To(BeTrue())
 		})
 
 		It("returns false if folder is not in PlaylistsPath", func() {
 			conf.Server.PlaylistsPath = "other"
-			Expect(core.InPlaylistsPath(folder)).To(BeFalse())
+			Expect(playlists.InPath(folder)).To(BeFalse())
 		})
 
 		It("returns true if for a playlist in root of MusicFolder if PlaylistsPath is '.'", func() {
 			conf.Server.PlaylistsPath = "."
-			Expect(core.InPlaylistsPath(folder)).To(BeFalse())
+			Expect(playlists.InPath(folder)).To(BeFalse())
 
 			folder2 := model.Folder{
 				LibraryPath: "/music",
@@ -612,7 +612,7 @@ var _ = Describe("Playlists", func() {
 				Name:        ".",
 			}
 
-			Expect(core.InPlaylistsPath(folder2)).To(BeTrue())
+			Expect(playlists.InPath(folder2)).To(BeTrue())
 		})
 	})
 })
@@ -693,23 +693,3 @@ func (r *mockedMediaFileFromListRepo) FindByPaths(paths []string) (model.MediaFi
 	}
 	return mfs, nil
 }
-
-type mockedPlaylistRepo struct {
-	last *model.Playlist
-	data map[string]*model.Playlist // keyed by path
-	model.PlaylistRepository
-}
-
-func (r *mockedPlaylistRepo) FindByPath(path string) (*model.Playlist, error) {
-	if r.data != nil {
-		if pls, ok := r.data[path]; ok {
-			return pls, nil
-		}
-	}
-	return nil, model.ErrNotFound
-}
-
-func (r *mockedPlaylistRepo) Put(pls *model.Playlist) error {
-	r.last = pls
-	return nil
-}

core/playlists/parse_m3u.go

@@ -1,183 +1,28 @@
-package core
+package playlists
 
 import (
 	"cmp"
 	"context"
-	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"net/url"
-	"os"
 	"path/filepath"
 	"slices"
 	"strings"
 	"time"
 
-	"github.com/RaveNoX/go-jsoncommentstrip"
-	"github.com/bmatcuk/doublestar/v4"
-	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model"
-	"github.com/navidrome/navidrome/model/criteria"
-	"github.com/navidrome/navidrome/model/request"
-	"github.com/navidrome/navidrome/utils/ioutils"
 	"github.com/navidrome/navidrome/utils/slice"
 	"golang.org/x/text/unicode/norm"
 )
 
-type Playlists interface {
-	ImportFile(ctx context.Context, folder *model.Folder, filename string) (*model.Playlist, error)
-	Update(ctx context.Context, playlistID string, name *string, comment *string, public *bool, idsToAdd []string, idxToRemove []int) error
-	ImportM3U(ctx context.Context, reader io.Reader) (*model.Playlist, error)
-}
-
-type playlists struct {
-	ds model.DataStore
-}
-
-func NewPlaylists(ds model.DataStore) Playlists {
-	return &playlists{ds: ds}
-}
-
-func InPlaylistsPath(folder model.Folder) bool {
-	if conf.Server.PlaylistsPath == "" {
-		return true
-	}
-	rel, _ := filepath.Rel(folder.LibraryPath, folder.AbsolutePath())
-	for path := range strings.SplitSeq(conf.Server.PlaylistsPath, string(filepath.ListSeparator)) {
-		if match, _ := doublestar.Match(path, rel); match {
-			return true
-		}
-	}
-	return false
-}
-
-func (s *playlists) ImportFile(ctx context.Context, folder *model.Folder, filename string) (*model.Playlist, error) {
-	pls, err := s.parsePlaylist(ctx, filename, folder)
-	if err != nil {
-		log.Error(ctx, "Error parsing playlist", "path", filepath.Join(folder.AbsolutePath(), filename), err)
-		return nil, err
-	}
-	log.Debug("Found playlist", "name", pls.Name, "lastUpdated", pls.UpdatedAt, "path", pls.Path, "numTracks", len(pls.Tracks))
-	err = s.updatePlaylist(ctx, pls)
-	if err != nil {
-		log.Error(ctx, "Error updating playlist", "path", filepath.Join(folder.AbsolutePath(), filename), err)
-	}
-	return pls, err
-}
-
-func (s *playlists) ImportM3U(ctx context.Context, reader io.Reader) (*model.Playlist, error) {
-	owner, _ := request.UserFrom(ctx)
-	pls := &model.Playlist{
-		OwnerID: owner.ID,
-		Public:  false,
-		Sync:    false,
-	}
-	err := s.parseM3U(ctx, pls, nil, reader)
-	if err != nil {
-		log.Error(ctx, "Error parsing playlist", err)
-		return nil, err
-	}
-	err = s.ds.Playlist(ctx).Put(pls)
-	if err != nil {
-		log.Error(ctx, "Error saving playlist", err)
-		return nil, err
-	}
-	return pls, nil
-}
-
-func (s *playlists) parsePlaylist(ctx context.Context, playlistFile string, folder *model.Folder) (*model.Playlist, error) {
-	pls, err := s.newSyncedPlaylist(folder.AbsolutePath(), playlistFile)
-	if err != nil {
-		return nil, err
-	}
-
-	file, err := os.Open(pls.Path)
-	if err != nil {
-		return nil, err
-	}
-	defer file.Close()
-
-	reader := ioutils.UTF8Reader(file)
-	extension := strings.ToLower(filepath.Ext(playlistFile))
-	switch extension {
-	case ".nsp":
-		err = s.parseNSP(ctx, pls, reader)
-	default:
-		err = s.parseM3U(ctx, pls, folder, reader)
-	}
-	return pls, err
-}
-
-func (s *playlists) newSyncedPlaylist(baseDir string, playlistFile string) (*model.Playlist, error) {
-	playlistPath := filepath.Join(baseDir, playlistFile)
-	info, err := os.Stat(playlistPath)
-	if err != nil {
-		return nil, err
-	}
-
-	var extension = filepath.Ext(playlistFile)
-	var name = playlistFile[0 : len(playlistFile)-len(extension)]
-
-	pls := &model.Playlist{
-		Name:      name,
-		Comment:   fmt.Sprintf("Auto-imported from '%s'", playlistFile),
-		Public:    false,
-		Path:      playlistPath,
-		Sync:      true,
-		UpdatedAt: info.ModTime(),
-	}
-	return pls, nil
-}
-
-func getPositionFromOffset(data []byte, offset int64) (line, column int) {
-	line = 1
-	for _, b := range data[:offset] {
-		if b == '\n' {
-			line++
-			column = 1
-		} else {
-			column++
-		}
-	}
-	return
-}
-
-func (s *playlists) parseNSP(_ context.Context, pls *model.Playlist, reader io.Reader) error {
-	nsp := &nspFile{}
-	reader = io.LimitReader(reader, 100*1024) // Limit to 100KB
-	reader = jsoncommentstrip.NewReader(reader)
-	input, err := io.ReadAll(reader)
-	if err != nil {
-		return fmt.Errorf("reading SmartPlaylist: %w", err)
-	}
-	err = json.Unmarshal(input, nsp)
-	if err != nil {
-		var syntaxErr *json.SyntaxError
-		if errors.As(err, &syntaxErr) {
-			line, col := getPositionFromOffset(input, syntaxErr.Offset)
-			return fmt.Errorf("JSON syntax error in SmartPlaylist at line %d, column %d: %w", line, col, err)
-		}
-		return fmt.Errorf("JSON parsing error in SmartPlaylist: %w", err)
-	}
-	pls.Rules = &nsp.Criteria
-	if nsp.Name != "" {
-		pls.Name = nsp.Name
-	}
-	if nsp.Comment != "" {
-		pls.Comment = nsp.Comment
-	}
-	if nsp.Public != nil {
-		pls.Public = *nsp.Public
-	} else {
-		pls.Public = conf.Server.DefaultPlaylistPublicVisibility
-	}
-	return nil
-}
-
 func (s *playlists) parseM3U(ctx context.Context, pls *model.Playlist, folder *model.Folder, reader io.Reader) error {
 	mediaFileRepository := s.ds.MediaFile(ctx)
+	resolver, err := newPathResolver(ctx, s.ds)
+	if err != nil {
+		return err
+	}
 	var mfs model.MediaFiles
 	// Chunk size of 100 lines, as each line can generate up to 4 lookup candidates
 	// (NFC/NFD × raw/lowercase), and SQLite has a max expression tree depth of 1000.
@@ -202,7 +47,7 @@ func (s *playlists) parseM3U(ctx context.Context, pls *model.Playlist, folder *m
 			}
 			filteredLines = append(filteredLines, line)
 		}
-		resolvedPaths, err := s.resolvePaths(ctx, folder, filteredLines)
+		resolvedPaths, err := resolver.resolvePaths(ctx, folder, filteredLines)
 		if err != nil {
 			log.Warn(ctx, "Error resolving paths in playlist", "playlist", pls.Name, err)
 			continue
@@ -258,7 +103,9 @@ func (s *playlists) parseM3U(ctx context.Context, pls *model.Playlist, folder *m
 			existing[key] = idx
 		}
 
-		// Find media files in the order of the resolved paths, to keep playlist order
+		// Find media files in the order of the resolved paths, to keep playlist order.
+		// Both `existing` keys and `resolvedPaths` use the library-qualified format "libraryID:relativePath",
+		// so normalizing the full string produces matching keys (digits and ':' are ASCII-invariant).
 		for _, path := range resolvedPaths {
 			key := strings.ToLower(norm.NFC.String(path))
 			idx, ok := existing[key]
@@ -398,15 +245,10 @@ func (r *pathResolver) findInLibraries(absolutePath string) pathResolution {
 // resolvePaths converts playlist file paths to library-qualified paths (format: "libraryID:relativePath").
 // For relative paths, it resolves them to absolute paths first, then determines which
 // library they belong to. This allows playlists to reference files across library boundaries.
-func (s *playlists) resolvePaths(ctx context.Context, folder *model.Folder, lines []string) ([]string, error) {
+func (r *pathResolver) resolvePaths(ctx context.Context, folder *model.Folder, lines []string) ([]string, error) {
-	resolver, err := newPathResolver(ctx, s.ds)
-	if err != nil {
-		return nil, err
-	}
-
 	results := make([]string, 0, len(lines))
 	for idx, line := range lines {
-		resolution := resolver.resolvePath(line, folder)
+		resolution := r.resolvePath(line, folder)
 
 		if !resolution.valid {
 			log.Warn(ctx, "Path in playlist not found in any library", "path", line, "line", idx)
@@ -425,123 +267,3 @@ func (s *playlists) resolvePaths(ctx context.Context, folder *model.Folder, line
 
 	return results, nil
 }
-
-func (s *playlists) updatePlaylist(ctx context.Context, newPls *model.Playlist) error {
-	owner, _ := request.UserFrom(ctx)
-
-	// Try to find existing playlist by path. Since filesystem normalization differs across
-	// platforms (macOS uses NFD, Linux/Windows use NFC), we try both forms to match
-	// playlists that may have been imported on a different platform.
-	pls, err := s.ds.Playlist(ctx).FindByPath(newPls.Path)
-	if errors.Is(err, model.ErrNotFound) {
-		// Try alternate normalization form
-		altPath := norm.NFD.String(newPls.Path)
-		if altPath == newPls.Path {
-			altPath = norm.NFC.String(newPls.Path)
-		}
-		if altPath != newPls.Path {
-			pls, err = s.ds.Playlist(ctx).FindByPath(altPath)
-		}
-	}
-	if err != nil && !errors.Is(err, model.ErrNotFound) {
-		return err
-	}
-	if err == nil && !pls.Sync {
-		log.Debug(ctx, "Playlist already imported and not synced", "playlist", pls.Name, "path", pls.Path)
-		return nil
-	}
-
-	if err == nil {
-		log.Info(ctx, "Updating synced playlist", "playlist", pls.Name, "path", newPls.Path)
-		newPls.ID = pls.ID
-		newPls.Name = pls.Name
-		newPls.Comment = pls.Comment
-		newPls.OwnerID = pls.OwnerID
-		newPls.Public = pls.Public
-		newPls.EvaluatedAt = &time.Time{}
-	} else {
-		log.Info(ctx, "Adding synced playlist", "playlist", newPls.Name, "path", newPls.Path, "owner", owner.UserName)
-		newPls.OwnerID = owner.ID
-		// For NSP files, Public may already be set from the file; for M3U, use server default
-		if !newPls.IsSmartPlaylist() {
-			newPls.Public = conf.Server.DefaultPlaylistPublicVisibility
-		}
-	}
-	return s.ds.Playlist(ctx).Put(newPls)
-}
-
-func (s *playlists) Update(ctx context.Context, playlistID string,
-	name *string, comment *string, public *bool,
-	idsToAdd []string, idxToRemove []int) error {
-	needsInfoUpdate := name != nil || comment != nil || public != nil
-	needsTrackRefresh := len(idxToRemove) > 0
-
-	return s.ds.WithTxImmediate(func(tx model.DataStore) error {
-		var pls *model.Playlist
-		var err error
-		repo := tx.Playlist(ctx)
-		tracks := repo.Tracks(playlistID, true)
-		if tracks == nil {
-			return fmt.Errorf("%w: playlist '%s'", model.ErrNotFound, playlistID)
-		}
-		if needsTrackRefresh {
-			pls, err = repo.GetWithTracks(playlistID, true, false)
-			pls.RemoveTracks(idxToRemove)
-			pls.AddMediaFilesByID(idsToAdd)
-		} else {
-			if len(idsToAdd) > 0 {
-				_, err = tracks.Add(idsToAdd)
-				if err != nil {
-					return err
-				}
-			}
-			if needsInfoUpdate {
-				pls, err = repo.Get(playlistID)
-			}
-		}
-		if err != nil {
-			return err
-		}
-		if !needsTrackRefresh && !needsInfoUpdate {
-			return nil
-		}
-
-		if name != nil {
-			pls.Name = *name
-		}
-		if comment != nil {
-			pls.Comment = *comment
-		}
-		if public != nil {
-			pls.Public = *public
-		}
-		// Special case: The playlist is now empty
-		if len(idxToRemove) > 0 && len(pls.Tracks) == 0 {
-			if err = tracks.DeleteAll(); err != nil {
-				return err
-			}
-		}
-		return repo.Put(pls)
-	})
-}
-
-type nspFile struct {
-	criteria.Criteria
-	Name    string `json:"name"`
-	Comment string `json:"comment"`
-	Public  *bool  `json:"public"`
-}
-
-func (i *nspFile) UnmarshalJSON(data []byte) error {
-	m := map[string]any{}
-	err := json.Unmarshal(data, &m)
-	if err != nil {
-		return err
-	}
-	i.Name, _ = m["name"].(string)
-	i.Comment, _ = m["comment"].(string)
-	if public, ok := m["public"].(bool); ok {
-		i.Public = &public
-	}
-	return json.Unmarshal(data, &i.Criteria)
-}

core/playlists/parse_m3u_test.go

@@ -1,4 +1,4 @@
-package core
+package playlists
 
 import (
 	"context"
@@ -214,6 +214,7 @@ var _ = Describe("pathResolver", func() {
 	})
 
 	Describe("resolvePath", func() {
+		Context("basic", func() {
 			It("resolves absolute paths", func() {
 				resolution := resolver.resolvePath("/music/artist/album/track.mp3", nil)
 
@@ -244,8 +245,7 @@ var _ = Describe("pathResolver", func() {
 			})
 		})
 
-	Describe("resolvePath", func() {
+		Context("cross-library", func() {
-		Context("With absolute paths", func() {
 			It("resolves path within a library", func() {
 				resolution := resolver.resolvePath("/music/track.mp3", nil)
 

core/playlists/parse_nsp.go

@@ -0,0 +1,103 @@
+package playlists
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	"github.com/RaveNoX/go-jsoncommentstrip"
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/criteria"
+)
+
+func (s *playlists) newSyncedPlaylist(baseDir string, playlistFile string) (*model.Playlist, error) {
+	playlistPath := filepath.Join(baseDir, playlistFile)
+	info, err := os.Stat(playlistPath)
+	if err != nil {
+		return nil, err
+	}
+
+	var extension = filepath.Ext(playlistFile)
+	var name = playlistFile[0 : len(playlistFile)-len(extension)]
+
+	pls := &model.Playlist{
+		Name:      name,
+		Comment:   fmt.Sprintf("Auto-imported from '%s'", playlistFile),
+		Public:    false,
+		Path:      playlistPath,
+		Sync:      true,
+		UpdatedAt: info.ModTime(),
+	}
+	return pls, nil
+}
+
+func getPositionFromOffset(data []byte, offset int64) (line, column int) {
+	line = 1
+	for _, b := range data[:offset] {
+		if b == '\n' {
+			line++
+			column = 1
+		} else {
+			column++
+		}
+	}
+	return
+}
+
+func (s *playlists) parseNSP(_ context.Context, pls *model.Playlist, reader io.Reader) error {
+	nsp := &nspFile{}
+	reader = io.LimitReader(reader, 100*1024) // Limit to 100KB
+	reader = jsoncommentstrip.NewReader(reader)
+	input, err := io.ReadAll(reader)
+	if err != nil {
+		return fmt.Errorf("reading SmartPlaylist: %w", err)
+	}
+	err = json.Unmarshal(input, nsp)
+	if err != nil {
+		var syntaxErr *json.SyntaxError
+		if errors.As(err, &syntaxErr) {
+			line, col := getPositionFromOffset(input, syntaxErr.Offset)
+			return fmt.Errorf("JSON syntax error in SmartPlaylist at line %d, column %d: %w", line, col, err)
+		}
+		return fmt.Errorf("JSON parsing error in SmartPlaylist: %w", err)
+	}
+	pls.Rules = &nsp.Criteria
+	if nsp.Name != "" {
+		pls.Name = nsp.Name
+	}
+	if nsp.Comment != "" {
+		pls.Comment = nsp.Comment
+	}
+	if nsp.Public != nil {
+		pls.Public = *nsp.Public
+	} else {
+		pls.Public = conf.Server.DefaultPlaylistPublicVisibility
+	}
+	return nil
+}
+
+type nspFile struct {
+	criteria.Criteria
+	Name    string `json:"name"`
+	Comment string `json:"comment"`
+	Public  *bool  `json:"public"`
+}
+
+func (i *nspFile) UnmarshalJSON(data []byte) error {
+	m := map[string]any{}
+	err := json.Unmarshal(data, &m)
+	if err != nil {
+		return err
+	}
+	i.Name, _ = m["name"].(string)
+	i.Comment, _ = m["comment"].(string)
+	if public, ok := m["public"].(bool); ok {
+		i.Public = &public
+	}
+	return json.Unmarshal(data, &i.Criteria)
+}

core/playlists/parse_nsp_test.go

@@ -0,0 +1,213 @@
+package playlists
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/conf/configtest"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/criteria"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("parseNSP", func() {
+	var s *playlists
+	ctx := context.Background()
+
+	BeforeEach(func() {
+		s = &playlists{}
+	})
+
+	It("parses a well-formed NSP with all fields", func() {
+		nsp := `{
+			"name": "My Smart Playlist",
+			"comment": "A test playlist",
+			"public": true,
+			"all": [{"is": {"loved": true}}],
+			"sort": "title",
+			"order": "asc",
+			"limit": 50
+		}`
+		pls := &model.Playlist{Name: "default-name"}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Name).To(Equal("My Smart Playlist"))
+		Expect(pls.Comment).To(Equal("A test playlist"))
+		Expect(pls.Public).To(BeTrue())
+		Expect(pls.Rules).ToNot(BeNil())
+		Expect(pls.Rules.Sort).To(Equal("title"))
+		Expect(pls.Rules.Order).To(Equal("asc"))
+		Expect(pls.Rules.Limit).To(Equal(50))
+		Expect(pls.Rules.Expression).To(BeAssignableToTypeOf(criteria.All{}))
+	})
+
+	It("keeps existing name when NSP has no name field", func() {
+		nsp := `{"all": [{"is": {"loved": true}}]}`
+		pls := &model.Playlist{Name: "Original Name"}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Name).To(Equal("Original Name"))
+	})
+
+	It("keeps existing comment when NSP has no comment field", func() {
+		nsp := `{"all": [{"is": {"loved": true}}]}`
+		pls := &model.Playlist{Comment: "Original Comment"}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Comment).To(Equal("Original Comment"))
+	})
+
+	It("strips JSON comments before parsing", func() {
+		nsp := `{
+			// Line comment
+			"name": "Commented Playlist",
+			/* Block comment */
+			"all": [{"is": {"loved": true}}]
+		}`
+		pls := &model.Playlist{}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Name).To(Equal("Commented Playlist"))
+	})
+
+	It("uses server default when public field is absent", func() {
+		DeferCleanup(configtest.SetupConfig())
+		conf.Server.DefaultPlaylistPublicVisibility = true
+
+		nsp := `{"all": [{"is": {"loved": true}}]}`
+		pls := &model.Playlist{}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Public).To(BeTrue())
+	})
+
+	It("honors explicit public: false over server default", func() {
+		DeferCleanup(configtest.SetupConfig())
+		conf.Server.DefaultPlaylistPublicVisibility = true
+
+		nsp := `{"public": false, "all": [{"is": {"loved": true}}]}`
+		pls := &model.Playlist{}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Public).To(BeFalse())
+	})
+
+	It("returns a syntax error with line and column info", func() {
+		nsp := "{\n  \"name\": \"Bad\",\n  \"all\": [INVALID]\n}"
+		pls := &model.Playlist{}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).To(HaveOccurred())
+		Expect(err.Error()).To(ContainSubstring("JSON syntax error in SmartPlaylist"))
+		Expect(err.Error()).To(MatchRegexp(`line \d+, column \d+`))
+	})
+
+	It("returns a parsing error for completely invalid JSON", func() {
+		nsp := `not json at all`
+		pls := &model.Playlist{}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).To(HaveOccurred())
+		Expect(err.Error()).To(ContainSubstring("SmartPlaylist"))
+	})
+
+	It("gracefully handles non-string name field", func() {
+		nsp := `{"name": 123, "all": [{"is": {"loved": true}}]}`
+		pls := &model.Playlist{Name: "Original"}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).ToNot(HaveOccurred())
+		// Type assertion in UnmarshalJSON fails silently; name stays as original
+		Expect(pls.Name).To(Equal("Original"))
+	})
+
+	It("parses criteria with multiple rules", func() {
+		nsp := `{
+			"all": [
+				{"is": {"loved": true}},
+				{"contains": {"title": "rock"}}
+			],
+			"sort": "lastPlayed",
+			"order": "desc",
+			"limit": 100
+		}`
+		pls := &model.Playlist{}
+		err := s.parseNSP(ctx, pls, strings.NewReader(nsp))
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Rules).ToNot(BeNil())
+		Expect(pls.Rules.Sort).To(Equal("lastPlayed"))
+		Expect(pls.Rules.Order).To(Equal("desc"))
+		Expect(pls.Rules.Limit).To(Equal(100))
+	})
+})
+
+var _ = Describe("getPositionFromOffset", func() {
+	It("returns correct position on first line", func() {
+		data := []byte("hello world")
+		line, col := getPositionFromOffset(data, 5)
+		Expect(line).To(Equal(1))
+		Expect(col).To(Equal(5))
+	})
+
+	It("returns correct position after newlines", func() {
+		data := []byte("line1\nline2\nline3")
+		// Offsets: l(0) i(1) n(2) e(3) 1(4) \n(5) l(6) i(7) n(8)
+		line, col := getPositionFromOffset(data, 8)
+		Expect(line).To(Equal(2))
+		Expect(col).To(Equal(3))
+	})
+
+	It("returns correct position at start of new line", func() {
+		data := []byte("line1\nline2")
+		// After \n at offset 5, col resets to 1; offset 6 is 'l' -> col=1
+		line, col := getPositionFromOffset(data, 6)
+		Expect(line).To(Equal(2))
+		Expect(col).To(Equal(1))
+	})
+
+	It("handles multiple newlines", func() {
+		data := []byte("a\nb\nc\nd")
+		// a(0) \n(1) b(2) \n(3) c(4) \n(5) d(6)
+		line, col := getPositionFromOffset(data, 6)
+		Expect(line).To(Equal(4))
+		Expect(col).To(Equal(1))
+	})
+})
+
+var _ = Describe("newSyncedPlaylist", func() {
+	var s *playlists
+
+	BeforeEach(func() {
+		s = &playlists{}
+	})
+
+	It("creates a synced playlist with correct attributes", func() {
+		tmpDir := GinkgoT().TempDir()
+		Expect(os.WriteFile(filepath.Join(tmpDir, "test.m3u"), []byte("content"), 0600)).To(Succeed())
+
+		pls, err := s.newSyncedPlaylist(tmpDir, "test.m3u")
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Name).To(Equal("test"))
+		Expect(pls.Comment).To(Equal("Auto-imported from 'test.m3u'"))
+		Expect(pls.Public).To(BeFalse())
+		Expect(pls.Path).To(Equal(filepath.Join(tmpDir, "test.m3u")))
+		Expect(pls.Sync).To(BeTrue())
+		Expect(pls.UpdatedAt).ToNot(BeZero())
+	})
+
+	It("strips extension from filename to derive name", func() {
+		tmpDir := GinkgoT().TempDir()
+		Expect(os.WriteFile(filepath.Join(tmpDir, "My Favorites.nsp"), []byte("{}"), 0600)).To(Succeed())
+
+		pls, err := s.newSyncedPlaylist(tmpDir, "My Favorites.nsp")
+		Expect(err).ToNot(HaveOccurred())
+		Expect(pls.Name).To(Equal("My Favorites"))
+	})
+
+	It("returns error for non-existent file", func() {
+		tmpDir := GinkgoT().TempDir()
+		_, err := s.newSyncedPlaylist(tmpDir, "nonexistent.m3u")
+		Expect(err).To(HaveOccurred())
+	})
+})

core/playlists/playlists.go

@@ -0,0 +1,265 @@
+package playlists
+
+import (
+	"context"
+	"io"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"github.com/bmatcuk/doublestar/v4"
+	"github.com/deluan/rest"
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/request"
+)
+
+type Playlists interface {
+	// Reads
+	GetAll(ctx context.Context, options ...model.QueryOptions) (model.Playlists, error)
+	Get(ctx context.Context, id string) (*model.Playlist, error)
+	GetWithTracks(ctx context.Context, id string) (*model.Playlist, error)
+	GetPlaylists(ctx context.Context, mediaFileId string) (model.Playlists, error)
+
+	// Mutations
+	Create(ctx context.Context, playlistId string, name string, ids []string) (string, error)
+	Delete(ctx context.Context, id string) error
+	Update(ctx context.Context, playlistID string, name *string, comment *string, public *bool, idsToAdd []string, idxToRemove []int) error
+
+	// Track management
+	AddTracks(ctx context.Context, playlistID string, ids []string) (int, error)
+	AddAlbums(ctx context.Context, playlistID string, albumIds []string) (int, error)
+	AddArtists(ctx context.Context, playlistID string, artistIds []string) (int, error)
+	AddDiscs(ctx context.Context, playlistID string, discs []model.DiscID) (int, error)
+	RemoveTracks(ctx context.Context, playlistID string, trackIds []string) error
+	ReorderTrack(ctx context.Context, playlistID string, pos int, newPos int) error
+
+	// Import
+	ImportFile(ctx context.Context, folder *model.Folder, filename string) (*model.Playlist, error)
+	ImportM3U(ctx context.Context, reader io.Reader) (*model.Playlist, error)
+
+	// REST adapters (follows Share/Library pattern)
+	NewRepository(ctx context.Context) rest.Repository
+	TracksRepository(ctx context.Context, playlistId string, refreshSmartPlaylist bool) rest.Repository
+}
+
+type playlists struct {
+	ds model.DataStore
+}
+
+func NewPlaylists(ds model.DataStore) Playlists {
+	return &playlists{ds: ds}
+}
+
+func InPath(folder model.Folder) bool {
+	if conf.Server.PlaylistsPath == "" {
+		return true
+	}
+	rel, _ := filepath.Rel(folder.LibraryPath, folder.AbsolutePath())
+	for path := range strings.SplitSeq(conf.Server.PlaylistsPath, string(filepath.ListSeparator)) {
+		if match, _ := doublestar.Match(path, rel); match {
+			return true
+		}
+	}
+	return false
+}
+
+// --- Read operations ---
+
+func (s *playlists) GetAll(ctx context.Context, options ...model.QueryOptions) (model.Playlists, error) {
+	return s.ds.Playlist(ctx).GetAll(options...)
+}
+
+func (s *playlists) Get(ctx context.Context, id string) (*model.Playlist, error) {
+	return s.ds.Playlist(ctx).Get(id)
+}
+
+func (s *playlists) GetWithTracks(ctx context.Context, id string) (*model.Playlist, error) {
+	return s.ds.Playlist(ctx).GetWithTracks(id, true, false)
+}
+
+func (s *playlists) GetPlaylists(ctx context.Context, mediaFileId string) (model.Playlists, error) {
+	return s.ds.Playlist(ctx).GetPlaylists(mediaFileId)
+}
+
+// --- Mutation operations ---
+
+// Create creates a new playlist (when name is provided) or replaces tracks on an existing
+// playlist (when playlistId is provided). This matches the Subsonic createPlaylist semantics.
+func (s *playlists) Create(ctx context.Context, playlistId string, name string, ids []string) (string, error) {
+	usr, _ := request.UserFrom(ctx)
+	err := s.ds.WithTxImmediate(func(tx model.DataStore) error {
+		var pls *model.Playlist
+		var err error
+
+		if playlistId != "" {
+			pls, err = tx.Playlist(ctx).Get(playlistId)
+			if err != nil {
+				return err
+			}
+			if pls.IsSmartPlaylist() {
+				return model.ErrNotAuthorized
+			}
+			if !usr.IsAdmin && pls.OwnerID != usr.ID {
+				return model.ErrNotAuthorized
+			}
+		} else {
+			pls = &model.Playlist{Name: name}
+			pls.OwnerID = usr.ID
+		}
+		pls.Tracks = nil
+		pls.AddMediaFilesByID(ids)
+
+		err = tx.Playlist(ctx).Put(pls)
+		playlistId = pls.ID
+		return err
+	})
+	return playlistId, err
+}
+
+func (s *playlists) Delete(ctx context.Context, id string) error {
+	if _, err := s.checkWritable(ctx, id); err != nil {
+		return err
+	}
+	return s.ds.Playlist(ctx).Delete(id)
+}
+
+func (s *playlists) Update(ctx context.Context, playlistID string,
+	name *string, comment *string, public *bool,
+	idsToAdd []string, idxToRemove []int) error {
+	var pls *model.Playlist
+	var err error
+	hasTrackChanges := len(idsToAdd) > 0 || len(idxToRemove) > 0
+	if hasTrackChanges {
+		pls, err = s.checkTracksEditable(ctx, playlistID)
+	} else {
+		pls, err = s.checkWritable(ctx, playlistID)
+	}
+	if err != nil {
+		return err
+	}
+	return s.ds.WithTxImmediate(func(tx model.DataStore) error {
+		repo := tx.Playlist(ctx)
+
+		if len(idxToRemove) > 0 {
+			tracksRepo := repo.Tracks(playlistID, false)
+			// Convert 0-based indices to 1-based position IDs and delete them directly,
+			// avoiding the need to load all tracks into memory.
+			positions := make([]string, len(idxToRemove))
+			for i, idx := range idxToRemove {
+				positions[i] = strconv.Itoa(idx + 1)
+			}
+			if err := tracksRepo.Delete(positions...); err != nil {
+				return err
+			}
+			if len(idsToAdd) > 0 {
+				if _, err := tracksRepo.Add(idsToAdd); err != nil {
+					return err
+				}
+			}
+			return s.updateMetadata(ctx, tx, pls, name, comment, public)
+		}
+
+		if len(idsToAdd) > 0 {
+			if _, err := repo.Tracks(playlistID, false).Add(idsToAdd); err != nil {
+				return err
+			}
+		}
+		if name == nil && comment == nil && public == nil {
+			return nil
+		}
+		// Reuse the playlist from checkWritable (no tracks loaded, so Put only refreshes counters)
+		return s.updateMetadata(ctx, tx, pls, name, comment, public)
+	})
+}
+
+// --- Permission helpers ---
+
+// checkWritable fetches the playlist and verifies the current user can modify it.
+func (s *playlists) checkWritable(ctx context.Context, id string) (*model.Playlist, error) {
+	pls, err := s.ds.Playlist(ctx).Get(id)
+	if err != nil {
+		return nil, err
+	}
+	usr, _ := request.UserFrom(ctx)
+	if !usr.IsAdmin && pls.OwnerID != usr.ID {
+		return nil, model.ErrNotAuthorized
+	}
+	return pls, nil
+}
+
+// checkTracksEditable verifies the user can modify tracks (ownership + not smart playlist).
+func (s *playlists) checkTracksEditable(ctx context.Context, playlistID string) (*model.Playlist, error) {
+	pls, err := s.checkWritable(ctx, playlistID)
+	if err != nil {
+		return nil, err
+	}
+	if pls.IsSmartPlaylist() {
+		return nil, model.ErrNotAuthorized
+	}
+	return pls, nil
+}
+
+// updateMetadata applies optional metadata changes to a playlist and persists it.
+// Accepts a DataStore parameter so it can be used inside transactions.
+// The caller is responsible for permission checks.
+func (s *playlists) updateMetadata(ctx context.Context, ds model.DataStore, pls *model.Playlist, name *string, comment *string, public *bool) error {
+	if name != nil {
+		pls.Name = *name
+	}
+	if comment != nil {
+		pls.Comment = *comment
+	}
+	if public != nil {
+		pls.Public = *public
+	}
+	return ds.Playlist(ctx).Put(pls)
+}
+
+// --- Track management operations ---
+
+func (s *playlists) AddTracks(ctx context.Context, playlistID string, ids []string) (int, error) {
+	if _, err := s.checkTracksEditable(ctx, playlistID); err != nil {
+		return 0, err
+	}
+	return s.ds.Playlist(ctx).Tracks(playlistID, false).Add(ids)
+}
+
+func (s *playlists) AddAlbums(ctx context.Context, playlistID string, albumIds []string) (int, error) {
+	if _, err := s.checkTracksEditable(ctx, playlistID); err != nil {
+		return 0, err
+	}
+	return s.ds.Playlist(ctx).Tracks(playlistID, false).AddAlbums(albumIds)
+}
+
+func (s *playlists) AddArtists(ctx context.Context, playlistID string, artistIds []string) (int, error) {
+	if _, err := s.checkTracksEditable(ctx, playlistID); err != nil {
+		return 0, err
+	}
+	return s.ds.Playlist(ctx).Tracks(playlistID, false).AddArtists(artistIds)
+}
+
+func (s *playlists) AddDiscs(ctx context.Context, playlistID string, discs []model.DiscID) (int, error) {
+	if _, err := s.checkTracksEditable(ctx, playlistID); err != nil {
+		return 0, err
+	}
+	return s.ds.Playlist(ctx).Tracks(playlistID, false).AddDiscs(discs)
+}
+
+func (s *playlists) RemoveTracks(ctx context.Context, playlistID string, trackIds []string) error {
+	if _, err := s.checkTracksEditable(ctx, playlistID); err != nil {
+		return err
+	}
+	return s.ds.WithTx(func(tx model.DataStore) error {
+		return tx.Playlist(ctx).Tracks(playlistID, false).Delete(trackIds...)
+	})
+}
+
+func (s *playlists) ReorderTrack(ctx context.Context, playlistID string, pos int, newPos int) error {
+	if _, err := s.checkTracksEditable(ctx, playlistID); err != nil {
+		return err
+	}
+	return s.ds.WithTx(func(tx model.DataStore) error {
+		return tx.Playlist(ctx).Tracks(playlistID, false).Reorder(pos, newPos)
+	})
+}

core/playlists/playlists_suite_test.go

@@ -0,0 +1,17 @@
+package playlists_test
+
+import (
+	"testing"
+
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/tests"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+func TestPlaylists(t *testing.T) {
+	tests.Init(t, false)
+	log.SetLevel(log.LevelFatal)
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Playlists Suite")
+}

core/playlists/playlists_test.go

@@ -0,0 +1,297 @@
+package playlists_test
+
+import (
+	"context"
+
+	"github.com/navidrome/navidrome/core/playlists"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/criteria"
+	"github.com/navidrome/navidrome/model/request"
+	"github.com/navidrome/navidrome/tests"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Playlists", func() {
+	var ds *tests.MockDataStore
+	var ps playlists.Playlists
+	var mockPlsRepo *tests.MockPlaylistRepo
+	ctx := context.Background()
+
+	BeforeEach(func() {
+		mockPlsRepo = tests.CreateMockPlaylistRepo()
+		ds = &tests.MockDataStore{
+			MockedPlaylist: mockPlsRepo,
+			MockedLibrary:  &tests.MockLibraryRepo{},
+		}
+		ctx = request.WithUser(ctx, model.User{ID: "123"})
+	})
+
+	Describe("Delete", func() {
+		var mockTracks *tests.MockPlaylistTrackRepo
+
+		BeforeEach(func() {
+			mockTracks = &tests.MockPlaylistTrackRepo{AddCount: 3}
+			mockPlsRepo.Data = map[string]*model.Playlist{
+				"pls-1": {ID: "pls-1", Name: "My Playlist", OwnerID: "user-1"},
+			}
+			mockPlsRepo.TracksRepo = mockTracks
+			ps = playlists.NewPlaylists(ds)
+		})
+
+		It("allows owner to delete their playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			err := ps.Delete(ctx, "pls-1")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(mockPlsRepo.Deleted).To(ContainElement("pls-1"))
+		})
+
+		It("allows admin to delete any playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "admin-1", IsAdmin: true})
+			err := ps.Delete(ctx, "pls-1")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(mockPlsRepo.Deleted).To(ContainElement("pls-1"))
+		})
+
+		It("denies non-owner, non-admin from deleting", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "other-user", IsAdmin: false})
+			err := ps.Delete(ctx, "pls-1")
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+			Expect(mockPlsRepo.Deleted).To(BeEmpty())
+		})
+
+		It("returns error when playlist not found", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			err := ps.Delete(ctx, "nonexistent")
+			Expect(err).To(Equal(model.ErrNotFound))
+		})
+	})
+
+	Describe("Create", func() {
+		BeforeEach(func() {
+			mockPlsRepo.Data = map[string]*model.Playlist{
+				"pls-1": {ID: "pls-1", Name: "Existing", OwnerID: "user-1"},
+				"pls-2": {ID: "pls-2", Name: "Other's", OwnerID: "other-user"},
+				"pls-smart": {ID: "pls-smart", Name: "Smart", OwnerID: "user-1",
+					Rules: &criteria.Criteria{Expression: criteria.Contains{"title": "test"}}},
+			}
+			ps = playlists.NewPlaylists(ds)
+		})
+
+		It("creates a new playlist with owner set from context", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			id, err := ps.Create(ctx, "", "New Playlist", []string{"song-1", "song-2"})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(id).ToNot(BeEmpty())
+			Expect(mockPlsRepo.Last.Name).To(Equal("New Playlist"))
+			Expect(mockPlsRepo.Last.OwnerID).To(Equal("user-1"))
+		})
+
+		It("replaces tracks on existing playlist when owner matches", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			id, err := ps.Create(ctx, "pls-1", "", []string{"song-3"})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(id).To(Equal("pls-1"))
+			Expect(mockPlsRepo.Last.Tracks).To(HaveLen(1))
+		})
+
+		It("allows admin to replace tracks on any playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "admin-1", IsAdmin: true})
+			id, err := ps.Create(ctx, "pls-2", "", []string{"song-3"})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(id).To(Equal("pls-2"))
+		})
+
+		It("denies non-owner, non-admin from replacing tracks on existing playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			_, err := ps.Create(ctx, "pls-2", "", []string{"song-3"})
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+
+		It("returns error when existing playlistId not found", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			_, err := ps.Create(ctx, "nonexistent", "", []string{"song-1"})
+			Expect(err).To(Equal(model.ErrNotFound))
+		})
+
+		It("denies replacing tracks on a smart playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			_, err := ps.Create(ctx, "pls-smart", "", []string{"song-1"})
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+	})
+
+	Describe("Update", func() {
+		var mockTracks *tests.MockPlaylistTrackRepo
+
+		BeforeEach(func() {
+			mockTracks = &tests.MockPlaylistTrackRepo{AddCount: 2}
+			mockPlsRepo.Data = map[string]*model.Playlist{
+				"pls-1":     {ID: "pls-1", Name: "My Playlist", OwnerID: "user-1"},
+				"pls-other": {ID: "pls-other", Name: "Other's", OwnerID: "other-user"},
+				"pls-smart": {ID: "pls-smart", Name: "Smart", OwnerID: "user-1",
+					Rules: &criteria.Criteria{Expression: criteria.Contains{"title": "test"}}},
+			}
+			mockPlsRepo.TracksRepo = mockTracks
+			ps = playlists.NewPlaylists(ds)
+		})
+
+		It("allows owner to update their playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			newName := "Updated Name"
+			err := ps.Update(ctx, "pls-1", &newName, nil, nil, nil, nil)
+			Expect(err).ToNot(HaveOccurred())
+		})
+
+		It("allows admin to update any playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "admin-1", IsAdmin: true})
+			newName := "Updated Name"
+			err := ps.Update(ctx, "pls-other", &newName, nil, nil, nil, nil)
+			Expect(err).ToNot(HaveOccurred())
+		})
+
+		It("denies non-owner, non-admin from updating", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "other-user", IsAdmin: false})
+			newName := "Updated Name"
+			err := ps.Update(ctx, "pls-1", &newName, nil, nil, nil, nil)
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+
+		It("returns error when playlist not found", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			newName := "Updated Name"
+			err := ps.Update(ctx, "nonexistent", &newName, nil, nil, nil, nil)
+			Expect(err).To(Equal(model.ErrNotFound))
+		})
+
+		It("denies adding tracks to a smart playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			err := ps.Update(ctx, "pls-smart", nil, nil, nil, []string{"song-1"}, nil)
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+
+		It("denies removing tracks from a smart playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			err := ps.Update(ctx, "pls-smart", nil, nil, nil, nil, []int{0})
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+
+		It("allows metadata updates on a smart playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			newName := "Updated Smart"
+			err := ps.Update(ctx, "pls-smart", &newName, nil, nil, nil, nil)
+			Expect(err).ToNot(HaveOccurred())
+		})
+	})
+
+	Describe("AddTracks", func() {
+		var mockTracks *tests.MockPlaylistTrackRepo
+
+		BeforeEach(func() {
+			mockTracks = &tests.MockPlaylistTrackRepo{AddCount: 2}
+			mockPlsRepo.Data = map[string]*model.Playlist{
+				"pls-1": {ID: "pls-1", Name: "My Playlist", OwnerID: "user-1"},
+				"pls-smart": {ID: "pls-smart", Name: "Smart", OwnerID: "user-1",
+					Rules: &criteria.Criteria{Expression: criteria.Contains{"title": "test"}}},
+				"pls-other": {ID: "pls-other", Name: "Other's", OwnerID: "other-user"},
+			}
+			mockPlsRepo.TracksRepo = mockTracks
+			ps = playlists.NewPlaylists(ds)
+		})
+
+		It("allows owner to add tracks", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			count, err := ps.AddTracks(ctx, "pls-1", []string{"song-1", "song-2"})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(count).To(Equal(2))
+			Expect(mockTracks.AddedIds).To(ConsistOf("song-1", "song-2"))
+		})
+
+		It("allows admin to add tracks to any playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "admin-1", IsAdmin: true})
+			count, err := ps.AddTracks(ctx, "pls-other", []string{"song-1"})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(count).To(Equal(2))
+		})
+
+		It("denies non-owner, non-admin", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "other-user", IsAdmin: false})
+			_, err := ps.AddTracks(ctx, "pls-1", []string{"song-1"})
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+
+		It("denies editing smart playlists", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			_, err := ps.AddTracks(ctx, "pls-smart", []string{"song-1"})
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+
+		It("returns error when playlist not found", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			_, err := ps.AddTracks(ctx, "nonexistent", []string{"song-1"})
+			Expect(err).To(Equal(model.ErrNotFound))
+		})
+	})
+
+	Describe("RemoveTracks", func() {
+		var mockTracks *tests.MockPlaylistTrackRepo
+
+		BeforeEach(func() {
+			mockTracks = &tests.MockPlaylistTrackRepo{}
+			mockPlsRepo.Data = map[string]*model.Playlist{
+				"pls-1": {ID: "pls-1", Name: "My Playlist", OwnerID: "user-1"},
+				"pls-smart": {ID: "pls-smart", Name: "Smart", OwnerID: "user-1",
+					Rules: &criteria.Criteria{Expression: criteria.Contains{"title": "test"}}},
+			}
+			mockPlsRepo.TracksRepo = mockTracks
+			ps = playlists.NewPlaylists(ds)
+		})
+
+		It("allows owner to remove tracks", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			err := ps.RemoveTracks(ctx, "pls-1", []string{"track-1", "track-2"})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(mockTracks.DeletedIds).To(ConsistOf("track-1", "track-2"))
+		})
+
+		It("denies on smart playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			err := ps.RemoveTracks(ctx, "pls-smart", []string{"track-1"})
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+
+		It("denies non-owner", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "other-user", IsAdmin: false})
+			err := ps.RemoveTracks(ctx, "pls-1", []string{"track-1"})
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+	})
+
+	Describe("ReorderTrack", func() {
+		var mockTracks *tests.MockPlaylistTrackRepo
+
+		BeforeEach(func() {
+			mockTracks = &tests.MockPlaylistTrackRepo{}
+			mockPlsRepo.Data = map[string]*model.Playlist{
+				"pls-1": {ID: "pls-1", Name: "My Playlist", OwnerID: "user-1"},
+				"pls-smart": {ID: "pls-smart", Name: "Smart", OwnerID: "user-1",
+					Rules: &criteria.Criteria{Expression: criteria.Contains{"title": "test"}}},
+			}
+			mockPlsRepo.TracksRepo = mockTracks
+			ps = playlists.NewPlaylists(ds)
+		})
+
+		It("allows owner to reorder", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			err := ps.ReorderTrack(ctx, "pls-1", 1, 3)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(mockTracks.Reordered).To(BeTrue())
+		})
+
+		It("denies on smart playlist", func() {
+			ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+			err := ps.ReorderTrack(ctx, "pls-smart", 1, 3)
+			Expect(err).To(MatchError(model.ErrNotAuthorized))
+		})
+	})
+})

core/playlists/rest_adapter.go

@@ -0,0 +1,95 @@
+package playlists
+
+import (
+	"context"
+	"errors"
+
+	"github.com/deluan/rest"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/request"
+)
+
+// --- REST adapter (follows Share/Library pattern) ---
+
+func (s *playlists) NewRepository(ctx context.Context) rest.Repository {
+	return &playlistRepositoryWrapper{
+		ctx:                ctx,
+		PlaylistRepository: s.ds.Playlist(ctx),
+		service:            s,
+	}
+}
+
+// playlistRepositoryWrapper wraps the playlist repository as a thin REST-to-service adapter.
+// It satisfies rest.Repository through the embedded PlaylistRepository (via ResourceRepository),
+// and rest.Persistable by delegating to service methods for all mutations.
+type playlistRepositoryWrapper struct {
+	model.PlaylistRepository
+	ctx     context.Context
+	service *playlists
+}
+
+func (r *playlistRepositoryWrapper) Save(entity any) (string, error) {
+	return r.service.savePlaylist(r.ctx, entity.(*model.Playlist))
+}
+
+func (r *playlistRepositoryWrapper) Update(id string, entity any, cols ...string) error {
+	return r.service.updatePlaylistEntity(r.ctx, id, entity.(*model.Playlist), cols...)
+}
+
+func (r *playlistRepositoryWrapper) Delete(id string) error {
+	err := r.service.Delete(r.ctx, id)
+	switch {
+	case errors.Is(err, model.ErrNotFound):
+		return rest.ErrNotFound
+	case errors.Is(err, model.ErrNotAuthorized):
+		return rest.ErrPermissionDenied
+	default:
+		return err
+	}
+}
+
+func (s *playlists) TracksRepository(ctx context.Context, playlistId string, refreshSmartPlaylist bool) rest.Repository {
+	repo := s.ds.Playlist(ctx)
+	tracks := repo.Tracks(playlistId, refreshSmartPlaylist)
+	if tracks == nil {
+		return nil
+	}
+	return tracks.(rest.Repository)
+}
+
+// savePlaylist creates a new playlist, assigning the owner from context.
+func (s *playlists) savePlaylist(ctx context.Context, pls *model.Playlist) (string, error) {
+	usr, _ := request.UserFrom(ctx)
+	pls.OwnerID = usr.ID
+	pls.ID = "" // Force new creation
+	err := s.ds.Playlist(ctx).Put(pls)
+	if err != nil {
+		return "", err
+	}
+	return pls.ID, nil
+}
+
+// updatePlaylistEntity updates playlist metadata with permission checks.
+// Used by the REST API wrapper.
+func (s *playlists) updatePlaylistEntity(ctx context.Context, id string, entity *model.Playlist, cols ...string) error {
+	current, err := s.checkWritable(ctx, id)
+	if err != nil {
+		switch {
+		case errors.Is(err, model.ErrNotFound):
+			return rest.ErrNotFound
+		case errors.Is(err, model.ErrNotAuthorized):
+			return rest.ErrPermissionDenied
+		default:
+			return err
+		}
+	}
+	usr, _ := request.UserFrom(ctx)
+	if !usr.IsAdmin && entity.OwnerID != "" && entity.OwnerID != current.OwnerID {
+		return rest.ErrPermissionDenied
+	}
+	// Apply ownership change (admin only)
+	if entity.OwnerID != "" {
+		current.OwnerID = entity.OwnerID
+	}
+	return s.updateMetadata(ctx, s.ds, current, &entity.Name, &entity.Comment, &entity.Public)
+}

core/playlists/rest_adapter_test.go

@@ -0,0 +1,120 @@
+package playlists_test
+
+import (
+	"context"
+
+	"github.com/deluan/rest"
+	"github.com/navidrome/navidrome/core/playlists"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/request"
+	"github.com/navidrome/navidrome/tests"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("REST Adapter", func() {
+	var ds *tests.MockDataStore
+	var ps playlists.Playlists
+	var mockPlsRepo *tests.MockPlaylistRepo
+	ctx := context.Background()
+
+	BeforeEach(func() {
+		mockPlsRepo = tests.CreateMockPlaylistRepo()
+		ds = &tests.MockDataStore{
+			MockedPlaylist: mockPlsRepo,
+			MockedLibrary:  &tests.MockLibraryRepo{},
+		}
+		ctx = request.WithUser(ctx, model.User{ID: "123"})
+	})
+
+	Describe("NewRepository", func() {
+		var repo rest.Persistable
+
+		BeforeEach(func() {
+			mockPlsRepo.Data = map[string]*model.Playlist{
+				"pls-1": {ID: "pls-1", Name: "My Playlist", OwnerID: "user-1"},
+			}
+			ps = playlists.NewPlaylists(ds)
+		})
+
+		Describe("Save", func() {
+			It("sets the owner from the context user", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				pls := &model.Playlist{Name: "New Playlist"}
+				id, err := repo.Save(pls)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(id).ToNot(BeEmpty())
+				Expect(pls.OwnerID).To(Equal("user-1"))
+			})
+
+			It("forces a new creation by clearing ID", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				pls := &model.Playlist{ID: "should-be-cleared", Name: "New"}
+				_, err := repo.Save(pls)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(pls.ID).ToNot(Equal("should-be-cleared"))
+			})
+		})
+
+		Describe("Update", func() {
+			It("allows owner to update their playlist", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				pls := &model.Playlist{Name: "Updated"}
+				err := repo.Update("pls-1", pls)
+				Expect(err).ToNot(HaveOccurred())
+			})
+
+			It("allows admin to update any playlist", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "admin-1", IsAdmin: true})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				pls := &model.Playlist{Name: "Updated"}
+				err := repo.Update("pls-1", pls)
+				Expect(err).ToNot(HaveOccurred())
+			})
+
+			It("denies non-owner, non-admin", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "other-user", IsAdmin: false})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				pls := &model.Playlist{Name: "Updated"}
+				err := repo.Update("pls-1", pls)
+				Expect(err).To(Equal(rest.ErrPermissionDenied))
+			})
+
+			It("denies regular user from changing ownership", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				pls := &model.Playlist{Name: "Updated", OwnerID: "other-user"}
+				err := repo.Update("pls-1", pls)
+				Expect(err).To(Equal(rest.ErrPermissionDenied))
+			})
+
+			It("returns rest.ErrNotFound when playlist doesn't exist", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				pls := &model.Playlist{Name: "Updated"}
+				err := repo.Update("nonexistent", pls)
+				Expect(err).To(Equal(rest.ErrNotFound))
+			})
+		})
+
+		Describe("Delete", func() {
+			It("delegates to service Delete with permission checks", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "user-1", IsAdmin: false})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				err := repo.Delete("pls-1")
+				Expect(err).ToNot(HaveOccurred())
+				Expect(mockPlsRepo.Deleted).To(ContainElement("pls-1"))
+			})
+
+			It("denies non-owner", func() {
+				ctx = request.WithUser(ctx, model.User{ID: "other-user", IsAdmin: false})
+				repo = ps.NewRepository(ctx).(rest.Persistable)
+				err := repo.Delete("pls-1")
+				Expect(err).To(Equal(rest.ErrPermissionDenied))
+			})
+		})
+	})
+})

core/wire_providers.go

@@ -7,6 +7,7 @@ import (
 	"github.com/navidrome/navidrome/core/ffmpeg"
 	"github.com/navidrome/navidrome/core/metrics"
 	"github.com/navidrome/navidrome/core/playback"
+	"github.com/navidrome/navidrome/core/playlists"
 	"github.com/navidrome/navidrome/core/scrobbler"
 )
 
@@ -16,7 +17,7 @@ var Set = wire.NewSet(
 	NewArchiver,
 	NewPlayers,
 	NewShare,
-	NewPlaylists,
+	playlists.NewPlaylists,
 	NewLibrary,
 	NewUser,
 	NewMaintenance,

db/migrations/20260220173400_add_fts5_search.go

@@ -0,0 +1,391 @@
+package migrations
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+
+	"github.com/pressly/goose/v3"
+)
+
+func init() {
+	goose.AddMigrationContext(upAddFts5Search, downAddFts5Search)
+}
+
+// stripPunct generates a SQL expression that strips common punctuation from a column or expression.
+// Used during migration to approximate the Go normalizeForFTS function for bulk-populating search_normalized.
+func stripPunct(col string) string {
+	return fmt.Sprintf(
+		`REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(%s, '.', ''), '/', ''), '-', ''), '''', ''), '&', ''), ',', '')`,
+		col,
+	)
+}
+
+func upAddFts5Search(ctx context.Context, tx *sql.Tx) error {
+	notice(tx, "Adding FTS5 full-text search indexes. This may take a moment on large libraries.")
+
+	// Step 1: Add search_participants and search_normalized columns to media_file, album, and artist
+	_, err := tx.ExecContext(ctx, `ALTER TABLE media_file ADD COLUMN search_participants TEXT NOT NULL DEFAULT ''`)
+	if err != nil {
+		return fmt.Errorf("adding search_participants to media_file: %w", err)
+	}
+	_, err = tx.ExecContext(ctx, `ALTER TABLE media_file ADD COLUMN search_normalized TEXT NOT NULL DEFAULT ''`)
+	if err != nil {
+		return fmt.Errorf("adding search_normalized to media_file: %w", err)
+	}
+	_, err = tx.ExecContext(ctx, `ALTER TABLE album ADD COLUMN search_participants TEXT NOT NULL DEFAULT ''`)
+	if err != nil {
+		return fmt.Errorf("adding search_participants to album: %w", err)
+	}
+	_, err = tx.ExecContext(ctx, `ALTER TABLE album ADD COLUMN search_normalized TEXT NOT NULL DEFAULT ''`)
+	if err != nil {
+		return fmt.Errorf("adding search_normalized to album: %w", err)
+	}
+	_, err = tx.ExecContext(ctx, `ALTER TABLE artist ADD COLUMN search_normalized TEXT NOT NULL DEFAULT ''`)
+	if err != nil {
+		return fmt.Errorf("adding search_normalized to artist: %w", err)
+	}
+
+	// Step 2: Populate search_participants from participants JSON.
+	// Extract all "name" values from the participants JSON structure.
+	// participants is a JSON object like: {"artist":[{"name":"...","id":"..."}],"albumartist":[...]}
+	// We use json_each + json_extract to flatten all names into a space-separated string.
+	_, err = tx.ExecContext(ctx, `
+		UPDATE media_file SET search_participants = COALESCE(
+			(SELECT group_concat(json_extract(je2.value, '$.name'), ' ')
+			 FROM json_each(media_file.participants) AS je1,
+			      json_each(je1.value) AS je2
+			 WHERE json_extract(je2.value, '$.name') IS NOT NULL),
+			''
+		)
+		WHERE participants IS NOT NULL AND participants != '' AND participants != '{}'
+	`)
+	if err != nil {
+		return fmt.Errorf("populating media_file search_participants: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		UPDATE album SET search_participants = COALESCE(
+			(SELECT group_concat(json_extract(je2.value, '$.name'), ' ')
+			 FROM json_each(album.participants) AS je1,
+			      json_each(je1.value) AS je2
+			 WHERE json_extract(je2.value, '$.name') IS NOT NULL),
+			''
+		)
+		WHERE participants IS NOT NULL AND participants != '' AND participants != '{}'
+	`)
+	if err != nil {
+		return fmt.Errorf("populating album search_participants: %w", err)
+	}
+
+	// Step 2b: Populate search_normalized using SQL REPLACE chains for common punctuation.
+	// The Go code will compute the precise value on next scan; this is a best-effort approximation.
+	_, err = tx.ExecContext(ctx, fmt.Sprintf(`
+		UPDATE artist SET search_normalized = %s
+		WHERE name != %s`,
+		stripPunct("name"), stripPunct("name")))
+	if err != nil {
+		return fmt.Errorf("populating artist search_normalized: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, fmt.Sprintf(`
+		UPDATE album SET search_normalized = TRIM(%s || ' ' || %s)
+		WHERE name != %s OR COALESCE(album_artist, '') != %s`,
+		stripPunct("name"), stripPunct("COALESCE(album_artist, '')"),
+		stripPunct("name"), stripPunct("COALESCE(album_artist, '')")))
+	if err != nil {
+		return fmt.Errorf("populating album search_normalized: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, fmt.Sprintf(`
+		UPDATE media_file SET search_normalized =
+			TRIM(%s || ' ' || %s || ' ' || %s || ' ' || %s)
+		WHERE title != %s
+			OR COALESCE(album, '') != %s
+			OR COALESCE(artist, '') != %s
+			OR COALESCE(album_artist, '') != %s`,
+		stripPunct("title"), stripPunct("COALESCE(album, '')"),
+		stripPunct("COALESCE(artist, '')"), stripPunct("COALESCE(album_artist, '')"),
+		stripPunct("title"), stripPunct("COALESCE(album, '')"),
+		stripPunct("COALESCE(artist, '')"), stripPunct("COALESCE(album_artist, '')")))
+	if err != nil {
+		return fmt.Errorf("populating media_file search_normalized: %w", err)
+	}
+
+	// Step 3: Create FTS5 virtual tables
+	_, err = tx.ExecContext(ctx, `
+		CREATE VIRTUAL TABLE IF NOT EXISTS media_file_fts USING fts5(
+			title, album, artist, album_artist,
+			sort_title, sort_album_name, sort_artist_name, sort_album_artist_name,
+			disc_subtitle, search_participants, search_normalized,
+			content='', content_rowid='rowid',
+			tokenize='unicode61 remove_diacritics 2'
+		)
+	`)
+	if err != nil {
+		return fmt.Errorf("creating media_file_fts: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		CREATE VIRTUAL TABLE IF NOT EXISTS album_fts USING fts5(
+			name, sort_album_name, album_artist,
+			search_participants, discs, catalog_num, album_version, search_normalized,
+			content='', content_rowid='rowid',
+			tokenize='unicode61 remove_diacritics 2'
+		)
+	`)
+	if err != nil {
+		return fmt.Errorf("creating album_fts: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		CREATE VIRTUAL TABLE IF NOT EXISTS artist_fts USING fts5(
+			name, sort_artist_name, search_normalized,
+			content='', content_rowid='rowid',
+			tokenize='unicode61 remove_diacritics 2'
+		)
+	`)
+	if err != nil {
+		return fmt.Errorf("creating artist_fts: %w", err)
+	}
+
+	// Step 4: Bulk-populate FTS5 indexes from existing data
+	_, err = tx.ExecContext(ctx, `
+		INSERT INTO media_file_fts(rowid, title, album, artist, album_artist,
+			sort_title, sort_album_name, sort_artist_name, sort_album_artist_name,
+			disc_subtitle, search_participants, search_normalized)
+		SELECT rowid, title, album, artist, album_artist,
+			sort_title, sort_album_name, sort_artist_name, sort_album_artist_name,
+			COALESCE(disc_subtitle, ''), COALESCE(search_participants, ''),
+			COALESCE(search_normalized, '')
+		FROM media_file
+	`)
+	if err != nil {
+		return fmt.Errorf("populating media_file_fts: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		INSERT INTO album_fts(rowid, name, sort_album_name, album_artist,
+			search_participants, discs, catalog_num, album_version, search_normalized)
+		SELECT rowid, name, COALESCE(sort_album_name, ''), COALESCE(album_artist, ''),
+			COALESCE(search_participants, ''), COALESCE(discs, ''),
+			COALESCE(catalog_num, ''),
+			COALESCE((SELECT group_concat(json_extract(je.value, '$.value'), ' ')
+				FROM json_each(album.tags, '$.albumversion') AS je), ''),
+			COALESCE(search_normalized, '')
+		FROM album
+	`)
+	if err != nil {
+		return fmt.Errorf("populating album_fts: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		INSERT INTO artist_fts(rowid, name, sort_artist_name, search_normalized)
+		SELECT rowid, name, COALESCE(sort_artist_name, ''), COALESCE(search_normalized, '')
+		FROM artist
+	`)
+	if err != nil {
+		return fmt.Errorf("populating artist_fts: %w", err)
+	}
+
+	// Step 5: Create triggers for media_file
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER media_file_fts_ai AFTER INSERT ON media_file BEGIN
+			INSERT INTO media_file_fts(rowid, title, album, artist, album_artist,
+				sort_title, sort_album_name, sort_artist_name, sort_album_artist_name,
+				disc_subtitle, search_participants, search_normalized)
+			VALUES (NEW.rowid, NEW.title, NEW.album, NEW.artist, NEW.album_artist,
+				NEW.sort_title, NEW.sort_album_name, NEW.sort_artist_name, NEW.sort_album_artist_name,
+				COALESCE(NEW.disc_subtitle, ''), COALESCE(NEW.search_participants, ''),
+				COALESCE(NEW.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating media_file_fts insert trigger: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER media_file_fts_ad AFTER DELETE ON media_file BEGIN
+			INSERT INTO media_file_fts(media_file_fts, rowid, title, album, artist, album_artist,
+				sort_title, sort_album_name, sort_artist_name, sort_album_artist_name,
+				disc_subtitle, search_participants, search_normalized)
+			VALUES ('delete', OLD.rowid, OLD.title, OLD.album, OLD.artist, OLD.album_artist,
+				OLD.sort_title, OLD.sort_album_name, OLD.sort_artist_name, OLD.sort_album_artist_name,
+				COALESCE(OLD.disc_subtitle, ''), COALESCE(OLD.search_participants, ''),
+				COALESCE(OLD.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating media_file_fts delete trigger: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER media_file_fts_au AFTER UPDATE ON media_file
+		WHEN
+			OLD.title IS NOT NEW.title OR
+			OLD.album IS NOT NEW.album OR
+			OLD.artist IS NOT NEW.artist OR
+			OLD.album_artist IS NOT NEW.album_artist OR
+			OLD.sort_title IS NOT NEW.sort_title OR
+			OLD.sort_album_name IS NOT NEW.sort_album_name OR
+			OLD.sort_artist_name IS NOT NEW.sort_artist_name OR
+			OLD.sort_album_artist_name IS NOT NEW.sort_album_artist_name OR
+			OLD.disc_subtitle IS NOT NEW.disc_subtitle OR
+			OLD.search_participants IS NOT NEW.search_participants OR
+			OLD.search_normalized IS NOT NEW.search_normalized
+		BEGIN
+			INSERT INTO media_file_fts(media_file_fts, rowid, title, album, artist, album_artist,
+				sort_title, sort_album_name, sort_artist_name, sort_album_artist_name,
+				disc_subtitle, search_participants, search_normalized)
+			VALUES ('delete', OLD.rowid, OLD.title, OLD.album, OLD.artist, OLD.album_artist,
+				OLD.sort_title, OLD.sort_album_name, OLD.sort_artist_name, OLD.sort_album_artist_name,
+				COALESCE(OLD.disc_subtitle, ''), COALESCE(OLD.search_participants, ''),
+				COALESCE(OLD.search_normalized, ''));
+			INSERT INTO media_file_fts(rowid, title, album, artist, album_artist,
+				sort_title, sort_album_name, sort_artist_name, sort_album_artist_name,
+				disc_subtitle, search_participants, search_normalized)
+			VALUES (NEW.rowid, NEW.title, NEW.album, NEW.artist, NEW.album_artist,
+				NEW.sort_title, NEW.sort_album_name, NEW.sort_artist_name, NEW.sort_album_artist_name,
+				COALESCE(NEW.disc_subtitle, ''), COALESCE(NEW.search_participants, ''),
+				COALESCE(NEW.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating media_file_fts update trigger: %w", err)
+	}
+
+	// Step 6: Create triggers for album
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER album_fts_ai AFTER INSERT ON album BEGIN
+			INSERT INTO album_fts(rowid, name, sort_album_name, album_artist,
+				search_participants, discs, catalog_num, album_version, search_normalized)
+			VALUES (NEW.rowid, NEW.name, COALESCE(NEW.sort_album_name, ''), COALESCE(NEW.album_artist, ''),
+				COALESCE(NEW.search_participants, ''), COALESCE(NEW.discs, ''),
+				COALESCE(NEW.catalog_num, ''),
+				COALESCE((SELECT group_concat(json_extract(je.value, '$.value'), ' ')
+					FROM json_each(NEW.tags, '$.albumversion') AS je), ''),
+				COALESCE(NEW.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating album_fts insert trigger: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER album_fts_ad AFTER DELETE ON album BEGIN
+			INSERT INTO album_fts(album_fts, rowid, name, sort_album_name, album_artist,
+				search_participants, discs, catalog_num, album_version, search_normalized)
+			VALUES ('delete', OLD.rowid, OLD.name, COALESCE(OLD.sort_album_name, ''), COALESCE(OLD.album_artist, ''),
+				COALESCE(OLD.search_participants, ''), COALESCE(OLD.discs, ''),
+				COALESCE(OLD.catalog_num, ''),
+				COALESCE((SELECT group_concat(json_extract(je.value, '$.value'), ' ')
+					FROM json_each(OLD.tags, '$.albumversion') AS je), ''),
+				COALESCE(OLD.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating album_fts delete trigger: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER album_fts_au AFTER UPDATE ON album
+		WHEN
+			OLD.name IS NOT NEW.name OR
+			OLD.sort_album_name IS NOT NEW.sort_album_name OR
+			OLD.album_artist IS NOT NEW.album_artist OR
+			OLD.search_participants IS NOT NEW.search_participants OR
+			OLD.discs IS NOT NEW.discs OR
+			OLD.catalog_num IS NOT NEW.catalog_num OR
+			OLD.tags IS NOT NEW.tags OR
+			OLD.search_normalized IS NOT NEW.search_normalized
+		BEGIN
+			INSERT INTO album_fts(album_fts, rowid, name, sort_album_name, album_artist,
+				search_participants, discs, catalog_num, album_version, search_normalized)
+			VALUES ('delete', OLD.rowid, OLD.name, COALESCE(OLD.sort_album_name, ''), COALESCE(OLD.album_artist, ''),
+				COALESCE(OLD.search_participants, ''), COALESCE(OLD.discs, ''),
+				COALESCE(OLD.catalog_num, ''),
+				COALESCE((SELECT group_concat(json_extract(je.value, '$.value'), ' ')
+					FROM json_each(OLD.tags, '$.albumversion') AS je), ''),
+				COALESCE(OLD.search_normalized, ''));
+			INSERT INTO album_fts(rowid, name, sort_album_name, album_artist,
+				search_participants, discs, catalog_num, album_version, search_normalized)
+			VALUES (NEW.rowid, NEW.name, COALESCE(NEW.sort_album_name, ''), COALESCE(NEW.album_artist, ''),
+				COALESCE(NEW.search_participants, ''), COALESCE(NEW.discs, ''),
+				COALESCE(NEW.catalog_num, ''),
+				COALESCE((SELECT group_concat(json_extract(je.value, '$.value'), ' ')
+					FROM json_each(NEW.tags, '$.albumversion') AS je), ''),
+				COALESCE(NEW.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating album_fts update trigger: %w", err)
+	}
+
+	// Step 7: Create triggers for artist
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER artist_fts_ai AFTER INSERT ON artist BEGIN
+			INSERT INTO artist_fts(rowid, name, sort_artist_name, search_normalized)
+			VALUES (NEW.rowid, NEW.name, COALESCE(NEW.sort_artist_name, ''),
+				COALESCE(NEW.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating artist_fts insert trigger: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER artist_fts_ad AFTER DELETE ON artist BEGIN
+			INSERT INTO artist_fts(artist_fts, rowid, name, sort_artist_name, search_normalized)
+			VALUES ('delete', OLD.rowid, OLD.name, COALESCE(OLD.sort_artist_name, ''),
+				COALESCE(OLD.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating artist_fts delete trigger: %w", err)
+	}
+
+	_, err = tx.ExecContext(ctx, `
+		CREATE TRIGGER artist_fts_au AFTER UPDATE ON artist
+		WHEN
+			OLD.name IS NOT NEW.name OR
+			OLD.sort_artist_name IS NOT NEW.sort_artist_name OR
+			OLD.search_normalized IS NOT NEW.search_normalized
+		BEGIN
+			INSERT INTO artist_fts(artist_fts, rowid, name, sort_artist_name, search_normalized)
+			VALUES ('delete', OLD.rowid, OLD.name, COALESCE(OLD.sort_artist_name, ''),
+				COALESCE(OLD.search_normalized, ''));
+			INSERT INTO artist_fts(rowid, name, sort_artist_name, search_normalized)
+			VALUES (NEW.rowid, NEW.name, COALESCE(NEW.sort_artist_name, ''),
+				COALESCE(NEW.search_normalized, ''));
+		END
+	`)
+	if err != nil {
+		return fmt.Errorf("creating artist_fts update trigger: %w", err)
+	}
+
+	return nil
+}
+
+func downAddFts5Search(ctx context.Context, tx *sql.Tx) error {
+	for _, trigger := range []string{
+		"media_file_fts_ai", "media_file_fts_ad", "media_file_fts_au",
+		"album_fts_ai", "album_fts_ad", "album_fts_au",
+		"artist_fts_ai", "artist_fts_ad", "artist_fts_au",
+	} {
+		_, err := tx.ExecContext(ctx, "DROP TRIGGER IF EXISTS "+trigger)
+		if err != nil {
+			return fmt.Errorf("dropping trigger %s: %w", trigger, err)
+		}
+	}
+
+	for _, table := range []string{"media_file_fts", "album_fts", "artist_fts"} {
+		_, err := tx.ExecContext(ctx, "DROP TABLE IF EXISTS "+table)
+		if err != nil {
+			return fmt.Errorf("dropping table %s: %w", table, err)
+		}
+	}
+
+	// Note: We don't drop search_participants columns because SQLite doesn't support DROP COLUMN
+	// on older versions, and the column is harmless if left in place.
+	return nil
+}

go.mod

@@ -1,13 +1,13 @@
 module github.com/navidrome/navidrome
 
-go 1.25
+go 1.25.0
 
 replace (
 	// Fork to fix https://github.com/navidrome/navidrome/issues/3254
 	github.com/dhowden/tag v0.0.0-20240417053706-3d75831295e8 => github.com/deluan/tag v0.0.0-20241002021117-dfe5e6ea396d
 
 	// Fork to implement raw tags support
-	go.senan.xyz/taglib => github.com/deluan/go-taglib v0.0.0-20260212150743-3f1b97cb0d1e
+	go.senan.xyz/taglib => github.com/deluan/go-taglib v0.0.0-20260225021432-1699562530f1
 )
 
 require (
@@ -53,7 +53,7 @@ require (
 	github.com/onsi/gomega v1.39.1
 	github.com/pelletier/go-toml/v2 v2.2.4
 	github.com/pocketbase/dbx v1.12.0
-	github.com/pressly/goose/v3 v3.26.0
+	github.com/pressly/goose/v3 v3.27.0
 	github.com/prometheus/client_golang v1.23.2
 	github.com/rjeczalik/notify v0.9.3
 	github.com/robfig/cron/v3 v3.0.1
@@ -88,7 +88,7 @@ require (
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/creack/pty v1.1.24 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
-	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.1 // indirect
 	github.com/dylibso/observe-sdk/go v0.0.0-20240828172851-9145d8ad07e1 // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
@@ -140,7 +140,6 @@ require (
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/crypto v0.48.0 // indirect
-	golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect
 	golang.org/x/mod v0.33.0 // indirect
 	golang.org/x/telemetry v0.0.0-20260209163413-e7419c687ee4 // indirect
 	golang.org/x/tools v0.42.0 // indirect

go.sum

@@ -1,7 +1,7 @@
 dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
 dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
-filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.2.0 h1:crnVqOiS4jqYleHd9vaKZ+HKtHfllngJIiOpNpoJsjo=
-filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+filippo.io/edwards25519 v1.2.0/go.mod h1:xzAOLCNug/yB62zG1bQ8uziwrIqIuxhctzJT18Q77mc=
 github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
 github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/Masterminds/squirrel v1.5.4 h1:uUcX/aBc8O7Fg9kaISIUsHXdKuqehiXAMQTYX8afzqM=
@@ -34,10 +34,10 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 h1:NMZiJj8QnKe1LgsbDayM4UoHwbvwDRwnI3hwNaAHRnc=
+github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.1 h1:5RVFMOWjMyRy8cARdy79nAmgYw3hK/4HUq48LQ6Wwqo=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0/go.mod h1:ZXNYxsqcloTdSy/rNShjYzMhyjf0LaoftYK0p+A3h40=
+github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.1/go.mod h1:ZXNYxsqcloTdSy/rNShjYzMhyjf0LaoftYK0p+A3h40=
-github.com/deluan/go-taglib v0.0.0-20260212150743-3f1b97cb0d1e h1:pwx3kmHzl1N28coJV2C1zfm2ZF0qkQcGX+Z6BvXteB4=
+github.com/deluan/go-taglib v0.0.0-20260225021432-1699562530f1 h1:seWJmkPAb+M1ysRNGzTGS7FfdrUe9wQTHhB9p2fxDWg=
-github.com/deluan/go-taglib v0.0.0-20260212150743-3f1b97cb0d1e/go.mod h1:sKDN0U4qXDlq6LFK+aOAkDH4Me5nDV1V/A4B+B69xBA=
+github.com/deluan/go-taglib v0.0.0-20260225021432-1699562530f1/go.mod h1:sKDN0U4qXDlq6LFK+aOAkDH4Me5nDV1V/A4B+B69xBA=
 github.com/deluan/rest v0.0.0-20211102003136-6260bc399cbf h1:tb246l2Zmpt/GpF9EcHCKTtwzrd0HGfEmoODFA/qnk4=
 github.com/deluan/rest v0.0.0-20211102003136-6260bc399cbf/go.mod h1:tSgDythFsl0QgS/PFWfIZqcJKnkADWneY80jaVRlqK8=
 github.com/deluan/sanitize v0.0.0-20241120162836-fdfd8fdfaa55 h1:wSCnggTs2f2ji6nFwQmfwgINcmSMj0xF0oHnoyRSPe4=
@@ -143,8 +143,8 @@ github.com/kardianos/service v1.2.4 h1:XNlGtZOYNx2u91urOdg/Kfmc+gfmuIo1Dd3rEi2Og
 github.com/kardianos/service v1.2.4/go.mod h1:E4V9ufUuY82F7Ztlu1eN9VXWIQxg8NoLQlmFe0MtrXc=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
-github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
+github.com/klauspost/compress v1.18.4 h1:RPhnKRAQ4Fh8zU2FY/6ZFDwTVTxgJ/EMydqSTzE9a2c=
-github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
+github.com/klauspost/compress v1.18.4/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
 github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
@@ -193,8 +193,8 @@ github.com/mitchellh/go-wordwrap v1.0.1 h1:TLuKupo69TCn6TQSyGxwI1EblZZEsQ0vMlAFQ
 github.com/mitchellh/go-wordwrap v1.0.1/go.mod h1:R62XHJLzvMFRBbcrT7m7WgmE1eOyTSsCt+hzestvNj0=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
+github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
-github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/ogier/pflag v0.0.1 h1:RW6JSWSu/RkSatfcLtogGfFgpim5p7ARQ10ECk5O750=
 github.com/ogier/pflag v0.0.1/go.mod h1:zkFki7tvTa0tafRvTBIZTvzYyAu6kQhPZFnshFFPE+g=
 github.com/onsi/ginkgo/v2 v2.28.1 h1:S4hj+HbZp40fNKuLUQOYLDgZLwNUVn19N3Atb98NCyI=
@@ -212,8 +212,8 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRI
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pocketbase/dbx v1.12.0 h1:/oLErM+A0b4xI0PWTGPqSDVjzix48PqI/bng2l0PzoA=
 github.com/pocketbase/dbx v1.12.0/go.mod h1:xXRCIAKTHMgUCyCKZm55pUOdvFziJjQfXaWKhu2vhMs=
-github.com/pressly/goose/v3 v3.26.0 h1:KJakav68jdH0WDvoAcj8+n61WqOIaPGgH0bJWS6jpmM=
+github.com/pressly/goose/v3 v3.27.0 h1:/D30gVTuQhu0WsNZYbJi4DMOsx1lNq+6SkLe+Wp59BM=
-github.com/pressly/goose/v3 v3.26.0/go.mod h1:4hC1KrritdCxtuFsqgs1R4AU5bWtTAf+cnWvfhf2DNY=
+github.com/pressly/goose/v3 v3.27.0/go.mod h1:3ZBeCXqzkgIRvrEMDkYh1guvtoJTU5oMMuDdkutoM78=
 github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h0RJWRi/o0o=
 github.com/prometheus/client_golang v1.23.2/go.mod h1:Tb1a6LWHB3/SPIzCoaDXI4I8UHKeFTEQ1YCr+0Gyqmg=
 github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=
@@ -321,8 +321,8 @@ golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v
 golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
 golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts=
 golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos=
-golang.org/x/exp v0.0.0-20260112195511-716be5621a96 h1:Z/6YuSHTLOHfNFdb8zVZomZr7cqNgTJvA8+Qz75D8gU=
+golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa h1:Zt3DZoOFFYkKhDT3v7Lm9FDMEV06GpzjG2jrqW+QTE0=
-golang.org/x/exp v0.0.0-20260112195511-716be5621a96/go.mod h1:nzimsREAkjBCIEFtHiYkrJyT+2uy9YZJB7H1k68CXZU=
+golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa/go.mod h1:K79w1Vqn7PoiZn+TkNpx3BUWUQksGO3JcVX6qIjytmA=
 golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.36.0 h1:Iknbfm1afbgtwPTmHnS2gTM/6PPZfH+z2EFuOkSbqwc=
 golang.org/x/image v0.36.0/go.mod h1:YsWD2TyyGKiIX1kZlu9QfKIsQ4nAAK9bdgdrIsE7xy4=
@@ -423,11 +423,11 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-modernc.org/libc v1.66.3 h1:cfCbjTUcdsKyyZZfEUKfoHcP3S0Wkvz3jgSzByEWVCQ=
+modernc.org/libc v1.68.0 h1:PJ5ikFOV5pwpW+VqCK1hKJuEWsonkIJhhIXyuF/91pQ=
-modernc.org/libc v1.66.3/go.mod h1:XD9zO8kt59cANKvHPXpx7yS2ELPheAey0vjIuZOhOU8=
+modernc.org/libc v1.68.0/go.mod h1:NnKCYeoYgsEqnY3PgvNgAeaJnso968ygU8Z0DxjoEc0=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
 modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
 modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
-modernc.org/sqlite v1.38.2 h1:Aclu7+tgjgcQVShZqim41Bbw9Cho0y/7WzYptXqkEek=
+modernc.org/sqlite v1.46.1 h1:eFJ2ShBLIEnUWlLy12raN0Z1plqmFX9Qe3rjQTKt6sU=
-modernc.org/sqlite v1.38.2/go.mod h1:cPTJYSlgg3Sfg046yBShXENNtPrWrDX8bsbAQBzgQ5E=
+modernc.org/sqlite v1.46.1/go.mod h1:CzbrU2lSB1DKUusvwGz7rqEKIq+NUd8GWuBBZDs9/nA=

main.go

@@ -9,11 +9,12 @@ import (
 
 //goland:noinspection GoBoolExpressions
 func main() {
-	// This import is used to force the inclusion of the `netgo` tag when compiling the project.
+	// These references force the inclusion of build tags when compiling the project.
 	// If you get compilation errors like "undefined: buildtags.NETGO", this means you forgot to specify
-	// the `netgo` build tag when compiling the project.
+	// the required build tags when compiling the project.
 	// To avoid these kind of errors, you should use `make build` to compile the project.
 	_ = buildtags.NETGO
+	_ = buildtags.SQLITE_FTS5
 
 	cmd.Execute()
 }

model/album.go

@@ -1,11 +1,14 @@
 package model
 
 import (
+	"fmt"
 	"iter"
 	"math"
 	"sync"
 	"time"
 
+	"github.com/navidrome/navidrome/conf"
+
 	"github.com/gohugoio/hashstructure"
 )
 
@@ -70,6 +73,13 @@ func (a Album) CoverArtID() ArtworkID {
 	return artworkIDFromAlbum(a)
 }
 
+func (a Album) FullName() string {
+	if conf.Server.Subsonic.AppendAlbumVersion && len(a.Tags[TagAlbumVersion]) > 0 {
+		return fmt.Sprintf("%s (%s)", a.Name, a.Tags[TagAlbumVersion][0])
+	}
+	return a.Name
+}
+
 // Equals compares two Album structs, ignoring calculated fields
 func (a Album) Equals(other Album) bool {
 	// Normalize float32 values to avoid false negatives

model/album_test.go

@@ -3,11 +3,30 @@ package model_test
 import (
 	"encoding/json"
 
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/conf/configtest"
 	. "github.com/navidrome/navidrome/model"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 )
 
+var _ = Describe("Album", func() {
+	BeforeEach(func() {
+		DeferCleanup(configtest.SetupConfig())
+	})
+	DescribeTable("FullName",
+		func(enabled bool, tags Tags, expected string) {
+			conf.Server.Subsonic.AppendAlbumVersion = enabled
+			a := Album{Name: "Album", Tags: tags}
+			Expect(a.FullName()).To(Equal(expected))
+		},
+		Entry("appends version when enabled and tag is present", true, Tags{TagAlbumVersion: []string{"Remastered"}}, "Album (Remastered)"),
+		Entry("returns just name when disabled", false, Tags{TagAlbumVersion: []string{"Remastered"}}, "Album"),
+		Entry("returns just name when tag is absent", true, Tags{}, "Album"),
+		Entry("returns just name when tag is an empty slice", true, Tags{TagAlbumVersion: []string{}}, "Album"),
+	)
+})
+
 var _ = Describe("Albums", func() {
 	var albums Albums
 

model/criteria/criteria.go

@@ -95,6 +95,25 @@ func (c Criteria) ToSql() (sql string, args []any, err error) {
 	return c.Expression.ToSql()
 }
 
+// RequiredJoins inspects the expression tree and Sort field to determine which
+// additional JOINs are needed when evaluating this criteria.
+func (c Criteria) RequiredJoins() JoinType {
+	result := JoinNone
+	if c.Expression != nil {
+		result |= extractJoinTypes(c.Expression)
+	}
+	// Also check Sort fields
+	if c.Sort != "" {
+		for _, p := range strings.Split(c.Sort, ",") {
+			p = strings.TrimSpace(p)
+			p = strings.TrimLeft(p, "+-")
+			p = strings.TrimSpace(p)
+			result |= fieldJoinType(p)
+		}
+	}
+	return result
+}
+
 func (c Criteria) ChildPlaylistIds() []string {
 	if c.Expression == nil {
 		return nil

model/criteria/criteria_test.go

@@ -27,6 +27,7 @@ var _ = Describe("Criteria", func() {
 						StartsWith{"comment": "this"},
 						InTheRange{"year": []int{1980, 1990}},
 						IsNot{"genre": "Rock"},
+						Gt{"albumrating": 3},
 					},
 				},
 				Sort:   "title",
@@ -48,7 +49,8 @@ var _ = Describe("Criteria", func() {
 		{ "all": [
 				{ "startsWith": {"comment": "this"} },
 				{ "inTheRange": {"year":[1980,1990]} },
-				{ "isNot": { "genre": "Rock" }}
+				{ "isNot": { "genre": "Rock" }},
+				{ "gt": { "albumrating": 3 } }
 			]
 		}
 	],
@@ -68,10 +70,10 @@ var _ = Describe("Criteria", func() {
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
 			gomega.Expect(sql).To(gomega.Equal(
 				`(media_file.title LIKE ? AND media_file.title NOT LIKE ? ` +
-					`AND (not exists (select 1 from json_tree(participants, '$.artist') where key='name' and value = ?) ` +
+					`AND (not exists (select 1 from json_tree(media_file.participants, '$.artist') where key='name' and value = ?) ` +
 					`OR media_file.album = ?) AND (media_file.comment LIKE ? AND (media_file.year >= ? AND media_file.year <= ?) ` +
-					`AND not exists (select 1 from json_tree(tags, '$.genre') where key='value' and value = ?)))`))
+					`AND not exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value = ?) AND COALESCE(album_annotation.rating, 0) > ?))`))
-			gomega.Expect(args).To(gomega.HaveExactElements("%love%", "%hate%", "u2", "best of", "this%", 1980, 1990, "Rock"))
+			gomega.Expect(args).To(gomega.HaveExactElements("%love%", "%hate%", "u2", "best of", "this%", 1980, 1990, "Rock", 3))
 		})
 		It("marshals to JSON", func() {
 			j, err := json.Marshal(goObj)
@@ -172,13 +174,95 @@ var _ = Describe("Criteria", func() {
 			sql, args, err := goObj.ToSql()
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
 			gomega.Expect(sql).To(gomega.Equal(
-				`(exists (select 1 from json_tree(participants, '$.artist') where key='name' and value = ?) AND ` +
+				`(exists (select 1 from json_tree(media_file.participants, '$.artist') where key='name' and value = ?) AND ` +
-					`exists (select 1 from json_tree(participants, '$.composer') where key='name' and value LIKE ?))`,
+					`exists (select 1 from json_tree(media_file.participants, '$.composer') where key='name' and value LIKE ?))`,
 			))
 			gomega.Expect(args).To(gomega.HaveExactElements("The Beatles", "%Lennon%"))
 		})
 	})
 
+	Describe("RequiredJoins", func() {
+		It("returns JoinNone when no annotation fields are used", func() {
+			c := Criteria{
+				Expression: All{
+					Contains{"title": "love"},
+				},
+			}
+			gomega.Expect(c.RequiredJoins()).To(gomega.Equal(JoinNone))
+		})
+		It("returns JoinNone for media_file annotation fields", func() {
+			c := Criteria{
+				Expression: All{
+					Is{"loved": true},
+					Gt{"playCount": 5},
+				},
+			}
+			gomega.Expect(c.RequiredJoins()).To(gomega.Equal(JoinNone))
+		})
+		It("returns JoinAlbumAnnotation for album annotation fields", func() {
+			c := Criteria{
+				Expression: All{
+					Gt{"albumRating": 3},
+				},
+			}
+			gomega.Expect(c.RequiredJoins()).To(gomega.Equal(JoinAlbumAnnotation))
+		})
+		It("returns JoinArtistAnnotation for artist annotation fields", func() {
+			c := Criteria{
+				Expression: All{
+					Is{"artistLoved": true},
+				},
+			}
+			gomega.Expect(c.RequiredJoins()).To(gomega.Equal(JoinArtistAnnotation))
+		})
+		It("returns both join types when both are used", func() {
+			c := Criteria{
+				Expression: All{
+					Gt{"albumRating": 3},
+					Is{"artistLoved": true},
+				},
+			}
+			j := c.RequiredJoins()
+			gomega.Expect(j.Has(JoinAlbumAnnotation)).To(gomega.BeTrue())
+			gomega.Expect(j.Has(JoinArtistAnnotation)).To(gomega.BeTrue())
+		})
+		It("detects join types in nested expressions", func() {
+			c := Criteria{
+				Expression: All{
+					Any{
+						All{
+							Is{"albumLoved": true},
+						},
+					},
+					Any{
+						Gt{"artistPlayCount": 10},
+					},
+				},
+			}
+			j := c.RequiredJoins()
+			gomega.Expect(j.Has(JoinAlbumAnnotation)).To(gomega.BeTrue())
+			gomega.Expect(j.Has(JoinArtistAnnotation)).To(gomega.BeTrue())
+		})
+		It("detects join types from Sort field", func() {
+			c := Criteria{
+				Expression: All{
+					Contains{"title": "love"},
+				},
+				Sort: "albumRating",
+			}
+			gomega.Expect(c.RequiredJoins().Has(JoinAlbumAnnotation)).To(gomega.BeTrue())
+		})
+		It("detects join types from Sort field with direction prefix", func() {
+			c := Criteria{
+				Expression: All{
+					Contains{"title": "love"},
+				},
+				Sort: "-artistRating",
+			}
+			gomega.Expect(c.RequiredJoins().Has(JoinArtistAnnotation)).To(gomega.BeTrue())
+		})
+	})
+
 	Context("with child playlists", func() {
 		var (
 			topLevelInPlaylistID     string

model/criteria/fields.go

@@ -9,6 +9,18 @@ import (
 	"github.com/navidrome/navidrome/log"
 )
 
+// JoinType is a bitmask indicating which additional JOINs are needed by a smart playlist expression.
+type JoinType int
+
+const (
+	JoinNone            JoinType = 0
+	JoinAlbumAnnotation JoinType = 1 << iota
+	JoinArtistAnnotation
+)
+
+// Has returns true if j contains all bits in other.
+func (j JoinType) Has(other JoinType) bool { return j&other != 0 }
+
 var fieldMap = map[string]*mappedField{
 	"title":           {field: "media_file.title"},
 	"album":           {field: "media_file.album"},
@@ -48,6 +60,20 @@ var fieldMap = map[string]*mappedField{
 	"daterated":       {field: "annotation.rated_at"},
 	"playcount":       {field: "COALESCE(annotation.play_count, 0)"},
 	"rating":          {field: "COALESCE(annotation.rating, 0)"},
+	"albumrating":     {field: "COALESCE(album_annotation.rating, 0)", joinType: JoinAlbumAnnotation},
+	"albumloved":      {field: "COALESCE(album_annotation.starred, false)", joinType: JoinAlbumAnnotation},
+	"albumplaycount":  {field: "COALESCE(album_annotation.play_count, 0)", joinType: JoinAlbumAnnotation},
+	"albumlastplayed": {field: "album_annotation.play_date", joinType: JoinAlbumAnnotation},
+	"albumdateloved":  {field: "album_annotation.starred_at", joinType: JoinAlbumAnnotation},
+	"albumdaterated":  {field: "album_annotation.rated_at", joinType: JoinAlbumAnnotation},
+
+	"artistrating":     {field: "COALESCE(artist_annotation.rating, 0)", joinType: JoinArtistAnnotation},
+	"artistloved":      {field: "COALESCE(artist_annotation.starred, false)", joinType: JoinArtistAnnotation},
+	"artistplaycount":  {field: "COALESCE(artist_annotation.play_count, 0)", joinType: JoinArtistAnnotation},
+	"artistlastplayed": {field: "artist_annotation.play_date", joinType: JoinArtistAnnotation},
+	"artistdateloved":  {field: "artist_annotation.starred_at", joinType: JoinArtistAnnotation},
+	"artistdaterated":  {field: "artist_annotation.rated_at", joinType: JoinArtistAnnotation},
+
 	"mbz_album_id":         {field: "media_file.mbz_album_id"},
 	"mbz_album_artist_id":  {field: "media_file.mbz_album_artist_id"},
 	"mbz_artist_id":        {field: "media_file.mbz_artist_id"},
@@ -71,6 +97,7 @@ type mappedField struct {
 	isTag    bool     // true if the field is a tag imported from the file metadata
 	alias    string   // name from `mappings.yml` that may differ from the name used in the smart playlist
 	numeric  bool     // true if the field/tag should be treated as numeric
+	joinType JoinType // which additional JOINs this field requires
 }
 
 func mapFields(expr map[string]any) map[string]any {
@@ -169,7 +196,7 @@ func (e tagCond) ToSql() (string, []any, error) {
 		}
 	}
 
-	cond = fmt.Sprintf("exists (select 1 from json_tree(tags, '$.%s') where key='value' and %s)",
+	cond = fmt.Sprintf("exists (select 1 from json_tree(media_file.tags, '$.%s') where key='value' and %s)",
 		tagName, cond)
 	if e.not {
 		cond = "not " + cond
@@ -189,7 +216,7 @@ type roleCond struct {
 
 func (e roleCond) ToSql() (string, []any, error) {
 	cond, args, err := e.cond.ToSql()
-	cond = fmt.Sprintf(`exists (select 1 from json_tree(participants, '$.%s') where key='name' and %s)`,
+	cond = fmt.Sprintf(`exists (select 1 from json_tree(media_file.participants, '$.%s') where key='name' and %s)`,
 		e.role, cond)
 	if e.not {
 		cond = "not " + cond
@@ -197,6 +224,38 @@ func (e roleCond) ToSql() (string, []any, error) {
 	return cond, args, err
 }
 
+// fieldJoinType returns the JoinType for a given field name (case-insensitive).
+func fieldJoinType(name string) JoinType {
+	if f, ok := fieldMap[strings.ToLower(name)]; ok {
+		return f.joinType
+	}
+	return JoinNone
+}
+
+// extractJoinTypes walks an expression tree and collects all required JoinType flags.
+func extractJoinTypes(expr any) JoinType {
+	result := JoinNone
+	switch e := expr.(type) {
+	case All:
+		for _, sub := range e {
+			result |= extractJoinTypes(sub)
+		}
+	case Any:
+		for _, sub := range e {
+			result |= extractJoinTypes(sub)
+		}
+	default:
+		// Leaf expression: use reflection to check if it's a map with field names
+		rv := reflect.ValueOf(expr)
+		if rv.Kind() == reflect.Map && rv.Type().Key().Kind() == reflect.String {
+			for _, key := range rv.MapKeys() {
+				result |= fieldJoinType(key.String())
+			}
+		}
+	}
+	return result
+}
+
 // AddRoles adds roles to the field map. This is used to add all artist roles to the field map, so they can be used in
 // smart playlists. If a role already exists in the field map, it is ignored, so calls to this function are idempotent.
 func AddRoles(roles []string) {

model/criteria/operators_test.go

@@ -54,23 +54,43 @@ var _ = Describe("Operators", func() {
 		Entry("inTheLast", InTheLast{"lastPlayed": 30}, "annotation.play_date > ?", StartOfPeriod(30, time.Now())),
 		Entry("notInTheLast", NotInTheLast{"lastPlayed": 30}, "(annotation.play_date < ? OR annotation.play_date IS NULL)", StartOfPeriod(30, time.Now())),
 
+		// Album annotation fields
+		Entry("albumRating", Gt{"albumRating": 3}, "COALESCE(album_annotation.rating, 0) > ?", 3),
+		Entry("albumLoved", Is{"albumLoved": true}, "COALESCE(album_annotation.starred, false) = ?", true),
+		Entry("albumPlayCount", Gt{"albumPlayCount": 5}, "COALESCE(album_annotation.play_count, 0) > ?", 5),
+		Entry("albumLastPlayed", After{"albumLastPlayed": rangeStart}, "album_annotation.play_date > ?", rangeStart),
+		Entry("albumDateLoved", Before{"albumDateLoved": rangeStart}, "album_annotation.starred_at < ?", rangeStart),
+		Entry("albumDateRated", After{"albumDateRated": rangeStart}, "album_annotation.rated_at > ?", rangeStart),
+		Entry("albumLastPlayed inTheLast", InTheLast{"albumLastPlayed": 30}, "album_annotation.play_date > ?", StartOfPeriod(30, time.Now())),
+		Entry("albumLastPlayed notInTheLast", NotInTheLast{"albumLastPlayed": 30}, "(album_annotation.play_date < ? OR album_annotation.play_date IS NULL)", StartOfPeriod(30, time.Now())),
+
+		// Artist annotation fields
+		Entry("artistRating", Gt{"artistRating": 3}, "COALESCE(artist_annotation.rating, 0) > ?", 3),
+		Entry("artistLoved", Is{"artistLoved": true}, "COALESCE(artist_annotation.starred, false) = ?", true),
+		Entry("artistPlayCount", Gt{"artistPlayCount": 5}, "COALESCE(artist_annotation.play_count, 0) > ?", 5),
+		Entry("artistLastPlayed", After{"artistLastPlayed": rangeStart}, "artist_annotation.play_date > ?", rangeStart),
+		Entry("artistDateLoved", Before{"artistDateLoved": rangeStart}, "artist_annotation.starred_at < ?", rangeStart),
+		Entry("artistDateRated", After{"artistDateRated": rangeStart}, "artist_annotation.rated_at > ?", rangeStart),
+		Entry("artistLastPlayed inTheLast", InTheLast{"artistLastPlayed": 30}, "artist_annotation.play_date > ?", StartOfPeriod(30, time.Now())),
+		Entry("artistLastPlayed notInTheLast", NotInTheLast{"artistLastPlayed": 30}, "(artist_annotation.play_date < ? OR artist_annotation.play_date IS NULL)", StartOfPeriod(30, time.Now())),
+
 		// Tag tests
-		Entry("tag is [string]", Is{"genre": "Rock"}, "exists (select 1 from json_tree(tags, '$.genre') where key='value' and value = ?)", "Rock"),
+		Entry("tag is [string]", Is{"genre": "Rock"}, "exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value = ?)", "Rock"),
-		Entry("tag isNot [string]", IsNot{"genre": "Rock"}, "not exists (select 1 from json_tree(tags, '$.genre') where key='value' and value = ?)", "Rock"),
+		Entry("tag isNot [string]", IsNot{"genre": "Rock"}, "not exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value = ?)", "Rock"),
-		Entry("tag gt", Gt{"genre": "A"}, "exists (select 1 from json_tree(tags, '$.genre') where key='value' and value > ?)", "A"),
+		Entry("tag gt", Gt{"genre": "A"}, "exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value > ?)", "A"),
-		Entry("tag lt", Lt{"genre": "Z"}, "exists (select 1 from json_tree(tags, '$.genre') where key='value' and value < ?)", "Z"),
+		Entry("tag lt", Lt{"genre": "Z"}, "exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value < ?)", "Z"),
-		Entry("tag contains", Contains{"genre": "Rock"}, "exists (select 1 from json_tree(tags, '$.genre') where key='value' and value LIKE ?)", "%Rock%"),
+		Entry("tag contains", Contains{"genre": "Rock"}, "exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value LIKE ?)", "%Rock%"),
-		Entry("tag not contains", NotContains{"genre": "Rock"}, "not exists (select 1 from json_tree(tags, '$.genre') where key='value' and value LIKE ?)", "%Rock%"),
+		Entry("tag not contains", NotContains{"genre": "Rock"}, "not exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value LIKE ?)", "%Rock%"),
-		Entry("tag startsWith", StartsWith{"genre": "Soft"}, "exists (select 1 from json_tree(tags, '$.genre') where key='value' and value LIKE ?)", "Soft%"),
+		Entry("tag startsWith", StartsWith{"genre": "Soft"}, "exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value LIKE ?)", "Soft%"),
-		Entry("tag endsWith", EndsWith{"genre": "Rock"}, "exists (select 1 from json_tree(tags, '$.genre') where key='value' and value LIKE ?)", "%Rock"),
+		Entry("tag endsWith", EndsWith{"genre": "Rock"}, "exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value' and value LIKE ?)", "%Rock"),
 
 		// Artist roles tests
-		Entry("role is [string]", Is{"artist": "u2"}, "exists (select 1 from json_tree(participants, '$.artist') where key='name' and value = ?)", "u2"),
+		Entry("role is [string]", Is{"artist": "u2"}, "exists (select 1 from json_tree(media_file.participants, '$.artist') where key='name' and value = ?)", "u2"),
-		Entry("role isNot [string]", IsNot{"artist": "u2"}, "not exists (select 1 from json_tree(participants, '$.artist') where key='name' and value = ?)", "u2"),
+		Entry("role isNot [string]", IsNot{"artist": "u2"}, "not exists (select 1 from json_tree(media_file.participants, '$.artist') where key='name' and value = ?)", "u2"),
-		Entry("role contains [string]", Contains{"artist": "u2"}, "exists (select 1 from json_tree(participants, '$.artist') where key='name' and value LIKE ?)", "%u2%"),
+		Entry("role contains [string]", Contains{"artist": "u2"}, "exists (select 1 from json_tree(media_file.participants, '$.artist') where key='name' and value LIKE ?)", "%u2%"),
-		Entry("role not contains [string]", NotContains{"artist": "u2"}, "not exists (select 1 from json_tree(participants, '$.artist') where key='name' and value LIKE ?)", "%u2%"),
+		Entry("role not contains [string]", NotContains{"artist": "u2"}, "not exists (select 1 from json_tree(media_file.participants, '$.artist') where key='name' and value LIKE ?)", "%u2%"),
-		Entry("role startsWith [string]", StartsWith{"composer": "John"}, "exists (select 1 from json_tree(participants, '$.composer') where key='name' and value LIKE ?)", "John%"),
+		Entry("role startsWith [string]", StartsWith{"composer": "John"}, "exists (select 1 from json_tree(media_file.participants, '$.composer') where key='name' and value LIKE ?)", "John%"),
-		Entry("role endsWith [string]", EndsWith{"composer": "Lennon"}, "exists (select 1 from json_tree(participants, '$.composer') where key='name' and value LIKE ?)", "%Lennon"),
+		Entry("role endsWith [string]", EndsWith{"composer": "Lennon"}, "exists (select 1 from json_tree(media_file.participants, '$.composer') where key='name' and value LIKE ?)", "%Lennon"),
 	)
 
 	// TODO Validate operators that are not valid for each field type.
@@ -88,7 +108,7 @@ var _ = Describe("Operators", func() {
 			op := EndsWith{"mood": "Soft"}
 			sql, args, err := op.ToSql()
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
-			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(tags, '$.mood') where key='value' and value LIKE ?)"))
+			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(media_file.tags, '$.mood') where key='value' and value LIKE ?)"))
 			gomega.Expect(args).To(gomega.HaveExactElements("%Soft"))
 		})
 		It("casts numeric comparisons", func() {
@@ -96,7 +116,7 @@ var _ = Describe("Operators", func() {
 			op := Lt{"rate": 6}
 			sql, args, err := op.ToSql()
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
-			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(tags, '$.rate') where key='value' and CAST(value AS REAL) < ?)"))
+			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(media_file.tags, '$.rate') where key='value' and CAST(value AS REAL) < ?)"))
 			gomega.Expect(args).To(gomega.HaveExactElements(6))
 		})
 		It("skips unknown tag names", func() {
@@ -110,7 +130,7 @@ var _ = Describe("Operators", func() {
 			op := Contains{"releasetype": "soundtrack"}
 			sql, args, err := op.ToSql()
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
-			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(tags, '$.releasetype') where key='value' and value LIKE ?)"))
+			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(media_file.tags, '$.releasetype') where key='value' and value LIKE ?)"))
 			gomega.Expect(args).To(gomega.HaveExactElements("%soundtrack%"))
 		})
 		It("supports albumtype as alias for releasetype", func() {
@@ -118,7 +138,7 @@ var _ = Describe("Operators", func() {
 			op := Contains{"albumtype": "live"}
 			sql, args, err := op.ToSql()
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
-			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(tags, '$.releasetype') where key='value' and value LIKE ?)"))
+			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(media_file.tags, '$.releasetype') where key='value' and value LIKE ?)"))
 			gomega.Expect(args).To(gomega.HaveExactElements("%live%"))
 		})
 		It("supports albumtype alias with Is operator", func() {
@@ -127,7 +147,7 @@ var _ = Describe("Operators", func() {
 			sql, args, err := op.ToSql()
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
 			// Should query $.releasetype, not $.albumtype
-			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(tags, '$.releasetype') where key='value' and value = ?)"))
+			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(media_file.tags, '$.releasetype') where key='value' and value = ?)"))
 			gomega.Expect(args).To(gomega.HaveExactElements("album"))
 		})
 		It("supports albumtype alias with IsNot operator", func() {
@@ -136,7 +156,7 @@ var _ = Describe("Operators", func() {
 			sql, args, err := op.ToSql()
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
 			// Should query $.releasetype, not $.albumtype
-			gomega.Expect(sql).To(gomega.Equal("not exists (select 1 from json_tree(tags, '$.releasetype') where key='value' and value = ?)"))
+			gomega.Expect(sql).To(gomega.Equal("not exists (select 1 from json_tree(media_file.tags, '$.releasetype') where key='value' and value = ?)"))
 			gomega.Expect(args).To(gomega.HaveExactElements("compilation"))
 		})
 	})
@@ -147,7 +167,7 @@ var _ = Describe("Operators", func() {
 			op := EndsWith{"producer": "Eno"}
 			sql, args, err := op.ToSql()
 			gomega.Expect(err).ToNot(gomega.HaveOccurred())
-			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(participants, '$.producer') where key='name' and value LIKE ?)"))
+			gomega.Expect(sql).To(gomega.Equal("exists (select 1 from json_tree(media_file.participants, '$.producer') where key='name' and value LIKE ?)"))
 			gomega.Expect(args).To(gomega.HaveExactElements("%Eno"))
 		})
 		It("skips unknown roles", func() {

model/mediafile.go

@@ -95,12 +95,19 @@ type MediaFile struct {
 }
 
 func (mf MediaFile) FullTitle() string {
-	if conf.Server.Subsonic.AppendSubtitle && mf.Tags[TagSubtitle] != nil {
+	if conf.Server.Subsonic.AppendSubtitle && len(mf.Tags[TagSubtitle]) > 0 {
 		return fmt.Sprintf("%s (%s)", mf.Title, mf.Tags[TagSubtitle][0])
 	}
 	return mf.Title
 }
 
+func (mf MediaFile) FullAlbumName() string {
+	if conf.Server.Subsonic.AppendAlbumVersion && len(mf.Tags[TagAlbumVersion]) > 0 {
+		return fmt.Sprintf("%s (%s)", mf.Album, mf.Tags[TagAlbumVersion][0])
+	}
+	return mf.Album
+}
+
 func (mf MediaFile) ContentType() string {
 	return mime.TypeByExtension("." + mf.Suffix)
 }

model/mediafile_test.go

@@ -475,7 +475,29 @@ var _ = Describe("MediaFile", func() {
 		DeferCleanup(configtest.SetupConfig())
 		conf.Server.EnableMediaFileCoverArt = true
 	})
-	Describe(".CoverArtId()", func() {
+	DescribeTable("FullTitle",
+		func(enabled bool, tags Tags, expected string) {
+			conf.Server.Subsonic.AppendSubtitle = enabled
+			mf := MediaFile{Title: "Song", Tags: tags}
+			Expect(mf.FullTitle()).To(Equal(expected))
+		},
+		Entry("appends subtitle when enabled and tag is present", true, Tags{TagSubtitle: []string{"Live"}}, "Song (Live)"),
+		Entry("returns just title when disabled", false, Tags{TagSubtitle: []string{"Live"}}, "Song"),
+		Entry("returns just title when tag is absent", true, Tags{}, "Song"),
+		Entry("returns just title when tag is an empty slice", true, Tags{TagSubtitle: []string{}}, "Song"),
+	)
+	DescribeTable("FullAlbumName",
+		func(enabled bool, tags Tags, expected string) {
+			conf.Server.Subsonic.AppendAlbumVersion = enabled
+			mf := MediaFile{Album: "Album", Tags: tags}
+			Expect(mf.FullAlbumName()).To(Equal(expected))
+		},
+		Entry("appends version when enabled and tag is present", true, Tags{TagAlbumVersion: []string{"Deluxe Edition"}}, "Album (Deluxe Edition)"),
+		Entry("returns just album name when disabled", false, Tags{TagAlbumVersion: []string{"Deluxe Edition"}}, "Album"),
+		Entry("returns just album name when tag is absent", true, Tags{}, "Album"),
+		Entry("returns just album name when tag is an empty slice", true, Tags{TagAlbumVersion: []string{}}, "Album"),
+	)
+	Describe("CoverArtId()", func() {
 		It("returns its own id if it HasCoverArt", func() {
 			mf := MediaFile{ID: "111", AlbumID: "1", HasCoverArt: true}
 			id := mf.CoverArtID()

model/searchable.go

@@ -1,5 +1,5 @@
 package model
 
 type SearchableRepository[T any] interface {
-	Search(q string, offset, size int, options ...QueryOptions) (T, error)
+	Search(q string, options ...QueryOptions) (T, error)
 }

persistence/album_repository.go

@@ -12,7 +12,6 @@ import (
 
 	. "github.com/Masterminds/squirrel"
 	"github.com/deluan/rest"
-	"github.com/google/uuid"
 	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model"
@@ -62,11 +61,14 @@ func (a *dbAlbum) PostScan() error {
 
 func (a *dbAlbum) PostMapArgs(args map[string]any) error {
 	fullText := []string{a.Name, a.SortAlbumName, a.AlbumArtist}
-	fullText = append(fullText, a.Album.Participants.AllNames()...)
+	participantNames := a.Album.Participants.AllNames()
+	fullText = append(fullText, participantNames...)
 	fullText = append(fullText, slices.Collect(maps.Values(a.Album.Discs))...)
 	fullText = append(fullText, a.Album.Tags[model.TagAlbumVersion]...)
 	fullText = append(fullText, a.Album.Tags[model.TagCatalogNumber]...)
 	args["full_text"] = formatFullText(fullText...)
+	args["search_participants"] = strings.Join(participantNames, " ")
+	args["search_normalized"] = normalizeForFTS(a.Name, a.AlbumArtist)
 
 	args["tags"] = marshalTags(a.Album.Tags)
 	args["participants"] = marshalParticipants(a.Album.Participants)
@@ -350,18 +352,21 @@ func (r *albumRepository) purgeEmpty(libraryIDs ...int) error {
 	return nil
 }
 
-func (r *albumRepository) Search(q string, offset int, size int, options ...model.QueryOptions) (model.Albums, error) {
+var albumSearchConfig = searchConfig{
+	NaturalOrder: "album.rowid",
+	OrderBy:      []string{"name"},
+	MBIDFields:   []string{"mbz_album_id", "mbz_release_group_id"},
+}
+
+func (r *albumRepository) Search(q string, options ...model.QueryOptions) (model.Albums, error) {
+	var opts model.QueryOptions
+	if len(options) > 0 {
+		opts = options[0]
+	}
 	var res dbAlbums
-	if uuid.Validate(q) == nil {
+	err := r.doSearch(r.selectAlbum(options...), q, &res, albumSearchConfig, opts)
-		err := r.searchByMBID(r.selectAlbum(options...), q, []string{"mbz_album_id", "mbz_release_group_id"}, &res)
 	if err != nil {
-			return nil, fmt.Errorf("searching album by MBID %q: %w", q, err)
+		return nil, fmt.Errorf("searching album %q: %w", q, err)
-		}
-	} else {
-		err := r.doSearch(r.selectAlbum(options...), q, offset, size, &res, "album.rowid", "name")
-		if err != nil {
-			return nil, fmt.Errorf("searching album by query %q: %w", q, err)
-		}
 	}
 	return res.toModels(), nil
 }

persistence/album_repository_test.go

@@ -56,17 +56,23 @@ var _ = Describe("AlbumRepository", func() {
 		It("returns all records sorted", func() {
 			Expect(GetAll(model.QueryOptions{Sort: "name"})).To(Equal(model.Albums{
 				albumAbbeyRoad,
+				albumWithVersion,
+				albumCJK,
 				albumMultiDisc,
 				albumRadioactivity,
 				albumSgtPeppers,
+				albumPunctuation,
 			}))
 		})
 
 		It("returns all records sorted desc", func() {
 			Expect(GetAll(model.QueryOptions{Sort: "name", Order: "desc"})).To(Equal(model.Albums{
+				albumPunctuation,
 				albumSgtPeppers,
 				albumRadioactivity,
 				albumMultiDisc,
+				albumCJK,
+				albumWithVersion,
 				albumAbbeyRoad,
 			}))
 		})

persistence/artist_repository.go

@@ -11,7 +11,6 @@ import (
 
 	. "github.com/Masterminds/squirrel"
 	"github.com/deluan/rest"
-	"github.com/google/uuid"
 	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model"
@@ -102,6 +101,7 @@ func (a *dbArtist) PostMapArgs(m map[string]any) error {
 	similarArtists, _ := json.Marshal(sa)
 	m["similar_artists"] = string(similarArtists)
 	m["full_text"] = formatFullText(a.Name, a.SortArtistName)
+	m["search_normalized"] = normalizeForFTS(a.Name)
 
 	// Do not override the sort_artist_name and mbz_artist_id fields if they are empty
 	// TODO: Better way to handle this?
@@ -512,21 +512,26 @@ func (r *artistRepository) RefreshStats(allArtists bool) (int64, error) {
 	return totalRowsAffected, nil
 }
 
-func (r *artistRepository) Search(q string, offset int, size int, options ...model.QueryOptions) (model.Artists, error) {
+func (r *artistRepository) searchCfg() searchConfig {
-	var res dbArtists
+	return searchConfig{
-	if uuid.Validate(q) == nil {
-		err := r.searchByMBID(r.selectArtist(options...), q, []string{"mbz_artist_id"}, &res)
-		if err != nil {
-			return nil, fmt.Errorf("searching artist by MBID %q: %w", q, err)
-		}
-	} else {
 		// Natural order for artists is more performant by ID, due to GROUP BY clause in selectArtist
-		err := r.doSearch(r.selectArtist(options...), q, offset, size, &res, "artist.id",
+		NaturalOrder:  "artist.id",
-			"sum(json_extract(stats, '$.total.m')) desc", "name")
+		OrderBy:       []string{"sum(json_extract(stats, '$.total.m')) desc", "name"},
-		if err != nil {
+		MBIDFields:    []string{"mbz_artist_id"},
-			return nil, fmt.Errorf("searching artist by query %q: %w", q, err)
+		LibraryFilter: r.applyLibraryFilterToArtistQuery,
 	}
 }
+
+func (r *artistRepository) Search(q string, options ...model.QueryOptions) (model.Artists, error) {
+	var opts model.QueryOptions
+	if len(options) > 0 {
+		opts = options[0]
+	}
+	var res dbArtists
+	err := r.doSearch(r.selectArtist(options...), q, &res, r.searchCfg(), opts)
+	if err != nil {
+		return nil, fmt.Errorf("searching artist %q: %w", q, err)
+	}
 	return res.toModels(), nil
 }
 

persistence/artist_repository_test.go

@@ -193,7 +193,7 @@ var _ = Describe("ArtistRepository", func() {
 		Describe("Basic Operations", func() {
 			Describe("Count", func() {
 				It("returns the number of artists in the DB", func() {
-					Expect(repo.CountAll()).To(Equal(int64(2)))
+					Expect(repo.CountAll()).To(Equal(int64(4)))
 				})
 			})
 
@@ -228,13 +228,19 @@ var _ = Describe("ArtistRepository", func() {
 
 					idx, err := repo.GetIndex(false, []int{1})
 					Expect(err).ToNot(HaveOccurred())
-					Expect(idx).To(HaveLen(2))
+					Expect(idx).To(HaveLen(4))
 					Expect(idx[0].ID).To(Equal("F"))
 					Expect(idx[0].Artists).To(HaveLen(1))
 					Expect(idx[0].Artists[0].Name).To(Equal(artistBeatles.Name))
 					Expect(idx[1].ID).To(Equal("K"))
 					Expect(idx[1].Artists).To(HaveLen(1))
 					Expect(idx[1].Artists[0].Name).To(Equal(artistKraftwerk.Name))
+					Expect(idx[2].ID).To(Equal("R"))
+					Expect(idx[2].Artists).To(HaveLen(1))
+					Expect(idx[2].Artists[0].Name).To(Equal(artistPunctuation.Name))
+					Expect(idx[3].ID).To(Equal("S"))
+					Expect(idx[3].Artists).To(HaveLen(1))
+					Expect(idx[3].Artists[0].Name).To(Equal(artistCJK.Name))
 
 					// Restore the original value
 					artistBeatles.SortArtistName = ""
@@ -246,13 +252,19 @@ var _ = Describe("ArtistRepository", func() {
 				XIt("returns the index when PreferSortTags is true and SortArtistName is empty", func() {
 					idx, err := repo.GetIndex(false, []int{1})
 					Expect(err).ToNot(HaveOccurred())
-					Expect(idx).To(HaveLen(2))
+					Expect(idx).To(HaveLen(4))
 					Expect(idx[0].ID).To(Equal("B"))
 					Expect(idx[0].Artists).To(HaveLen(1))
 					Expect(idx[0].Artists[0].Name).To(Equal(artistBeatles.Name))
 					Expect(idx[1].ID).To(Equal("K"))
 					Expect(idx[1].Artists).To(HaveLen(1))
 					Expect(idx[1].Artists[0].Name).To(Equal(artistKraftwerk.Name))
+					Expect(idx[2].ID).To(Equal("R"))
+					Expect(idx[2].Artists).To(HaveLen(1))
+					Expect(idx[2].Artists[0].Name).To(Equal(artistPunctuation.Name))
+					Expect(idx[3].ID).To(Equal("S"))
+					Expect(idx[3].Artists).To(HaveLen(1))
+					Expect(idx[3].Artists[0].Name).To(Equal(artistCJK.Name))
 				})
 			})
 
@@ -268,13 +280,19 @@ var _ = Describe("ArtistRepository", func() {
 
 					idx, err := repo.GetIndex(false, []int{1})
 					Expect(err).ToNot(HaveOccurred())
-					Expect(idx).To(HaveLen(2))
+					Expect(idx).To(HaveLen(4))
 					Expect(idx[0].ID).To(Equal("B"))
 					Expect(idx[0].Artists).To(HaveLen(1))
 					Expect(idx[0].Artists[0].Name).To(Equal(artistBeatles.Name))
 					Expect(idx[1].ID).To(Equal("K"))
 					Expect(idx[1].Artists).To(HaveLen(1))
 					Expect(idx[1].Artists[0].Name).To(Equal(artistKraftwerk.Name))
+					Expect(idx[2].ID).To(Equal("R"))
+					Expect(idx[2].Artists).To(HaveLen(1))
+					Expect(idx[2].Artists[0].Name).To(Equal(artistPunctuation.Name))
+					Expect(idx[3].ID).To(Equal("S"))
+					Expect(idx[3].Artists).To(HaveLen(1))
+					Expect(idx[3].Artists[0].Name).To(Equal(artistCJK.Name))
 
 					// Restore the original value
 					artistBeatles.SortArtistName = ""
@@ -285,13 +303,19 @@ var _ = Describe("ArtistRepository", func() {
 				It("returns the index when SortArtistName is empty", func() {
 					idx, err := repo.GetIndex(false, []int{1})
 					Expect(err).ToNot(HaveOccurred())
-					Expect(idx).To(HaveLen(2))
+					Expect(idx).To(HaveLen(4))
 					Expect(idx[0].ID).To(Equal("B"))
 					Expect(idx[0].Artists).To(HaveLen(1))
 					Expect(idx[0].Artists[0].Name).To(Equal(artistBeatles.Name))
 					Expect(idx[1].ID).To(Equal("K"))
 					Expect(idx[1].Artists).To(HaveLen(1))
 					Expect(idx[1].Artists[0].Name).To(Equal(artistKraftwerk.Name))
+					Expect(idx[2].ID).To(Equal("R"))
+					Expect(idx[2].Artists).To(HaveLen(1))
+					Expect(idx[2].Artists[0].Name).To(Equal(artistPunctuation.Name))
+					Expect(idx[3].ID).To(Equal("S"))
+					Expect(idx[3].Artists).To(HaveLen(1))
+					Expect(idx[3].Artists[0].Name).To(Equal(artistCJK.Name))
 				})
 			})
 
@@ -377,7 +401,7 @@ var _ = Describe("ArtistRepository", func() {
 					// Admin users can see all content when valid library IDs are provided
 					idx, err := repo.GetIndex(false, []int{1})
 					Expect(err).ToNot(HaveOccurred())
-					Expect(idx).To(HaveLen(2))
+					Expect(idx).To(HaveLen(4))
 
 					// With non-existent library ID, admin users see no content because no artists are associated with that library
 					idx, err = repo.GetIndex(false, []int{999})
@@ -488,7 +512,7 @@ var _ = Describe("ArtistRepository", func() {
 					Expect(err).ToNot(HaveOccurred())
 
 					// Test the search
-					results, err := (*testRepo).Search("550e8400-e29b-41d4-a716-446655440010", 0, 10)
+					results, err := (*testRepo).Search("550e8400-e29b-41d4-a716-446655440010", model.QueryOptions{Max: 10})
 					Expect(err).ToNot(HaveOccurred())
 
 					if shouldFind {
@@ -519,12 +543,12 @@ var _ = Describe("ArtistRepository", func() {
 				Expect(err).ToNot(HaveOccurred())
 
 				// Restricted user should not find this artist
-				results, err := restrictedRepo.Search("a74b1b7f-71a5-4011-9441-d0b5e4122711", 0, 10)
+				results, err := restrictedRepo.Search("a74b1b7f-71a5-4011-9441-d0b5e4122711", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(BeEmpty())
 
 				// But admin should find it
-				results, err = repo.Search("a74b1b7f-71a5-4011-9441-d0b5e4122711", 0, 10)
+				results, err = repo.Search("a74b1b7f-71a5-4011-9441-d0b5e4122711", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(HaveLen(1))
 
@@ -536,7 +560,7 @@ var _ = Describe("ArtistRepository", func() {
 
 			Context("Text Search", func() {
 				It("allows admin to find artists by name regardless of library", func() {
-					results, err := repo.Search("Beatles", 0, 10)
+					results, err := repo.Search("Beatles", model.QueryOptions{Max: 10})
 					Expect(err).ToNot(HaveOccurred())
 					Expect(results).To(HaveLen(1))
 					Expect(results[0].Name).To(Equal("The Beatles"))
@@ -556,7 +580,7 @@ var _ = Describe("ArtistRepository", func() {
 					Expect(err).ToNot(HaveOccurred())
 
 					// Restricted user should not find this artist
-					results, err := restrictedRepo.Search("Unique Search Name", 0, 10)
+					results, err := restrictedRepo.Search("Unique Search Name", model.QueryOptions{Max: 10})
 					Expect(err).ToNot(HaveOccurred())
 					Expect(results).To(BeEmpty(), "Text search should respect library filtering")
 
@@ -625,11 +649,11 @@ var _ = Describe("ArtistRepository", func() {
 			It("sees all artists regardless of library permissions", func() {
 				count, err := repo.CountAll()
 				Expect(err).ToNot(HaveOccurred())
-				Expect(count).To(Equal(int64(2)))
+				Expect(count).To(Equal(int64(4)))
 
 				artists, err := repo.GetAll()
 				Expect(err).ToNot(HaveOccurred())
-				Expect(artists).To(HaveLen(2))
+				Expect(artists).To(HaveLen(4))
 
 				exists, err := repo.Exists(artistBeatles.ID)
 				Expect(err).ToNot(HaveOccurred())
@@ -661,10 +685,10 @@ var _ = Describe("ArtistRepository", func() {
 				// Should see missing artist in GetAll by default for admin users
 				artists, err := repo.GetAll()
 				Expect(err).ToNot(HaveOccurred())
-				Expect(artists).To(HaveLen(3)) // Including the missing artist
+				Expect(artists).To(HaveLen(5)) // Including the missing artist
 
 				// Search never returns missing artists (hardcoded behavior)
-				results, err := repo.Search("Missing Artist", 0, 10)
+				results, err := repo.Search("Missing Artist", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(BeEmpty())
 			})
@@ -718,11 +742,11 @@ var _ = Describe("ArtistRepository", func() {
 			})
 
 			It("Search returns empty results for users without library access", func() {
-				results, err := restrictedRepo.Search("Beatles", 0, 10)
+				results, err := restrictedRepo.Search("Beatles", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(BeEmpty())
 
-				results, err = restrictedRepo.Search("Kraftwerk", 0, 10)
+				results, err = restrictedRepo.Search("Kraftwerk", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(BeEmpty())
 			})
@@ -767,19 +791,19 @@ var _ = Describe("ArtistRepository", func() {
 			It("CountAll returns correct count after gaining access", func() {
 				count, err := restrictedRepo.CountAll()
 				Expect(err).ToNot(HaveOccurred())
-				Expect(count).To(Equal(int64(2))) // Beatles and Kraftwerk
+				Expect(count).To(Equal(int64(4))) // Beatles, Kraftwerk, Seatbelts, and The Roots
 			})
 
 			It("GetAll returns artists after gaining access", func() {
 				artists, err := restrictedRepo.GetAll()
 				Expect(err).ToNot(HaveOccurred())
-				Expect(artists).To(HaveLen(2))
+				Expect(artists).To(HaveLen(4))
 
 				var names []string
 				for _, artist := range artists {
 					names = append(names, artist.Name)
 				}
-				Expect(names).To(ContainElements("The Beatles", "Kraftwerk"))
+				Expect(names).To(ContainElements("The Beatles", "Kraftwerk", "シートベルツ", "The Roots"))
 			})
 
 			It("Exists returns true for accessible artists", func() {
@@ -796,7 +820,7 @@ var _ = Describe("ArtistRepository", func() {
 				// With valid library access, should see artists
 				idx, err := restrictedRepo.GetIndex(false, []int{1})
 				Expect(err).ToNot(HaveOccurred())
-				Expect(idx).To(HaveLen(2))
+				Expect(idx).To(HaveLen(4))
 
 				// With non-existent library ID, should see nothing (non-admin user)
 				idx, err = restrictedRepo.GetIndex(false, []int{999})

persistence/mediafile_repository.go

@@ -11,7 +11,6 @@ import (
 
 	. "github.com/Masterminds/squirrel"
 	"github.com/deluan/rest"
-	"github.com/google/uuid"
 	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model"
@@ -58,8 +57,11 @@ func (m *dbMediaFile) PostScan() error {
 func (m *dbMediaFile) PostMapArgs(args map[string]any) error {
 	fullText := []string{m.FullTitle(), m.Album, m.Artist, m.AlbumArtist,
 		m.SortTitle, m.SortAlbumName, m.SortArtistName, m.SortAlbumArtistName, m.DiscSubtitle}
-	fullText = append(fullText, m.MediaFile.Participants.AllNames()...)
+	participantNames := m.MediaFile.Participants.AllNames()
+	fullText = append(fullText, participantNames...)
 	args["full_text"] = formatFullText(fullText...)
+	args["search_participants"] = strings.Join(participantNames, " ")
+	args["search_normalized"] = normalizeForFTS(m.FullTitle(), m.Album, m.Artist, m.AlbumArtist)
 	args["tags"] = marshalTags(m.MediaFile.Tags)
 	args["participants"] = marshalParticipants(m.MediaFile.Participants)
 	return nil
@@ -425,18 +427,21 @@ func (r *mediaFileRepository) FindRecentFilesByProperties(missing model.MediaFil
 	return res.toModels(), nil
 }
 
-func (r *mediaFileRepository) Search(q string, offset int, size int, options ...model.QueryOptions) (model.MediaFiles, error) {
+var mediaFileSearchConfig = searchConfig{
+	NaturalOrder: "media_file.rowid",
+	OrderBy:      []string{"title"},
+	MBIDFields:   []string{"mbz_recording_id", "mbz_release_track_id"},
+}
+
+func (r *mediaFileRepository) Search(q string, options ...model.QueryOptions) (model.MediaFiles, error) {
+	var opts model.QueryOptions
+	if len(options) > 0 {
+		opts = options[0]
+	}
 	var res dbMediaFiles
-	if uuid.Validate(q) == nil {
+	err := r.doSearch(r.selectMediaFile(options...), q, &res, mediaFileSearchConfig, opts)
-		err := r.searchByMBID(r.selectMediaFile(options...), q, []string{"mbz_recording_id", "mbz_release_track_id"}, &res)
 	if err != nil {
-			return nil, fmt.Errorf("searching media_file by MBID %q: %w", q, err)
+		return nil, fmt.Errorf("searching media_file %q: %w", q, err)
-		}
-	} else {
-		err := r.doSearch(r.selectMediaFile(options...), q, offset, size, &res, "media_file.rowid", "title")
-		if err != nil {
-			return nil, fmt.Errorf("searching media_file by query %q: %w", q, err)
-		}
 	}
 	return res.toModels(), nil
 }

persistence/mediafile_repository_test.go

@@ -39,7 +39,7 @@ var _ = Describe("MediaRepository", func() {
 	})
 
 	It("counts the number of mediafiles in the DB", func() {
-		Expect(mr.CountAll()).To(Equal(int64(10)))
+		Expect(mr.CountAll()).To(Equal(int64(13)))
 	})
 
 	Describe("CountBySuffix", func() {
@@ -527,7 +527,7 @@ var _ = Describe("MediaRepository", func() {
 	Describe("Search", func() {
 		Context("text search", func() {
 			It("finds media files by title", func() {
-				results, err := mr.Search("Antenna", 0, 10)
+				results, err := mr.Search("Antenna", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(HaveLen(3)) // songAntenna, songAntennaWithLyrics, songAntenna2
 				for _, result := range results {
@@ -536,7 +536,7 @@ var _ = Describe("MediaRepository", func() {
 			})
 
 			It("finds media files case insensitively", func() {
-				results, err := mr.Search("antenna", 0, 10)
+				results, err := mr.Search("antenna", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(HaveLen(3))
 				for _, result := range results {
@@ -545,7 +545,7 @@ var _ = Describe("MediaRepository", func() {
 			})
 
 			It("returns empty result when no matches found", func() {
-				results, err := mr.Search("nonexistent", 0, 10)
+				results, err := mr.Search("nonexistent", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(BeEmpty())
 			})
@@ -578,7 +578,7 @@ var _ = Describe("MediaRepository", func() {
 			})
 
 			It("finds media file by mbz_recording_id", func() {
-				results, err := mr.Search("550e8400-e29b-41d4-a716-446655440020", 0, 10)
+				results, err := mr.Search("550e8400-e29b-41d4-a716-446655440020", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(HaveLen(1))
 				Expect(results[0].ID).To(Equal("test-mbid-mediafile"))
@@ -586,7 +586,7 @@ var _ = Describe("MediaRepository", func() {
 			})
 
 			It("finds media file by mbz_release_track_id", func() {
-				results, err := mr.Search("550e8400-e29b-41d4-a716-446655440021", 0, 10)
+				results, err := mr.Search("550e8400-e29b-41d4-a716-446655440021", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(HaveLen(1))
 				Expect(results[0].ID).To(Equal("test-mbid-mediafile"))
@@ -594,7 +594,7 @@ var _ = Describe("MediaRepository", func() {
 			})
 
 			It("returns empty result when MBID is not found", func() {
-				results, err := mr.Search("550e8400-e29b-41d4-a716-446655440099", 0, 10)
+				results, err := mr.Search("550e8400-e29b-41d4-a716-446655440099", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(BeEmpty())
 			})
@@ -614,7 +614,7 @@ var _ = Describe("MediaRepository", func() {
 				Expect(err).ToNot(HaveOccurred())
 
 				// Search never returns missing media files (hardcoded behavior)
-				results, err := mr.Search("550e8400-e29b-41d4-a716-446655440022", 0, 10)
+				results, err := mr.Search("550e8400-e29b-41d4-a716-446655440022", model.QueryOptions{Max: 10})
 				Expect(err).ToNot(HaveOccurred())
 				Expect(results).To(BeEmpty())
 

persistence/persistence_suite_test.go

@@ -56,12 +56,22 @@ func al(al model.Album) model.Album {
 	return al
 }
 
+func alWithTags(a model.Album, tags model.Tags) model.Album {
+	a = al(a)
+	a.Tags = tags
+	return a
+}
+
 var (
 	artistKraftwerk   = model.Artist{ID: "2", Name: "Kraftwerk", OrderArtistName: "kraftwerk"}
 	artistBeatles     = model.Artist{ID: "3", Name: "The Beatles", OrderArtistName: "beatles"}
+	artistCJK         = model.Artist{ID: "4", Name: "シートベルツ", SortArtistName: "Seatbelts", OrderArtistName: "seatbelts"}
+	artistPunctuation = model.Artist{ID: "5", Name: "The Roots", OrderArtistName: "roots"}
 	testArtists       = model.Artists{
 		artistKraftwerk,
 		artistBeatles,
+		artistCJK,
+		artistPunctuation,
 	}
 )
 
@@ -70,11 +80,18 @@ var (
 	albumAbbeyRoad     = al(model.Album{ID: "102", Name: "Abbey Road", AlbumArtist: "The Beatles", OrderAlbumName: "abbey road", AlbumArtistID: "3", EmbedArtPath: p("/beatles/1/come together.mp3"), SongCount: 1, MaxYear: 1969})
 	albumRadioactivity = al(model.Album{ID: "103", Name: "Radioactivity", AlbumArtist: "Kraftwerk", OrderAlbumName: "radioactivity", AlbumArtistID: "2", EmbedArtPath: p("/kraft/radio/radio.mp3"), SongCount: 2})
 	albumMultiDisc     = al(model.Album{ID: "104", Name: "Multi Disc Album", AlbumArtist: "Test Artist", OrderAlbumName: "multi disc album", AlbumArtistID: "1", EmbedArtPath: p("/test/multi/disc1/track1.mp3"), SongCount: 4})
+	albumCJK           = al(model.Album{ID: "105", Name: "COWBOY BEBOP", AlbumArtist: "シートベルツ", OrderAlbumName: "cowboy bebop", AlbumArtistID: "4", EmbedArtPath: p("/seatbelts/cowboy-bebop/track1.mp3"), SongCount: 1})
+	albumWithVersion   = alWithTags(model.Album{ID: "106", Name: "Abbey Road", AlbumArtist: "The Beatles", OrderAlbumName: "abbey road", AlbumArtistID: "3", EmbedArtPath: p("/beatles/2/come together.mp3"), SongCount: 1, MaxYear: 2019},
+		model.Tags{model.TagAlbumVersion: {"Deluxe Edition"}})
+	albumPunctuation = al(model.Album{ID: "107", Name: "Things Fall Apart", AlbumArtist: "The Roots", OrderAlbumName: "things fall apart", AlbumArtistID: "5", EmbedArtPath: p("/roots/things/track1.mp3"), SongCount: 1})
 	testAlbums       = model.Albums{
 		albumSgtPeppers,
 		albumAbbeyRoad,
 		albumRadioactivity,
 		albumMultiDisc,
+		albumCJK,
+		albumWithVersion,
+		albumPunctuation,
 	}
 )
 
@@ -101,6 +118,9 @@ var (
 	songDisc1Track01 = mf(model.MediaFile{ID: "2002", Title: "Disc 1 Track 1", ArtistID: "1", Artist: "Test Artist", AlbumID: "104", Album: "Multi Disc Album", DiscNumber: 1, TrackNumber: 1, Path: p("/test/multi/disc1/track1.mp3"), OrderAlbumName: "multi disc album", OrderArtistName: "test artist"})
 	songDisc2Track01 = mf(model.MediaFile{ID: "2003", Title: "Disc 2 Track 1", ArtistID: "1", Artist: "Test Artist", AlbumID: "104", Album: "Multi Disc Album", DiscNumber: 2, TrackNumber: 1, Path: p("/test/multi/disc2/track1.mp3"), OrderAlbumName: "multi disc album", OrderArtistName: "test artist"})
 	songDisc1Track02 = mf(model.MediaFile{ID: "2004", Title: "Disc 1 Track 2", ArtistID: "1", Artist: "Test Artist", AlbumID: "104", Album: "Multi Disc Album", DiscNumber: 1, TrackNumber: 2, Path: p("/test/multi/disc1/track2.mp3"), OrderAlbumName: "multi disc album", OrderArtistName: "test artist"})
+	songCJK          = mf(model.MediaFile{ID: "3001", Title: "プラチナ・ジェット", ArtistID: "4", Artist: "シートベルツ", AlbumID: "105", Album: "COWBOY BEBOP", Path: p("/seatbelts/cowboy-bebop/track1.mp3")})
+	songVersioned    = mf(model.MediaFile{ID: "3002", Title: "Come Together", ArtistID: "3", Artist: "The Beatles", AlbumID: "106", Album: "Abbey Road", Path: p("/beatles/2/come together.mp3")})
+	songPunctuation  = mf(model.MediaFile{ID: "3003", Title: "!!!!!!!", ArtistID: "5", Artist: "The Roots", AlbumID: "107", Album: "Things Fall Apart", Path: p("/roots/things/track1.mp3")})
 	testSongs        = model.MediaFiles{
 		songDayInALife,
 		songComeTogether,
@@ -112,6 +132,9 @@ var (
 		songDisc1Track01,
 		songDisc2Track01,
 		songDisc1Track02,
+		songCJK,
+		songVersioned,
+		songPunctuation,
 	}
 )
 

persistence/playlist_repository.go

@@ -96,16 +96,6 @@ func (r *playlistRepository) Exists(id string) (bool, error) {
 }
 
 func (r *playlistRepository) Delete(id string) error {
-	usr := loggedUser(r.ctx)
-	if !usr.IsAdmin {
-		pls, err := r.Get(id)
-		if err != nil {
-			return err
-		}
-		if pls.OwnerID != usr.ID {
-			return rest.ErrPermissionDenied
-		}
-	}
 	return r.delete(And{Eq{"id": id}, r.userFilter()})
 }
 
@@ -113,14 +103,6 @@ func (r *playlistRepository) Put(p *model.Playlist) error {
 	pls := dbPlaylist{Playlist: *p}
 	if pls.ID == "" {
 		pls.CreatedAt = time.Now()
-	} else {
-		ok, err := r.Exists(pls.ID)
-		if err != nil {
-			return err
-		}
-		if !ok {
-			return model.ErrNotAuthorized
-		}
 	}
 	pls.UpdatedAt = time.Now()
 
@@ -132,7 +114,6 @@ func (r *playlistRepository) Put(p *model.Playlist) error {
 
 	if p.IsSmartPlaylist() {
 		// Do not update tracks at this point, as it may take a long time and lock the DB, breaking the scan process
-		//r.refreshSmartPlaylist(p)
 		return nil
 	}
 	// Only update tracks if they were specified
@@ -263,7 +244,22 @@ func (r *playlistRepository) refreshSmartPlaylist(pls *model.Playlist) bool {
 		From("media_file").LeftJoin("annotation on ("+
 		"annotation.item_id = media_file.id"+
 		" AND annotation.item_type = 'media_file'"+
-		" AND annotation.user_id = '" + usr.ID + "')")
+		" AND annotation.user_id = ?)", usr.ID)
+
+	// Conditionally join album/artist annotation tables only when referenced by criteria or sort
+	requiredJoins := rules.RequiredJoins()
+	if requiredJoins.Has(criteria.JoinAlbumAnnotation) {
+		sq = sq.LeftJoin("annotation AS album_annotation ON ("+
+			"album_annotation.item_id = media_file.album_id"+
+			" AND album_annotation.item_type = 'album'"+
+			" AND album_annotation.user_id = ?)", usr.ID)
+	}
+	if requiredJoins.Has(criteria.JoinArtistAnnotation) {
+		sq = sq.LeftJoin("annotation AS artist_annotation ON ("+
+			"artist_annotation.item_id = media_file.artist_id"+
+			" AND artist_annotation.item_type = 'artist'"+
+			" AND artist_annotation.user_id = ?)", usr.ID)
+	}
 
 	// Only include media files from libraries the user has access to
 	sq = r.applyLibraryFilter(sq, "media_file")
@@ -320,10 +316,6 @@ func (r *playlistRepository) updateTracks(id string, tracks model.MediaFiles) er
 }
 
 func (r *playlistRepository) updatePlaylist(playlistId string, mediaFileIds []string) error {
-	if !r.isWritable(playlistId) {
-		return rest.ErrPermissionDenied
-	}
-
 	// Remove old tracks
 	del := Delete("playlist_tracks").Where(Eq{"playlist_id": playlistId})
 	_, err := r.executeSQL(del)
@@ -439,8 +431,7 @@ func (r *playlistRepository) NewInstance() any {
 
 func (r *playlistRepository) Save(entity any) (string, error) {
 	pls := entity.(*model.Playlist)
-	pls.OwnerID = loggedUser(r.ctx).ID
+	pls.ID = "" // Force new creation
-	pls.ID = "" // Make sure we don't override an existing playlist
 	err := r.Put(pls)
 	if err != nil {
 		return "", err
@@ -450,24 +441,9 @@ func (r *playlistRepository) Save(entity any) (string, error) {
 
 func (r *playlistRepository) Update(id string, entity any, cols ...string) error {
 	pls := dbPlaylist{Playlist: *entity.(*model.Playlist)}
-	current, err := r.Get(id)
-	if err != nil {
-		return err
-	}
-	usr := loggedUser(r.ctx)
-	if !usr.IsAdmin {
-		// Only the owner can update the playlist
-		if current.OwnerID != usr.ID {
-			return rest.ErrPermissionDenied
-		}
-		// Regular users can't change the ownership of a playlist
-		if pls.OwnerID != "" && pls.OwnerID != usr.ID {
-			return rest.ErrPermissionDenied
-		}
-	}
 	pls.ID = id
 	pls.UpdatedAt = time.Now()
-	_, err = r.put(id, pls, append(cols, "updatedAt")...)
+	_, err := r.put(id, pls, append(cols, "updatedAt")...)
 	if errors.Is(err, model.ErrNotFound) {
 		return rest.ErrNotFound
 	}
@@ -507,23 +483,31 @@ func (r *playlistRepository) removeOrphans() error {
 	return nil
 }
 
+// renumber updates the position of all tracks in the playlist to be sequential starting from 1, ordered by their
+// current position. This is needed after removing orphan tracks, to ensure there are no gaps in the track numbering.
+// The two-step approach (negate then reassign via CTE) avoids UNIQUE constraint violations on (playlist_id, id).
 func (r *playlistRepository) renumber(id string) error {
-	var ids []string
+	// Step 1: Negate all IDs to clear the positive ID space
-	sq := Select("media_file_id").From("playlist_tracks").Where(Eq{"playlist_id": id}).OrderBy("id")
+	_, err := r.executeSQL(Expr(
-	err := r.queryAllSlice(sq, &ids)
+		`UPDATE playlist_tracks SET id = -id WHERE playlist_id = ? AND id > 0`, id))
 	if err != nil {
 		return err
 	}
-	return r.updatePlaylist(id, ids)
+	// Step 2: Assign new sequential positive IDs using UPDATE...FROM with a CTE.
+	// The CTE is fully materialized before the UPDATE begins, avoiding self-referencing issues.
+	// ORDER BY id DESC restores original order since IDs are now negative.
+	_, err = r.executeSQL(Expr(
+		`WITH new_ids AS (
+			SELECT rowid as rid, ROW_NUMBER() OVER (ORDER BY id DESC) as new_id
+			FROM playlist_tracks WHERE playlist_id = ?
+		)
+		UPDATE playlist_tracks SET id = new_ids.new_id
+		FROM new_ids
+		WHERE playlist_tracks.rowid = new_ids.rid AND playlist_tracks.playlist_id = ?`, id, id))
+	if err != nil {
+		return err
 	}
-
+	return r.refreshCounters(&model.Playlist{ID: id})
-func (r *playlistRepository) isWritable(playlistId string) bool {
-	usr := loggedUser(r.ctx)
-	if usr.IsAdmin {
-		return true
-	}
-	pls, err := r.Get(playlistId)
-	return err == nil && pls.OwnerID == usr.ID
 }
 
 var _ model.PlaylistRepository = (*playlistRepository)(nil)

persistence/playlist_repository_test.go

@@ -287,6 +287,106 @@ var _ = Describe("PlaylistRepository", func() {
 		})
 	})
 
+	Describe("Smart Playlists with Album/Artist Annotation Criteria", func() {
+		var testPlaylistID string
+
+		AfterEach(func() {
+			if testPlaylistID != "" {
+				_ = repo.Delete(testPlaylistID)
+				testPlaylistID = ""
+			}
+		})
+
+		It("matches tracks from starred albums using albumLoved", func() {
+			// albumRadioactivity (ID "103") is starred in test fixtures
+			// Songs in album 103: 1003, 1004, 1005, 1006
+			rules := &criteria.Criteria{
+				Expression: criteria.All{
+					criteria.Is{"albumLoved": true},
+				},
+			}
+			newPls := model.Playlist{Name: "Starred Album Songs", OwnerID: "userid", Rules: rules}
+			Expect(repo.Put(&newPls)).To(Succeed())
+			testPlaylistID = newPls.ID
+
+			conf.Server.SmartPlaylistRefreshDelay = -1 * time.Second
+			pls, err := repo.GetWithTracks(newPls.ID, true, false)
+			Expect(err).ToNot(HaveOccurred())
+
+			trackIDs := make([]string, len(pls.Tracks))
+			for i, t := range pls.Tracks {
+				trackIDs[i] = t.MediaFileID
+			}
+			Expect(trackIDs).To(ConsistOf("1003", "1004", "1005", "1006"))
+		})
+
+		It("matches tracks from starred artists using artistLoved", func() {
+			// artistBeatles (ID "3") is starred in test fixtures
+			// Songs with ArtistID "3": 1001, 1002, 3002
+			rules := &criteria.Criteria{
+				Expression: criteria.All{
+					criteria.Is{"artistLoved": true},
+				},
+			}
+			newPls := model.Playlist{Name: "Starred Artist Songs", OwnerID: "userid", Rules: rules}
+			Expect(repo.Put(&newPls)).To(Succeed())
+			testPlaylistID = newPls.ID
+
+			conf.Server.SmartPlaylistRefreshDelay = -1 * time.Second
+			pls, err := repo.GetWithTracks(newPls.ID, true, false)
+			Expect(err).ToNot(HaveOccurred())
+
+			trackIDs := make([]string, len(pls.Tracks))
+			for i, t := range pls.Tracks {
+				trackIDs[i] = t.MediaFileID
+			}
+			Expect(trackIDs).To(ConsistOf("1001", "1002", "3002"))
+		})
+
+		It("matches tracks with combined album and artist criteria", func() {
+			// albumLoved=true → songs from album 103 (1003, 1004, 1005, 1006)
+			// artistLoved=true → songs with artist 3 (1001, 1002)
+			// Using Any: union of both sets
+			rules := &criteria.Criteria{
+				Expression: criteria.Any{
+					criteria.Is{"albumLoved": true},
+					criteria.Is{"artistLoved": true},
+				},
+			}
+			newPls := model.Playlist{Name: "Combined Album+Artist", OwnerID: "userid", Rules: rules}
+			Expect(repo.Put(&newPls)).To(Succeed())
+			testPlaylistID = newPls.ID
+
+			conf.Server.SmartPlaylistRefreshDelay = -1 * time.Second
+			pls, err := repo.GetWithTracks(newPls.ID, true, false)
+			Expect(err).ToNot(HaveOccurred())
+
+			trackIDs := make([]string, len(pls.Tracks))
+			for i, t := range pls.Tracks {
+				trackIDs[i] = t.MediaFileID
+			}
+			Expect(trackIDs).To(ConsistOf("1001", "1002", "1003", "1004", "1005", "1006", "3002"))
+		})
+
+		It("returns no tracks when no albums/artists match", func() {
+			// No album has rating 5 in fixtures
+			rules := &criteria.Criteria{
+				Expression: criteria.All{
+					criteria.Is{"albumRating": 5},
+				},
+			}
+			newPls := model.Playlist{Name: "No Match", OwnerID: "userid", Rules: rules}
+			Expect(repo.Put(&newPls)).To(Succeed())
+			testPlaylistID = newPls.ID
+
+			conf.Server.SmartPlaylistRefreshDelay = -1 * time.Second
+			pls, err := repo.GetWithTracks(newPls.ID, true, false)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(pls.Tracks).To(BeEmpty())
+		})
+	})
+
 	Describe("Smart Playlists with Tag Criteria", func() {
 		var mfRepo model.MediaFileRepository
 		var testPlaylistID string
@@ -401,6 +501,79 @@ var _ = Describe("PlaylistRepository", func() {
 		})
 	})
 
+	Describe("Track Deletion and Renumbering", func() {
+		var testPlaylistID string
+
+		AfterEach(func() {
+			if testPlaylistID != "" {
+				Expect(repo.Delete(testPlaylistID)).To(BeNil())
+				testPlaylistID = ""
+			}
+		})
+
+		// helper to get track positions and media file IDs
+		getTrackInfo := func(playlistID string) (ids []string, mediaFileIDs []string) {
+			pls, err := repo.GetWithTracks(playlistID, false, false)
+			Expect(err).ToNot(HaveOccurred())
+			for _, t := range pls.Tracks {
+				ids = append(ids, t.ID)
+				mediaFileIDs = append(mediaFileIDs, t.MediaFileID)
+			}
+			return
+		}
+
+		It("renumbers correctly after deleting a track from the middle", func() {
+			By("creating a playlist with 4 tracks")
+			newPls := model.Playlist{Name: "Renumber Test Middle", OwnerID: "userid"}
+			newPls.AddMediaFilesByID([]string{"1001", "1002", "1003", "1004"})
+			Expect(repo.Put(&newPls)).To(Succeed())
+			testPlaylistID = newPls.ID
+
+			By("deleting the second track (position 2)")
+			tracksRepo := repo.Tracks(newPls.ID, false)
+			Expect(tracksRepo.Delete("2")).To(Succeed())
+
+			By("verifying remaining tracks are renumbered sequentially")
+			ids, mediaFileIDs := getTrackInfo(newPls.ID)
+			Expect(ids).To(Equal([]string{"1", "2", "3"}))
+			Expect(mediaFileIDs).To(Equal([]string{"1001", "1003", "1004"}))
+		})
+
+		It("renumbers correctly after deleting the first track", func() {
+			By("creating a playlist with 3 tracks")
+			newPls := model.Playlist{Name: "Renumber Test First", OwnerID: "userid"}
+			newPls.AddMediaFilesByID([]string{"1001", "1002", "1003"})
+			Expect(repo.Put(&newPls)).To(Succeed())
+			testPlaylistID = newPls.ID
+
+			By("deleting the first track (position 1)")
+			tracksRepo := repo.Tracks(newPls.ID, false)
+			Expect(tracksRepo.Delete("1")).To(Succeed())
+
+			By("verifying remaining tracks are renumbered sequentially")
+			ids, mediaFileIDs := getTrackInfo(newPls.ID)
+			Expect(ids).To(Equal([]string{"1", "2"}))
+			Expect(mediaFileIDs).To(Equal([]string{"1002", "1003"}))
+		})
+
+		It("renumbers correctly after deleting the last track", func() {
+			By("creating a playlist with 3 tracks")
+			newPls := model.Playlist{Name: "Renumber Test Last", OwnerID: "userid"}
+			newPls.AddMediaFilesByID([]string{"1001", "1002", "1003"})
+			Expect(repo.Put(&newPls)).To(Succeed())
+			testPlaylistID = newPls.ID
+
+			By("deleting the last track (position 3)")
+			tracksRepo := repo.Tracks(newPls.ID, false)
+			Expect(tracksRepo.Delete("3")).To(Succeed())
+
+			By("verifying remaining tracks are renumbered sequentially")
+			ids, mediaFileIDs := getTrackInfo(newPls.ID)
+			Expect(ids).To(Equal([]string{"1", "2"}))
+			Expect(mediaFileIDs).To(Equal([]string{"1001", "1002"}))
+		})
+	})
+
 	Describe("Smart Playlists Library Filtering", func() {
 		var mfRepo model.MediaFileRepository
 		var testPlaylistID string

persistence/playlist_track_repository.go

@@ -140,15 +140,7 @@ func (r *playlistTrackRepository) NewInstance() any {
 	return &model.PlaylistTrack{}
 }
 
-func (r *playlistTrackRepository) isTracksEditable() bool {
-	return r.playlistRepo.isWritable(r.playlistId) && !r.playlist.IsSmartPlaylist()
-}
-
 func (r *playlistTrackRepository) Add(mediaFileIds []string) (int, error) {
-	if !r.isTracksEditable() {
-		return 0, rest.ErrPermissionDenied
-	}
-
 	if len(mediaFileIds) > 0 {
 		log.Debug(r.ctx, "Adding songs to playlist", "playlistId", r.playlistId, "mediaFileIds", mediaFileIds)
 	} else {
@@ -196,22 +188,7 @@ func (r *playlistTrackRepository) AddDiscs(discs []model.DiscID) (int, error) {
 	return r.addMediaFileIds(clauses)
 }
 
-// Get ids from all current tracks
-func (r *playlistTrackRepository) getTracks() ([]string, error) {
-	all := r.newSelect().Columns("media_file_id").Where(Eq{"playlist_id": r.playlistId}).OrderBy("id")
-	var ids []string
-	err := r.queryAllSlice(all, &ids)
-	if err != nil {
-		log.Error(r.ctx, "Error querying current tracks from playlist", "playlistId", r.playlistId, err)
-		return nil, err
-	}
-	return ids, nil
-}
-
 func (r *playlistTrackRepository) Delete(ids ...string) error {
-	if !r.isTracksEditable() {
-		return rest.ErrPermissionDenied
-	}
 	err := r.delete(And{Eq{"playlist_id": r.playlistId}, Eq{"id": ids}})
 	if err != nil {
 		return err
@@ -221,9 +198,6 @@ func (r *playlistTrackRepository) Delete(ids ...string) error {
 }
 
 func (r *playlistTrackRepository) DeleteAll() error {
-	if !r.isTracksEditable() {
-		return rest.ErrPermissionDenied
-	}
 	err := r.delete(Eq{"playlist_id": r.playlistId})
 	if err != nil {
 		return err
@@ -232,16 +206,45 @@ func (r *playlistTrackRepository) DeleteAll() error {
 	return r.playlistRepo.renumber(r.playlistId)
 }
 
+// Reorder moves a track from pos to newPos, shifting other tracks accordingly.
 func (r *playlistTrackRepository) Reorder(pos int, newPos int) error {
-	if !r.isTracksEditable() {
+	if pos == newPos {
-		return rest.ErrPermissionDenied
+		return nil
 	}
-	ids, err := r.getTracks()
+	pid := r.playlistId
+
+	// Step 1: Move the source track out of the way (temporary sentinel value)
+	_, err := r.executeSQL(Expr(
+		`UPDATE playlist_tracks SET id = -999999 WHERE playlist_id = ? AND id = ?`, pid, pos))
 	if err != nil {
 		return err
 	}
-	newOrder := slice.Move(ids, pos-1, newPos-1)
+
-	return r.playlistRepo.updatePlaylist(r.playlistId, newOrder)
+	// Step 2: Shift the affected range using negative values to avoid unique constraint violations
+	if pos < newPos {
+		_, err = r.executeSQL(Expr(
+			`UPDATE playlist_tracks SET id = -(id - 1) WHERE playlist_id = ? AND id > ? AND id <= ?`,
+			pid, pos, newPos))
+	} else {
+		_, err = r.executeSQL(Expr(
+			`UPDATE playlist_tracks SET id = -(id + 1) WHERE playlist_id = ? AND id >= ? AND id < ?`,
+			pid, newPos, pos))
+	}
+	if err != nil {
+		return err
+	}
+
+	// Step 3: Flip the shifted range back to positive
+	_, err = r.executeSQL(Expr(
+		`UPDATE playlist_tracks SET id = -id WHERE playlist_id = ? AND id < 0 AND id != -999999`, pid))
+	if err != nil {
+		return err
+	}
+
+	// Step 4: Place the source track at its new position
+	_, err = r.executeSQL(Expr(
+		`UPDATE playlist_tracks SET id = ? WHERE playlist_id = ? AND id = -999999`, newPos, pid))
+	return err
 }
 
 var _ model.PlaylistTrackRepository = (*playlistTrackRepository)(nil)

persistence/sql_restful.go

@@ -109,11 +109,10 @@ func booleanFilter(field string, value any) Sqlizer {
 func fullTextFilter(tableName string, mbidFields ...string) func(string, any) Sqlizer {
 	return func(field string, value any) Sqlizer {
 		v := strings.ToLower(value.(string))
-		cond := cmp.Or(
+		return cmp.Or[Sqlizer](
 			mbidExpr(tableName, v, mbidFields...),
-			fullTextExpr(tableName, v),
+			getSearchStrategy(tableName, v),
 		)
-		return cond
 	}
 }
 

persistence/sql_restful_test.go

@@ -26,7 +26,9 @@ var _ = Describe("sqlRestful", func() {
 			Expect(r.parseRestFilters(context.Background(), options)).To(BeNil())
 		})
 
-		It(`returns nil if tries a filter with fullTextExpr("'")`, func() {
+		It(`returns nil if tries a filter with legacySearchExpr("'")`, func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "legacy"
 			r.filterMappings = map[string]filterFunc{
 				"name": fullTextFilter("table"),
 			}
@@ -77,6 +79,7 @@ var _ = Describe("sqlRestful", func() {
 
 		BeforeEach(func() {
 			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "legacy"
 			tableName = "test_table"
 			mbidFields = []string{"mbid", "artist_mbid"}
 			filter = fullTextFilter(tableName, mbidFields...)
@@ -99,11 +102,11 @@ var _ = Describe("sqlRestful", func() {
 				uuid := "550e8400-e29b-41d4-a716-446655440000"
 				result := noMbidFilter("search", uuid)
 
-				// mbidExpr with no fields returns nil, so cmp.Or falls back to fullTextExpr
+				// mbidExpr with no fields returns nil, so cmp.Or falls back to search strategy
-				expected := squirrel.And{
+				sql, args, err := result.ToSql()
-					squirrel.Like{"test_table.full_text": "% 550e8400-e29b-41d4-a716-446655440000%"},
+				Expect(err).ToNot(HaveOccurred())
-				}
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
-				Expect(result).To(Equal(expected))
+				Expect(args).To(ContainElement("% 550e8400-e29b-41d4-a716-446655440000%"))
 			})
 		})
 
@@ -111,54 +114,75 @@ var _ = Describe("sqlRestful", func() {
 			It("returns full text search condition only", func() {
 				result := filter("search", "beatles")
 
-				// mbidExpr returns nil for non-UUIDs, so fullTextExpr result is returned directly
+				// mbidExpr returns nil for non-UUIDs, so search strategy result is returned directly
-				expected := squirrel.And{
+				sql, args, err := result.ToSql()
-					squirrel.Like{"test_table.full_text": "% beatles%"},
+				Expect(err).ToNot(HaveOccurred())
-				}
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
-				Expect(result).To(Equal(expected))
+				Expect(args).To(ContainElement("% beatles%"))
 			})
 
 			It("handles multi-word search terms", func() {
 				result := filter("search", "the beatles abbey road")
 
-				// Should return And condition directly
+				sql, args, err := result.ToSql()
-				andCondition, ok := result.(squirrel.And)
+				Expect(err).ToNot(HaveOccurred())
-				Expect(ok).To(BeTrue())
+				// All words should be present as LIKE conditions
-				Expect(andCondition).To(HaveLen(4))
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
-
+				Expect(args).To(HaveLen(4))
-				// Check that all words are present (order may vary)
+				Expect(args).To(ContainElement("% the%"))
-				Expect(andCondition).To(ContainElement(squirrel.Like{"test_table.full_text": "% the%"}))
+				Expect(args).To(ContainElement("% beatles%"))
-				Expect(andCondition).To(ContainElement(squirrel.Like{"test_table.full_text": "% beatles%"}))
+				Expect(args).To(ContainElement("% abbey%"))
-				Expect(andCondition).To(ContainElement(squirrel.Like{"test_table.full_text": "% abbey%"}))
+				Expect(args).To(ContainElement("% road%"))
-				Expect(andCondition).To(ContainElement(squirrel.Like{"test_table.full_text": "% road%"}))
 			})
 		})
 
 		Context("when SearchFullString config changes behavior", func() {
 			It("uses different separator with SearchFullString=false", func() {
-				conf.Server.SearchFullString = false
+				conf.Server.Search.FullString = false
 				result := filter("search", "test query")
 
-				andCondition, ok := result.(squirrel.And)
+				sql, args, err := result.ToSql()
-				Expect(ok).To(BeTrue())
+				Expect(err).ToNot(HaveOccurred())
-				Expect(andCondition).To(HaveLen(2))
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
-
+				Expect(args).To(HaveLen(2))
-				// Check that all words are present with leading space (order may vary)
+				Expect(args).To(ContainElement("% test%"))
-				Expect(andCondition).To(ContainElement(squirrel.Like{"test_table.full_text": "% test%"}))
+				Expect(args).To(ContainElement("% query%"))
-				Expect(andCondition).To(ContainElement(squirrel.Like{"test_table.full_text": "% query%"}))
 			})
 
 			It("uses no separator with SearchFullString=true", func() {
-				conf.Server.SearchFullString = true
+				conf.Server.Search.FullString = true
 				result := filter("search", "test query")
 
-				andCondition, ok := result.(squirrel.And)
+				sql, args, err := result.ToSql()
-				Expect(ok).To(BeTrue())
+				Expect(err).ToNot(HaveOccurred())
-				Expect(andCondition).To(HaveLen(2))
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
+				Expect(args).To(HaveLen(2))
+				Expect(args).To(ContainElement("%test%"))
+				Expect(args).To(ContainElement("%query%"))
+			})
+		})
 
-				// Check that all words are present without leading space (order may vary)
+		Context("single-character queries (regression: must not be rejected)", func() {
-				Expect(andCondition).To(ContainElement(squirrel.Like{"test_table.full_text": "%test%"}))
+			It("returns valid filter for single-char query with legacy backend", func() {
-				Expect(andCondition).To(ContainElement(squirrel.Like{"test_table.full_text": "%query%"}))
+				conf.Server.Search.Backend = "legacy"
+				result := filter("search", "a")
+				Expect(result).ToNot(BeNil(), "single-char REST filter must not be dropped")
+				sql, args, err := result.ToSql()
+				Expect(err).ToNot(HaveOccurred())
+				Expect(sql).To(ContainSubstring("LIKE"))
+				Expect(args).ToNot(BeEmpty())
+			})
+
+			It("returns valid filter for single-char query with FTS backend", func() {
+				conf.Server.Search.Backend = "fts"
+				conf.Server.Search.FullString = false
+				ftsFilter := fullTextFilter(tableName, mbidFields...)
+				result := ftsFilter("search", "a")
+				Expect(result).ToNot(BeNil(), "single-char REST filter must not be dropped")
+				sql, args, err := result.ToSql()
+				Expect(err).ToNot(HaveOccurred())
+				Expect(sql).To(ContainSubstring("MATCH"))
+				Expect(args).ToNot(BeEmpty())
 			})
 		})
 
@@ -176,10 +200,10 @@ var _ = Describe("sqlRestful", func() {
 			It("handles special characters that are sanitized", func() {
 				result := filter("search", "don't")
 
-				expected := squirrel.And{
+				sql, args, err := result.ToSql()
-					squirrel.Like{"test_table.full_text": "% dont%"}, // str.SanitizeStrings removes quotes
+				Expect(err).ToNot(HaveOccurred())
-				}
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
-				Expect(result).To(Equal(expected))
+				Expect(args).To(ContainElement("% dont%"))
 			})
 
 			It("returns nil for single quote (SQL injection protection)", func() {
@@ -203,31 +227,30 @@ var _ = Describe("sqlRestful", func() {
 				result := filter("search", "550e8400-invalid-uuid")
 
 				// Should return full text filter since UUID is invalid
-				expected := squirrel.And{
+				sql, args, err := result.ToSql()
-					squirrel.Like{"test_table.full_text": "% 550e8400-invalid-uuid%"},
+				Expect(err).ToNot(HaveOccurred())
-				}
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
-				Expect(result).To(Equal(expected))
+				Expect(args).To(ContainElement("% 550e8400-invalid-uuid%"))
 			})
 
 			It("handles empty mbid fields array", func() {
 				emptyMbidFilter := fullTextFilter(tableName, []string{}...)
 				result := emptyMbidFilter("search", "test")
 
-				// mbidExpr with empty fields returns nil, so cmp.Or falls back to fullTextExpr
+				// mbidExpr with empty fields returns nil, so search strategy result is returned directly
-				expected := squirrel.And{
+				sql, args, err := result.ToSql()
-					squirrel.Like{"test_table.full_text": "% test%"},
+				Expect(err).ToNot(HaveOccurred())
-				}
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
-				Expect(result).To(Equal(expected))
+				Expect(args).To(ContainElement("% test%"))
 			})
 
 			It("converts value to lowercase before processing", func() {
 				result := filter("search", "TEST")
 
-				// The function converts to lowercase internally
+				sql, args, err := result.ToSql()
-				expected := squirrel.And{
+				Expect(err).ToNot(HaveOccurred())
-					squirrel.Like{"test_table.full_text": "% test%"},
+				Expect(sql).To(ContainSubstring("test_table.full_text LIKE"))
-				}
+				Expect(args).To(ContainElement("% test%"))
-				Expect(result).To(Equal(expected))
 			})
 		})
 	})

persistence/sql_search.go

@@ -15,36 +15,71 @@ func formatFullText(text ...string) string {
 	return " " + fullText
 }
 
-// doSearch performs a full-text search with the specified parameters.
+// searchConfig holds per-repository constants for doSearch.
-// The naturalOrder is used to sort results when no full-text filter is applied. It is useful for cases like
+type searchConfig struct {
-// OpenSubsonic, where an empty search query should return all results in a natural order. Normally the parameter
+	NaturalOrder string   // ORDER BY for empty-query results (e.g. "album.rowid")
-// should be `tableName + ".rowid"`, but some repositories (ex: artist) may use a different natural order.
+	OrderBy      []string // ORDER BY for text search results (e.g. ["name"])
-func (r sqlRepository) doSearch(sq SelectBuilder, q string, offset, size int, results any, naturalOrder string, orderBys ...string) error {
+	MBIDFields   []string // columns to match when query is a UUID
+	// LibraryFilter overrides the default applyLibraryFilter for FTS Phase 1.
+	// Needed when library access requires a junction table (e.g. artist → library_artist).
+	LibraryFilter func(sq SelectBuilder) SelectBuilder
+}
+
+// searchStrategy defines how to execute a text search against a repository table.
+// options carries filters and pagination that must reach all query phases,
+// including FTS Phase 1 which builds its own query outside sq.
+type searchStrategy interface {
+	Sqlizer
+	execute(r sqlRepository, sq SelectBuilder, dest any, cfg searchConfig, options model.QueryOptions) error
+}
+
+// getSearchStrategy returns the appropriate search strategy based on config and query content.
+// Returns nil when the query produces no searchable tokens.
+func getSearchStrategy(tableName, query string) searchStrategy {
+	if conf.Server.Search.Backend == "legacy" || conf.Server.Search.FullString {
+		return newLegacySearch(tableName, query)
+	}
+	if containsCJK(query) {
+		return newLikeSearch(tableName, query)
+	}
+	return newFTSSearch(tableName, query)
+}
+
+// doSearch dispatches a search query: empty → natural order, UUID → MBID match,
+// otherwise delegates to getSearchStrategy. sq must already have LIMIT/OFFSET set
+// via newSelect(options...). options is forwarded so FTS Phase 1 can apply the same
+// filters and pagination independently.
+func (r sqlRepository) doSearch(sq SelectBuilder, q string, results any, cfg searchConfig, options model.QueryOptions) error {
 	q = strings.TrimSpace(q)
 	q = strings.TrimSuffix(q, "*")
+
+	sq = sq.Where(Eq{r.tableName + ".missing": false})
+
+	// Empty query (OpenSubsonic `search3?query=""`) — return all in natural order.
+	if q == "" || q == `""` {
+		sq = sq.OrderBy(cfg.NaturalOrder)
+		return r.queryAll(sq, results, options)
+	}
+
+	// MBID search: if query is a valid UUID, search by MBID fields instead
+	if uuid.Validate(q) == nil && len(cfg.MBIDFields) > 0 {
+		sq = sq.Where(mbidExpr(r.tableName, q, cfg.MBIDFields...))
+		return r.queryAll(sq, results)
+	}
+
+	// Min-length guard: single-character queries are too broad for search3.
+	// This check lives here (not in the strategies) so that fullTextFilter
+	// (REST filter path) can still use single-character queries.
 	if len(q) < 2 {
 		return nil
 	}
 
-	filter := fullTextExpr(r.tableName, q)
+	strategy := getSearchStrategy(r.tableName, q)
-	if filter != nil {
+	if strategy == nil {
-		sq = sq.Where(filter)
+		return nil
-		sq = sq.OrderBy(orderBys...)
-	} else {
-		// This is to speed up the results of `search3?query=""`, for OpenSubsonic
-		// If the filter is empty, we sort by the specified natural order.
-		sq = sq.OrderBy(naturalOrder)
-	}
-	sq = sq.Where(Eq{r.tableName + ".missing": false})
-	sq = sq.Limit(uint64(size)).Offset(uint64(offset))
-	return r.queryAll(sq, results, model.QueryOptions{Offset: offset})
 	}
 
-func (r sqlRepository) searchByMBID(sq SelectBuilder, mbid string, mbidFields []string, results any) error {
+	return strategy.execute(r, sq, results, cfg, options)
-	sq = sq.Where(mbidExpr(r.tableName, mbid, mbidFields...))
-	sq = sq.Where(Eq{r.tableName + ".missing": false})
-
-	return r.queryAll(sq, results)
 }
 
 func mbidExpr(tableName, mbid string, mbidFields ...string) Sqlizer {
@@ -58,20 +93,3 @@ func mbidExpr(tableName, mbid string, mbidFields ...string) Sqlizer {
 	}
 	return Or(cond)
 }
-
-func fullTextExpr(tableName string, s string) Sqlizer {
-	q := str.SanitizeStrings(s)
-	if q == "" {
-		return nil
-	}
-	var sep string
-	if !conf.Server.SearchFullString {
-		sep = " "
-	}
-	parts := strings.Split(q, " ")
-	filters := And{}
-	for _, part := range parts {
-		filters = append(filters, Like{tableName + ".full_text": "%" + sep + part + "%"})
-	}
-	return filters
-}

persistence/sql_search_fts.go

@@ -0,0 +1,422 @@
+package persistence
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+	"unicode"
+	"unicode/utf8"
+
+	. "github.com/Masterminds/squirrel"
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/model"
+)
+
+// containsCJK returns true if the string contains any CJK (Chinese/Japanese/Korean) characters.
+// CJK text doesn't use spaces between words, so FTS5's unicode61 tokenizer treats entire
+// CJK phrases as single tokens, making token-based search ineffective for CJK content.
+func containsCJK(s string) bool {
+	for _, r := range s {
+		if unicode.Is(unicode.Han, r) ||
+			unicode.Is(unicode.Hiragana, r) ||
+			unicode.Is(unicode.Katakana, r) ||
+			unicode.Is(unicode.Hangul, r) {
+			return true
+		}
+	}
+	return false
+}
+
+// fts5SpecialChars matches characters that should be stripped from user input.
+// We keep only Unicode letters, numbers, whitespace, * (prefix wildcard), " (phrase quotes),
+// and \x00 (internal placeholder marker). All punctuation is removed because the unicode61
+// tokenizer treats it as token separators, and characters like ' can cause FTS5 parse errors
+// as unbalanced string delimiters.
+var fts5SpecialChars = regexp.MustCompile(`[^\p{L}\p{N}\s*"\x00]`)
+
+// fts5PunctStrip strips everything except letters and numbers (no whitespace, wildcards, or quotes).
+// Used for normalizing words at index time to create concatenated forms (e.g., "R.E.M." → "REM").
+var fts5PunctStrip = regexp.MustCompile(`[^\p{L}\p{N}]`)
+
+// fts5Operators matches FTS5 boolean operators as whole words (case-insensitive).
+var fts5Operators = regexp.MustCompile(`(?i)\b(AND|OR|NOT|NEAR)\b`)
+
+// fts5LeadingStar matches a * at the start of a token. FTS5 only supports * at the end (prefix queries).
+var fts5LeadingStar = regexp.MustCompile(`(^|[\s])\*+`)
+
+// normalizeForFTS takes multiple strings, strips non-letter/non-number characters from each word,
+// and returns a space-separated string of words that changed after stripping (deduplicated).
+// This is used at index time to create concatenated forms: "R.E.M." → "REM", "AC/DC" → "ACDC".
+func normalizeForFTS(values ...string) string {
+	seen := make(map[string]struct{})
+	var result []string
+	for _, v := range values {
+		for _, word := range strings.Fields(v) {
+			stripped := fts5PunctStrip.ReplaceAllString(word, "")
+			if stripped == "" || stripped == word {
+				continue
+			}
+			lower := strings.ToLower(stripped)
+			if _, ok := seen[lower]; ok {
+				continue
+			}
+			seen[lower] = struct{}{}
+			result = append(result, stripped)
+		}
+	}
+	return strings.Join(result, " ")
+}
+
+// isSingleUnicodeLetter returns true if token is exactly one Unicode letter.
+func isSingleUnicodeLetter(token string) bool {
+	r, size := utf8.DecodeRuneInString(token)
+	return size == len(token) && size > 0 && unicode.IsLetter(r)
+}
+
+// namePunctuation is the set of characters commonly used as separators in artist/album
+// names (hyphens, slashes, dots, apostrophes). Only words containing these are candidates
+// for punctuated-word processing; other special characters (^, :, &) are just stripped.
+const namePunctuation = `-/.''`
+
+// processPunctuatedWords handles words with embedded name punctuation before the general
+// special-character stripping. For each punctuated word it produces either:
+//   - A quoted phrase for dotted abbreviations: R.E.M. → "R E M"
+//   - A phrase+concat OR for other patterns:    a-ha  → ("a ha" OR aha*)
+func processPunctuatedWords(input string, phrases []string) (string, []string) {
+	words := strings.Fields(input)
+	var result []string
+	for _, w := range words {
+		if strings.HasPrefix(w, "\x00") || strings.ContainsAny(w, `*"`) || !strings.ContainsAny(w, namePunctuation) {
+			result = append(result, w)
+			continue
+		}
+		concat := fts5PunctStrip.ReplaceAllString(w, "")
+		if concat == "" || concat == w {
+			result = append(result, w)
+			continue
+		}
+		subTokens := strings.Fields(fts5SpecialChars.ReplaceAllString(w, " "))
+		if len(subTokens) < 2 {
+			// Single sub-token after splitting (e.g., N' → N): just use the stripped form
+			result = append(result, concat)
+			continue
+		}
+		// Dotted abbreviations (R.E.M., U.K.) — all single letters separated by dots only
+		if isDottedAbbreviation(w, subTokens) {
+			phrases = append(phrases, fmt.Sprintf(`"%s"`, strings.Join(subTokens, " ")))
+		} else {
+			// Punctuated names (a-ha, AC/DC, Jay-Z) — phrase for adjacency + concat for search_normalized
+			phrases = append(phrases, fmt.Sprintf(`("%s" OR %s*)`, strings.Join(subTokens, " "), concat))
+		}
+		result = append(result, fmt.Sprintf("\x00PHRASE%d\x00", len(phrases)-1))
+	}
+	return strings.Join(result, " "), phrases
+}
+
+// isDottedAbbreviation returns true if w uses only dots as punctuation and all sub-tokens
+// are single letters (e.g., "R.E.M.", "U.K." but not "a-ha" or "AC/DC").
+func isDottedAbbreviation(w string, subTokens []string) bool {
+	for _, r := range w {
+		if !unicode.IsLetter(r) && !unicode.IsNumber(r) && r != '.' {
+			return false
+		}
+	}
+	for _, st := range subTokens {
+		if !isSingleUnicodeLetter(st) {
+			return false
+		}
+	}
+	return true
+}
+
+// buildFTS5Query preprocesses user input into a safe FTS5 MATCH expression.
+// It preserves quoted phrases and * prefix wildcards, neutralizes FTS5 operators
+// (by lowercasing them, since FTS5 operators are case-sensitive) and strips
+// special characters to prevent query injection.
+func buildFTS5Query(userInput string) string {
+	q := strings.TrimSpace(userInput)
+	if q == "" || q == `""` {
+		return ""
+	}
+
+	var phrases []string
+	result := q
+	for {
+		start := strings.Index(result, `"`)
+		if start == -1 {
+			break
+		}
+		end := strings.Index(result[start+1:], `"`)
+		if end == -1 {
+			// Unmatched quote — remove it
+			result = result[:start] + result[start+1:]
+			break
+		}
+		end += start + 1
+		phrase := result[start : end+1] // includes quotes
+		phrases = append(phrases, phrase)
+		result = result[:start] + fmt.Sprintf("\x00PHRASE%d\x00", len(phrases)-1) + result[end+1:]
+	}
+
+	// Neutralize FTS5 operators by lowercasing them (FTS5 operators are case-sensitive:
+	// AND, OR, NOT, NEAR are operators, but and, or, not, near are plain tokens)
+	result = fts5Operators.ReplaceAllStringFunc(result, strings.ToLower)
+
+	// Handle words with embedded punctuation (a-ha, AC/DC, R.E.M.) before stripping
+	result, phrases = processPunctuatedWords(result, phrases)
+
+	result = fts5SpecialChars.ReplaceAllString(result, " ")
+	result = fts5LeadingStar.ReplaceAllString(result, "$1")
+	tokens := strings.Fields(result)
+
+	// Append * to plain tokens for prefix matching (e.g., "love" → "love*").
+	// Skip tokens that are already wildcarded or are quoted phrase placeholders.
+	for i, t := range tokens {
+		if strings.HasPrefix(t, "\x00") || strings.HasSuffix(t, "*") {
+			continue
+		}
+		tokens[i] = t + "*"
+	}
+
+	result = strings.Join(tokens, " ")
+
+	for i, phrase := range phrases {
+		placeholder := fmt.Sprintf("\x00PHRASE%d\x00", i)
+		result = strings.ReplaceAll(result, placeholder, phrase)
+	}
+
+	return result
+}
+
+// ftsColumn pairs an FTS5 column name with its BM25 relevance weight.
+type ftsColumn struct {
+	Name   string
+	Weight float64
+}
+
+// ftsColumnDefs defines FTS5 columns and their BM25 relevance weights.
+// The order MUST match the column order in the FTS5 table definition (see migrations).
+// All columns are both searched and ranked. When adding indexed-but-not-searched
+// columns in the future, use Weight: 0 to exclude from the search column filter.
+var ftsColumnDefs = map[string][]ftsColumn{
+	"media_file": {
+		{"title", 10.0},
+		{"album", 5.0},
+		{"artist", 3.0},
+		{"album_artist", 3.0},
+		{"sort_title", 1.0},
+		{"sort_album_name", 1.0},
+		{"sort_artist_name", 1.0},
+		{"sort_album_artist_name", 1.0},
+		{"disc_subtitle", 1.0},
+		{"search_participants", 2.0},
+		{"search_normalized", 1.0},
+	},
+	"album": {
+		{"name", 10.0},
+		{"sort_album_name", 1.0},
+		{"album_artist", 3.0},
+		{"search_participants", 2.0},
+		{"discs", 1.0},
+		{"catalog_num", 1.0},
+		{"album_version", 1.0},
+		{"search_normalized", 1.0},
+	},
+	"artist": {
+		{"name", 10.0},
+		{"sort_artist_name", 1.0},
+		{"search_normalized", 1.0},
+	},
+}
+
+// ftsColumnFilters and ftsBM25Weights are precomputed from ftsColumnDefs at init time
+// to avoid per-query allocations.
+var (
+	ftsColumnFilters = map[string]string{}
+	ftsBM25Weights   = map[string]string{}
+)
+
+func init() {
+	for table, cols := range ftsColumnDefs {
+		var names []string
+		weights := make([]string, len(cols))
+		for i, c := range cols {
+			if c.Weight > 0 {
+				names = append(names, c.Name)
+			}
+			weights[i] = fmt.Sprintf("%.1f", c.Weight)
+		}
+		ftsColumnFilters[table] = "{" + strings.Join(names, " ") + "}"
+		ftsBM25Weights[table] = strings.Join(weights, ", ")
+	}
+}
+
+// ftsSearch implements searchStrategy using FTS5 full-text search with BM25 ranking.
+type ftsSearch struct {
+	tableName string
+	ftsTable  string
+	matchExpr string
+	rankExpr  string
+}
+
+// ToSql returns a single-query fallback for the REST filter path (no two-phase split).
+func (s *ftsSearch) ToSql() (string, []interface{}, error) {
+	sql := s.tableName + ".rowid IN (SELECT rowid FROM " + s.ftsTable + " WHERE " + s.ftsTable + " MATCH ?)"
+	return sql, []interface{}{s.matchExpr}, nil
+}
+
+// execute runs a two-phase FTS5 search:
+//   - Phase 1: lightweight rowid query (main table + FTS + library filter) for ranking and pagination.
+//   - Phase 2: full SELECT with all JOINs, scoped to Phase 1's rowid set.
+//
+// Complex ORDER BY (function calls, aggregations) are dropped from Phase 1.
+func (s *ftsSearch) execute(r sqlRepository, sq SelectBuilder, dest any, cfg searchConfig, options model.QueryOptions) error {
+	qualifiedOrderBys := []string{s.rankExpr}
+	for _, ob := range cfg.OrderBy {
+		if qualified := qualifyOrderBy(s.tableName, ob); qualified != "" {
+			qualifiedOrderBys = append(qualifiedOrderBys, qualified)
+		}
+	}
+
+	// Phase 1: fresh query — must set LIMIT/OFFSET from options explicitly.
+	// Mirror applyOptions behavior: Max=0 means no limit, not LIMIT 0.
+	rowidQuery := Select(s.tableName+".rowid").
+		From(s.tableName).
+		Join(s.ftsTable+" ON "+s.ftsTable+".rowid = "+s.tableName+".rowid AND "+s.ftsTable+" MATCH ?", s.matchExpr).
+		Where(Eq{s.tableName + ".missing": false}).
+		OrderBy(qualifiedOrderBys...)
+	if options.Max > 0 {
+		rowidQuery = rowidQuery.Limit(uint64(options.Max))
+	}
+	if options.Offset > 0 {
+		rowidQuery = rowidQuery.Offset(uint64(options.Offset))
+	}
+
+	// Library filter + musicFolderId must be applied here, before pagination.
+	if cfg.LibraryFilter != nil {
+		rowidQuery = cfg.LibraryFilter(rowidQuery)
+	} else {
+		rowidQuery = r.applyLibraryFilter(rowidQuery)
+	}
+	if options.Filters != nil {
+		rowidQuery = rowidQuery.Where(options.Filters)
+	}
+
+	rowidSQL, rowidArgs, err := rowidQuery.ToSql()
+	if err != nil {
+		return fmt.Errorf("building FTS rowid query: %w", err)
+	}
+
+	// Phase 2: strip LIMIT/OFFSET from sq (Phase 1 handled pagination),
+	// join on the ranked rowid set to hydrate with full columns.
+	sq = sq.RemoveLimit().RemoveOffset()
+	rankedSubquery := fmt.Sprintf(
+		"(SELECT rowid as _rid, row_number() OVER () AS _rn FROM (%s)) AS _ranked",
+		rowidSQL,
+	)
+	sq = sq.Join(rankedSubquery+" ON "+s.tableName+".rowid = _ranked._rid", rowidArgs...)
+	sq = sq.OrderBy("_ranked._rn")
+	return r.queryAll(sq, dest)
+}
+
+// qualifyOrderBy prepends tableName to a simple column name. Returns empty string for
+// complex expressions (function calls, aggregations) that can't be used in Phase 1.
+func qualifyOrderBy(tableName, orderBy string) string {
+	orderBy = strings.TrimSpace(orderBy)
+	if orderBy == "" || strings.ContainsAny(orderBy, "(,") {
+		return ""
+	}
+	parts := strings.Fields(orderBy)
+	if !strings.Contains(parts[0], ".") {
+		parts[0] = tableName + "." + parts[0]
+	}
+	return strings.Join(parts, " ")
+}
+
+// ftsQueryDegraded returns true when the FTS query lost significant discriminating
+// content compared to the original input. This happens when special characters that
+// are part of the entity name (e.g., "1+", "C++", "!!!", "C#") get stripped by FTS
+// tokenization, leaving only very short/broad tokens. Also detects quoted phrases
+// that would be degraded by FTS5's unicode61 tokenizer (e.g., "1+" → token "1").
+func ftsQueryDegraded(original, ftsQuery string) bool {
+	original = strings.TrimSpace(original)
+	if original == "" || ftsQuery == "" {
+		return false
+	}
+	// Strip quotes from original for comparison — we want the raw content
+	stripped := strings.ReplaceAll(original, `"`, "")
+	// Extract the alphanumeric content from the original query
+	alphaNum := fts5PunctStrip.ReplaceAllString(stripped, "")
+	// If the original is entirely alphanumeric, nothing was stripped — not degraded
+	if len(alphaNum) == len(stripped) {
+		return false
+	}
+	// Check if all effective FTS tokens are very short (≤2 chars).
+	// Short tokens with prefix matching are too broad when special chars were stripped.
+	// For quoted phrases, extract the content and check the tokens inside.
+	tokens := strings.Fields(ftsQuery)
+	for _, t := range tokens {
+		t = strings.TrimSuffix(t, "*")
+		// Skip internal phrase placeholders
+		if strings.HasPrefix(t, "\x00") {
+			return false
+		}
+		// For OR groups from processPunctuatedWords (e.g., ("a ha" OR aha*)),
+		// the punctuated word was already handled meaningfully — not degraded.
+		if strings.HasPrefix(t, "(") {
+			return false
+		}
+		// For quoted phrases, check the tokens inside as FTS5 will tokenize them
+		if strings.HasPrefix(t, `"`) {
+			// Extract content between quotes
+			inner := strings.Trim(t, `"`)
+			innerAlpha := fts5PunctStrip.ReplaceAllString(inner, " ")
+			for _, it := range strings.Fields(innerAlpha) {
+				if len(it) > 2 {
+					return false
+				}
+			}
+			continue
+		}
+		if len(t) > 2 {
+			return false
+		}
+	}
+	return true
+}
+
+// newFTSSearch creates an FTS5 search strategy. Falls back to LIKE search if the
+// query produces no FTS tokens (e.g., punctuation-only like "!!!!!!!") or if FTS
+// tokenization stripped significant content from the query (e.g., "1+" → "1*").
+// Returns nil when the query produces no searchable tokens at all.
+func newFTSSearch(tableName, query string) searchStrategy {
+	q := buildFTS5Query(query)
+	if q == "" || ftsQueryDegraded(query, q) {
+		// Fallback: try LIKE search with the raw query
+		cleaned := strings.TrimSpace(strings.ReplaceAll(query, `"`, ""))
+		if cleaned != "" {
+			log.Trace("Search using LIKE fallback for non-tokenizable query", "table", tableName, "query", cleaned)
+			return newLikeSearch(tableName, cleaned)
+		}
+		return nil
+	}
+	ftsTable := tableName + "_fts"
+	matchExpr := q
+	if cols, ok := ftsColumnFilters[tableName]; ok {
+		matchExpr = cols + " : (" + q + ")"
+	}
+
+	rankExpr := ftsTable + ".rank"
+	if weights, ok := ftsBM25Weights[tableName]; ok {
+		rankExpr = "bm25(" + ftsTable + ", " + weights + ")"
+	}
+
+	s := &ftsSearch{
+		tableName: tableName,
+		ftsTable:  ftsTable,
+		matchExpr: matchExpr,
+		rankExpr:  rankExpr,
+	}
+	log.Trace("Search using FTS5 backend", "table", tableName, "query", q, "filter", s)
+	return s
+}

persistence/sql_search_fts_test.go

@@ -0,0 +1,435 @@
+package persistence
+
+import (
+	"context"
+
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/request"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = DescribeTable("buildFTS5Query",
+	func(input, expected string) {
+		Expect(buildFTS5Query(input)).To(Equal(expected))
+	},
+	Entry("returns empty string for empty input", "", ""),
+	Entry("returns empty string for whitespace-only input", "   ", ""),
+	Entry("appends * to a single word for prefix matching", "beatles", "beatles*"),
+	Entry("appends * to each word for prefix matching", "abbey road", "abbey* road*"),
+	Entry("preserves quoted phrases without appending *", `"the beatles"`, `"the beatles"`),
+	Entry("does not double-append * to existing prefix wildcard", "beat*", "beat*"),
+	Entry("strips FTS5 operators and appends * to lowercased words", "AND OR NOT NEAR", "and* or* not* near*"),
+	Entry("strips special FTS5 syntax characters and appends *", "test^col:val", "test* col* val*"),
+	Entry("handles mixed phrases and words", `"the beatles" abbey`, `"the beatles" abbey*`),
+	Entry("handles prefix with multiple words", "beat* abbey", "beat* abbey*"),
+	Entry("collapses multiple spaces", "abbey   road", "abbey* road*"),
+	Entry("strips leading * from tokens and appends trailing *", "*livia", "livia*"),
+	Entry("strips leading * and preserves existing trailing *", "*livia oliv*", "livia* oliv*"),
+	Entry("strips standalone *", "*", ""),
+	Entry("strips apostrophe from input", "Guns N' Roses", "Guns* N* Roses*"),
+	Entry("converts slashed word to phrase+concat OR", "AC/DC", `("AC DC" OR ACDC*)`),
+	Entry("converts hyphenated word to phrase+concat OR", "a-ha", `("a ha" OR aha*)`),
+	Entry("converts partial hyphenated word to phrase+concat OR", "a-h", `("a h" OR ah*)`),
+	Entry("converts hyphenated name to phrase+concat OR", "Jay-Z", `("Jay Z" OR JayZ*)`),
+	Entry("converts contraction to phrase+concat OR", "it's", `("it s" OR its*)`),
+	Entry("handles punctuated word mixed with plain words", "best of a-ha", `best* of* ("a ha" OR aha*)`),
+	Entry("strips miscellaneous punctuation", "rock & roll, vol. 2", "rock* roll* vol* 2*"),
+	Entry("preserves unicode characters with diacritics", "Björk début", "Björk* début*"),
+	Entry("collapses dotted abbreviation into phrase", "R.E.M.", `"R E M"`),
+	Entry("collapses abbreviation without trailing dot", "R.E.M", `"R E M"`),
+	Entry("collapses abbreviation mixed with words", "best of R.E.M.", `best* of* "R E M"`),
+	Entry("collapses two-letter abbreviation", "U.K.", `"U K"`),
+	Entry("does not collapse single letter surrounded by words", "I am fine", "I* am* fine*"),
+	Entry("does not collapse single standalone letter", "A test", "A* test*"),
+	Entry("preserves quoted phrase with punctuation verbatim", `"ac/dc"`, `"ac/dc"`),
+	Entry("preserves quoted abbreviation verbatim", `"R.E.M."`, `"R.E.M."`),
+	Entry("returns empty string for punctuation-only input", "!!!!!!!", ""),
+	Entry("returns empty string for mixed punctuation", "!@#$%^&", ""),
+	Entry("returns empty string for empty quoted phrase", `""`, ""),
+)
+
+var _ = DescribeTable("ftsQueryDegraded",
+	func(original, ftsQuery string, expected bool) {
+		Expect(ftsQueryDegraded(original, ftsQuery)).To(Equal(expected))
+	},
+	Entry("not degraded for empty original", "", "1*", false),
+	Entry("not degraded for empty ftsQuery", "1+", "", false),
+	Entry("not degraded for purely alphanumeric query", "beatles", "beatles*", false),
+	Entry("not degraded when long tokens remain", "test^val", "test* val*", false),
+	Entry("not degraded for quoted phrase with long tokens", `"the beatles"`, `"the beatles"`, false),
+	Entry("degraded for quoted phrase with only short tokens after tokenizer strips special chars", `"1+"`, `"1+"`, true),
+	Entry("not degraded for quoted phrase with meaningful content", `"C++ programming"`, `"C++ programming"`, false),
+	Entry("degraded when special chars stripped leaving short token", "1+", "1*", true),
+	Entry("degraded when special chars stripped leaving two short tokens", "C# 1", "C* 1*", true),
+	Entry("not degraded when at least one long token remains", "1+ beatles", "1* beatles*", false),
+	Entry("not degraded for OR groups from processPunctuatedWords", "AC/DC", `("AC DC" OR ACDC*)`, false),
+)
+
+var _ = DescribeTable("normalizeForFTS",
+	func(expected string, values ...string) {
+		Expect(normalizeForFTS(values...)).To(Equal(expected))
+	},
+	Entry("strips dots and concatenates", "REM", "R.E.M."),
+	Entry("strips slash", "ACDC", "AC/DC"),
+	Entry("strips hyphen", "Aha", "A-ha"),
+	Entry("skips unchanged words", "", "The Beatles"),
+	Entry("handles mixed input", "REM", "R.E.M.", "Automatic for the People"),
+	Entry("deduplicates", "REM", "R.E.M.", "R.E.M."),
+	Entry("strips apostrophe from word", "N", "Guns N' Roses"),
+	Entry("handles multiple values with punctuation", "REM ACDC", "R.E.M.", "AC/DC"),
+)
+
+var _ = DescribeTable("containsCJK",
+	func(input string, expected bool) {
+		Expect(containsCJK(input)).To(Equal(expected))
+	},
+	Entry("returns false for empty string", "", false),
+	Entry("returns false for ASCII text", "hello world", false),
+	Entry("returns false for Latin with diacritics", "Björk début", false),
+	Entry("detects Chinese characters (Han)", "周杰伦", true),
+	Entry("detects Japanese Hiragana", "こんにちは", true),
+	Entry("detects Japanese Katakana", "カタカナ", true),
+	Entry("detects Korean Hangul", "한국어", true),
+	Entry("detects CJK mixed with Latin", "best of 周杰伦", true),
+	Entry("detects single CJK character", "a曲b", true),
+)
+
+var _ = DescribeTable("qualifyOrderBy",
+	func(tableName, orderBy, expected string) {
+		Expect(qualifyOrderBy(tableName, orderBy)).To(Equal(expected))
+	},
+	Entry("returns empty string for empty input", "artist", "", ""),
+	Entry("qualifies simple column with table name", "artist", "name", "artist.name"),
+	Entry("qualifies column with direction", "artist", "name desc", "artist.name desc"),
+	Entry("preserves already-qualified column", "artist", "artist.name", "artist.name"),
+	Entry("preserves already-qualified column with direction", "artist", "artist.name desc", "artist.name desc"),
+	Entry("returns empty for function call expression", "artist", "sum(json_extract(stats, '$.total.m')) desc", ""),
+	Entry("returns empty for expression with comma", "artist", "a, b", ""),
+	Entry("qualifies media_file column", "media_file", "title", "media_file.title"),
+)
+
+var _ = Describe("ftsColumnDefs helpers", func() {
+	Describe("ftsColumnFilters", func() {
+		It("returns column filter for media_file", func() {
+			Expect(ftsColumnFilters).To(HaveKeyWithValue("media_file",
+				"{title album artist album_artist sort_title sort_album_name sort_artist_name sort_album_artist_name disc_subtitle search_participants search_normalized}",
+			))
+		})
+
+		It("returns column filter for album", func() {
+			Expect(ftsColumnFilters).To(HaveKeyWithValue("album",
+				"{name sort_album_name album_artist search_participants discs catalog_num album_version search_normalized}",
+			))
+		})
+
+		It("returns column filter for artist", func() {
+			Expect(ftsColumnFilters).To(HaveKeyWithValue("artist",
+				"{name sort_artist_name search_normalized}",
+			))
+		})
+
+		It("has no entry for unknown table", func() {
+			Expect(ftsColumnFilters).ToNot(HaveKey("unknown"))
+		})
+	})
+
+	Describe("ftsBM25Weights", func() {
+		It("returns weight CSV for media_file", func() {
+			Expect(ftsBM25Weights).To(HaveKeyWithValue("media_file",
+				"10.0, 5.0, 3.0, 3.0, 1.0, 1.0, 1.0, 1.0, 1.0, 2.0, 1.0",
+			))
+		})
+
+		It("returns weight CSV for album", func() {
+			Expect(ftsBM25Weights).To(HaveKeyWithValue("album",
+				"10.0, 1.0, 3.0, 2.0, 1.0, 1.0, 1.0, 1.0",
+			))
+		})
+
+		It("returns weight CSV for artist", func() {
+			Expect(ftsBM25Weights).To(HaveKeyWithValue("artist",
+				"10.0, 1.0, 1.0",
+			))
+		})
+
+		It("has no entry for unknown table", func() {
+			Expect(ftsBM25Weights).ToNot(HaveKey("unknown"))
+		})
+	})
+
+	It("has definitions for all known tables", func() {
+		for _, table := range []string{"media_file", "album", "artist"} {
+			Expect(ftsColumnDefs).To(HaveKey(table))
+			Expect(ftsColumnDefs[table]).ToNot(BeEmpty())
+		}
+	})
+
+	It("has matching column count between filter and weights", func() {
+		for table, cols := range ftsColumnDefs {
+			// Column filter only includes Weight > 0 columns
+			filterCount := 0
+			for _, c := range cols {
+				if c.Weight > 0 {
+					filterCount++
+				}
+			}
+			// For now, all columns have Weight > 0, so filter count == total count
+			Expect(filterCount).To(Equal(len(cols)), "table %s: all columns should have positive weights", table)
+		}
+	})
+})
+
+var _ = Describe("newFTSSearch", func() {
+	It("returns nil for empty query", func() {
+		Expect(newFTSSearch("media_file", "")).To(BeNil())
+	})
+
+	It("returns non-nil for single-character query", func() {
+		strategy := newFTSSearch("media_file", "a")
+		Expect(strategy).ToNot(BeNil(), "single-char queries must not be rejected; min-length is enforced in doSearch, not here")
+		sql, _, err := strategy.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("MATCH"))
+	})
+
+	It("returns ftsSearch with correct table names and MATCH expression", func() {
+		strategy := newFTSSearch("media_file", "beatles")
+		fts, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeTrue())
+		Expect(fts.tableName).To(Equal("media_file"))
+		Expect(fts.ftsTable).To(Equal("media_file_fts"))
+		Expect(fts.matchExpr).To(HavePrefix("{title album artist album_artist"))
+		Expect(fts.matchExpr).To(ContainSubstring("beatles*"))
+	})
+
+	It("ToSql generates rowid IN subquery with MATCH (fallback path)", func() {
+		strategy := newFTSSearch("media_file", "beatles")
+		sql, args, err := strategy.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("media_file.rowid IN"))
+		Expect(sql).To(ContainSubstring("media_file_fts"))
+		Expect(sql).To(ContainSubstring("MATCH"))
+		Expect(args).To(HaveLen(1))
+	})
+
+	It("generates correct FTS table name per entity", func() {
+		for _, table := range []string{"media_file", "album", "artist"} {
+			strategy := newFTSSearch(table, "test")
+			fts, ok := strategy.(*ftsSearch)
+			Expect(ok).To(BeTrue())
+			Expect(fts.tableName).To(Equal(table))
+			Expect(fts.ftsTable).To(Equal(table + "_fts"))
+		}
+	})
+
+	It("builds bm25() rank expression with column weights", func() {
+		strategy := newFTSSearch("media_file", "beatles")
+		fts, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeTrue())
+		Expect(fts.rankExpr).To(HavePrefix("bm25(media_file_fts,"))
+		Expect(fts.rankExpr).To(ContainSubstring("10.0"))
+
+		strategy = newFTSSearch("artist", "beatles")
+		fts, ok = strategy.(*ftsSearch)
+		Expect(ok).To(BeTrue())
+		Expect(fts.rankExpr).To(HavePrefix("bm25(artist_fts,"))
+	})
+
+	It("falls back to ftsTable.rank for unknown tables", func() {
+		strategy := newFTSSearch("unknown_table", "test")
+		fts, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeTrue())
+		Expect(fts.rankExpr).To(Equal("unknown_table_fts.rank"))
+	})
+
+	It("wraps query with column filter for known tables", func() {
+		strategy := newFTSSearch("artist", "Beatles")
+		fts, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeTrue())
+		Expect(fts.matchExpr).To(Equal("{name sort_artist_name search_normalized} : (Beatles*)"))
+	})
+
+	It("passes query without column filter for unknown tables", func() {
+		strategy := newFTSSearch("unknown_table", "test")
+		fts, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeTrue())
+		Expect(fts.matchExpr).To(Equal("test*"))
+	})
+
+	It("preserves phrase queries inside column filter", func() {
+		strategy := newFTSSearch("media_file", `"the beatles"`)
+		fts, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeTrue())
+		Expect(fts.matchExpr).To(ContainSubstring(`"the beatles"`))
+	})
+
+	It("preserves prefix queries inside column filter", func() {
+		strategy := newFTSSearch("media_file", "beat*")
+		fts, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeTrue())
+		Expect(fts.matchExpr).To(ContainSubstring("beat*"))
+	})
+
+	It("falls back to LIKE search for punctuation-only query", func() {
+		strategy := newFTSSearch("media_file", "!!!!!!!")
+		Expect(strategy).ToNot(BeNil())
+		_, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeFalse(), "punctuation-only should fall back to LIKE, not FTS")
+		sql, args, err := strategy.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("LIKE"))
+		Expect(args).To(ContainElement("%!!!!!!!%"))
+	})
+
+	It("falls back to LIKE search for degraded query (special chars stripped leaving short tokens)", func() {
+		strategy := newFTSSearch("album", "1+")
+		Expect(strategy).ToNot(BeNil())
+		_, ok := strategy.(*ftsSearch)
+		Expect(ok).To(BeFalse(), "degraded query should fall back to LIKE, not FTS")
+		sql, args, err := strategy.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("LIKE"))
+		Expect(args).To(ContainElement("%1+%"))
+	})
+
+	It("returns nil for empty string even with LIKE fallback", func() {
+		Expect(newFTSSearch("media_file", "")).To(BeNil())
+		Expect(newFTSSearch("media_file", "   ")).To(BeNil())
+	})
+
+	It("returns nil for empty quoted phrase", func() {
+		Expect(newFTSSearch("media_file", `""`)).To(BeNil())
+	})
+})
+
+var _ = Describe("FTS5 Integration Search", func() {
+	var (
+		mr  model.MediaFileRepository
+		alr model.AlbumRepository
+		arr model.ArtistRepository
+	)
+
+	BeforeEach(func() {
+		ctx := log.NewContext(context.TODO())
+		ctx = request.WithUser(ctx, adminUser)
+		conn := GetDBXBuilder()
+		mr = NewMediaFileRepository(ctx, conn)
+		alr = NewAlbumRepository(ctx, conn)
+		arr = NewArtistRepository(ctx, conn)
+	})
+
+	Describe("MediaFile search", func() {
+		It("finds media files by title", func() {
+			results, err := mr.Search("Radioactivity", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].Title).To(Equal("Radioactivity"))
+			Expect(results[0].ID).To(Equal(songRadioactivity.ID))
+		})
+
+		It("finds media files by artist name", func() {
+			results, err := mr.Search("Beatles", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(3))
+			for _, r := range results {
+				Expect(r.Artist).To(Equal("The Beatles"))
+			}
+		})
+	})
+
+	Describe("Album search", func() {
+		It("finds albums by name", func() {
+			results, err := alr.Search("Sgt Peppers", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].Name).To(Equal("Sgt Peppers"))
+			Expect(results[0].ID).To(Equal(albumSgtPeppers.ID))
+		})
+
+		It("finds albums with multi-word search", func() {
+			results, err := alr.Search("Abbey Road", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(2))
+		})
+	})
+
+	Describe("Artist search", func() {
+		It("finds artists by name", func() {
+			results, err := arr.Search("Kraftwerk", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].Name).To(Equal("Kraftwerk"))
+			Expect(results[0].ID).To(Equal(artistKraftwerk.ID))
+		})
+	})
+
+	Describe("CJK search", func() {
+		It("finds media files by CJK title", func() {
+			results, err := mr.Search("プラチナ", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].Title).To(Equal("プラチナ・ジェット"))
+			Expect(results[0].ID).To(Equal(songCJK.ID))
+		})
+
+		It("finds media files by CJK artist name", func() {
+			results, err := mr.Search("シートベルツ", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].Artist).To(Equal("シートベルツ"))
+		})
+
+		It("finds albums by CJK artist name", func() {
+			results, err := alr.Search("シートベルツ", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].Name).To(Equal("COWBOY BEBOP"))
+			Expect(results[0].ID).To(Equal(albumCJK.ID))
+		})
+
+		It("finds artists by CJK name", func() {
+			results, err := arr.Search("シートベルツ", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].Name).To(Equal("シートベルツ"))
+			Expect(results[0].ID).To(Equal(artistCJK.ID))
+		})
+	})
+
+	Describe("Album version search", func() {
+		It("finds albums by version tag via FTS", func() {
+			results, err := alr.Search("Deluxe", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].ID).To(Equal(albumWithVersion.ID))
+		})
+	})
+
+	Describe("Punctuation-only search", func() {
+		It("finds media files with punctuation-only title", func() {
+			results, err := mr.Search("!!!!!!!", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(HaveLen(1))
+			Expect(results[0].Title).To(Equal("!!!!!!!"))
+			Expect(results[0].ID).To(Equal(songPunctuation.ID))
+		})
+	})
+
+	Describe("Single-character search (doSearch min-length guard)", func() {
+		It("returns empty results for single-char query via Search", func() {
+			results, err := mr.Search("a", model.QueryOptions{Max: 10})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).To(BeEmpty(), "doSearch should reject single-char queries")
+		})
+	})
+
+	Describe("Max=0 means no limit (regression: must not produce LIMIT 0)", func() {
+		It("returns results with Max=0", func() {
+			results, err := mr.Search("Beatles", model.QueryOptions{Max: 0})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(results).ToNot(BeEmpty(), "Max=0 should mean no limit, not LIMIT 0")
+		})
+	})
+})

persistence/sql_search_like.go

@@ -0,0 +1,106 @@
+package persistence
+
+import (
+	"strings"
+
+	. "github.com/Masterminds/squirrel"
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/utils/str"
+)
+
+// likeSearch implements searchStrategy using LIKE-based SQL filters.
+// Used for legacy full_text searches, CJK fallback, and punctuation-only fallback.
+type likeSearch struct {
+	filter Sqlizer
+}
+
+func (s *likeSearch) ToSql() (string, []interface{}, error) {
+	return s.filter.ToSql()
+}
+
+func (s *likeSearch) execute(r sqlRepository, sq SelectBuilder, dest any, cfg searchConfig, options model.QueryOptions) error {
+	sq = sq.Where(s.filter)
+	sq = sq.OrderBy(cfg.OrderBy...)
+	return r.queryAll(sq, dest, options)
+}
+
+// newLegacySearch creates a LIKE search against the full_text column.
+// Returns nil when the query produces no searchable tokens.
+func newLegacySearch(tableName, query string) searchStrategy {
+	filter := legacySearchExpr(tableName, query)
+	if filter == nil {
+		return nil
+	}
+	return &likeSearch{filter: filter}
+}
+
+// newLikeSearch creates a LIKE search against core entity columns (CJK, punctuation fallback).
+// No minimum length is enforced, since single CJK characters are meaningful words.
+// Returns nil when the query produces no searchable tokens.
+func newLikeSearch(tableName, query string) searchStrategy {
+	filter := likeSearchExpr(tableName, query)
+	if filter == nil {
+		return nil
+	}
+	return &likeSearch{filter: filter}
+}
+
+// legacySearchExpr generates LIKE-based search filters against the full_text column.
+// This is the original search implementation, used when Search.Backend="legacy".
+func legacySearchExpr(tableName string, s string) Sqlizer {
+	q := str.SanitizeStrings(s)
+	if q == "" {
+		log.Trace("Search using legacy backend, query is empty", "table", tableName)
+		return nil
+	}
+	var sep string
+	if !conf.Server.Search.FullString {
+		sep = " "
+	}
+	parts := strings.Split(q, " ")
+	filters := And{}
+	for _, part := range parts {
+		filters = append(filters, Like{tableName + ".full_text": "%" + sep + part + "%"})
+	}
+	log.Trace("Search using legacy backend", "query", filters, "table", tableName)
+	return filters
+}
+
+// likeSearchColumns defines the core columns to search with LIKE queries.
+// These are the primary user-visible fields for each entity type.
+// Used as a fallback when FTS5 cannot handle the query (e.g., CJK text, punctuation-only input).
+var likeSearchColumns = map[string][]string{
+	"media_file": {"title", "album", "artist", "album_artist"},
+	"album":      {"name", "album_artist"},
+	"artist":     {"name"},
+}
+
+// likeSearchExpr generates LIKE-based search filters against core columns.
+// Each word in the query must match at least one column (AND between words),
+// and each word can match any column (OR within a word).
+// Used as a fallback when FTS5 cannot handle the query (e.g., CJK text, punctuation-only input).
+func likeSearchExpr(tableName string, s string) Sqlizer {
+	s = strings.TrimSpace(s)
+	if s == "" {
+		log.Trace("Search using LIKE backend, query is empty", "table", tableName)
+		return nil
+	}
+	columns, ok := likeSearchColumns[tableName]
+	if !ok {
+		log.Trace("Search using LIKE backend, couldn't find columns for this table", "table", tableName)
+		return nil
+	}
+	words := strings.Fields(s)
+	wordFilters := And{}
+	for _, word := range words {
+		colFilters := Or{}
+		for _, col := range columns {
+			colFilters = append(colFilters, Like{tableName + "." + col: "%" + word + "%"})
+		}
+		wordFilters = append(wordFilters, colFilters)
+	}
+	log.Trace("Search using LIKE backend", "query", wordFilters, "table", tableName)
+	return wordFilters
+}

persistence/sql_search_like_test.go

@@ -0,0 +1,134 @@
+package persistence
+
+import (
+	"context"
+
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/conf/configtest"
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/model/request"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("newLegacySearch", func() {
+	It("returns non-nil for single-character query", func() {
+		strategy := newLegacySearch("media_file", "a")
+		Expect(strategy).ToNot(BeNil(), "single-char queries must not be rejected; min-length is enforced in doSearch, not here")
+		sql, _, err := strategy.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("LIKE"))
+	})
+})
+
+var _ = Describe("legacySearchExpr", func() {
+	It("returns nil for empty query", func() {
+		Expect(legacySearchExpr("media_file", "")).To(BeNil())
+	})
+
+	It("generates LIKE filter for single word", func() {
+		expr := legacySearchExpr("media_file", "beatles")
+		sql, args, err := expr.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("media_file.full_text LIKE"))
+		Expect(args).To(ContainElement("% beatles%"))
+	})
+
+	It("generates AND of LIKE filters for multiple words", func() {
+		expr := legacySearchExpr("media_file", "abbey road")
+		sql, args, err := expr.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("AND"))
+		Expect(args).To(HaveLen(2))
+	})
+})
+
+var _ = Describe("likeSearchExpr", func() {
+	It("returns nil for empty query", func() {
+		Expect(likeSearchExpr("media_file", "")).To(BeNil())
+	})
+
+	It("returns nil for whitespace-only query", func() {
+		Expect(likeSearchExpr("media_file", "   ")).To(BeNil())
+	})
+
+	It("generates LIKE filters against core columns for single CJK word", func() {
+		expr := likeSearchExpr("media_file", "周杰伦")
+		sql, args, err := expr.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		// Should have OR between columns for the single word
+		Expect(sql).To(ContainSubstring("OR"))
+		Expect(sql).To(ContainSubstring("media_file.title LIKE"))
+		Expect(sql).To(ContainSubstring("media_file.album LIKE"))
+		Expect(sql).To(ContainSubstring("media_file.artist LIKE"))
+		Expect(sql).To(ContainSubstring("media_file.album_artist LIKE"))
+		Expect(args).To(HaveLen(4))
+		for _, arg := range args {
+			Expect(arg).To(Equal("%周杰伦%"))
+		}
+	})
+
+	It("generates AND of OR groups for multi-word query", func() {
+		expr := likeSearchExpr("media_file", "周杰伦 greatest")
+		sql, args, err := expr.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		// Two groups AND'd together, each with 4 columns OR'd
+		Expect(sql).To(ContainSubstring("AND"))
+		Expect(args).To(HaveLen(8))
+	})
+
+	It("uses correct columns for album table", func() {
+		expr := likeSearchExpr("album", "周杰伦")
+		sql, args, err := expr.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("album.name LIKE"))
+		Expect(sql).To(ContainSubstring("album.album_artist LIKE"))
+		Expect(args).To(HaveLen(2))
+	})
+
+	It("uses correct columns for artist table", func() {
+		expr := likeSearchExpr("artist", "周杰伦")
+		sql, args, err := expr.ToSql()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sql).To(ContainSubstring("artist.name LIKE"))
+		Expect(args).To(HaveLen(1))
+	})
+
+	It("returns nil for unknown table", func() {
+		Expect(likeSearchExpr("unknown_table", "周杰伦")).To(BeNil())
+	})
+})
+
+var _ = Describe("Legacy Integration Search", func() {
+	var mr model.MediaFileRepository
+
+	BeforeEach(func() {
+		DeferCleanup(configtest.SetupConfig())
+		conf.Server.Search.Backend = "legacy"
+
+		ctx := log.NewContext(context.TODO())
+		ctx = request.WithUser(ctx, adminUser)
+		conn := GetDBXBuilder()
+		mr = NewMediaFileRepository(ctx, conn)
+	})
+
+	It("returns results using legacy LIKE-based search", func() {
+		results, err := mr.Search("Radioactivity", model.QueryOptions{Max: 10})
+		Expect(err).ToNot(HaveOccurred())
+		Expect(results).To(HaveLen(1))
+		Expect(results[0].Title).To(Equal("Radioactivity"))
+	})
+
+	It("returns empty results for single-char query (doSearch min-length guard)", func() {
+		results, err := mr.Search("a", model.QueryOptions{Max: 10})
+		Expect(err).ToNot(HaveOccurred())
+		Expect(results).To(BeEmpty(), "doSearch should reject single-char queries")
+	})
+
+	It("returns results with Max=0 (regression: must not produce LIMIT 0)", func() {
+		results, err := mr.Search("Beatles", model.QueryOptions{Max: 0})
+		Expect(err).ToNot(HaveOccurred())
+		Expect(results).ToNot(BeEmpty(), "Max=0 should mean no limit, not LIMIT 0")
+	})
+})

persistence/sql_search_test.go

@@ -1,6 +1,8 @@
 package persistence
 
 import (
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/conf/configtest"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 )
@@ -11,4 +13,100 @@ var _ = Describe("sqlRepository", func() {
 			Expect(formatFullText("legiao urbana")).To(Equal(" legiao urbana"))
 		})
 	})
+
+	Describe("getSearchStrategy", func() {
+		It("returns FTS strategy by default", func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "fts"
+			conf.Server.Search.FullString = false
+
+			strategy := getSearchStrategy("media_file", "test")
+			Expect(strategy).ToNot(BeNil())
+			sql, _, err := strategy.ToSql()
+			Expect(err).ToNot(HaveOccurred())
+			Expect(sql).To(ContainSubstring("MATCH"))
+		})
+
+		It("returns legacy LIKE strategy when SearchBackend is legacy", func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "legacy"
+			conf.Server.Search.FullString = false
+
+			strategy := getSearchStrategy("media_file", "test")
+			Expect(strategy).ToNot(BeNil())
+			sql, _, err := strategy.ToSql()
+			Expect(err).ToNot(HaveOccurred())
+			Expect(sql).To(ContainSubstring("LIKE"))
+		})
+
+		It("falls back to legacy LIKE strategy when SearchFullString is enabled", func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "fts"
+			conf.Server.Search.FullString = true
+
+			strategy := getSearchStrategy("media_file", "test")
+			Expect(strategy).ToNot(BeNil())
+			sql, _, err := strategy.ToSql()
+			Expect(err).ToNot(HaveOccurred())
+			Expect(sql).To(ContainSubstring("LIKE"))
+		})
+
+		It("routes CJK queries to LIKE strategy instead of FTS", func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "fts"
+			conf.Server.Search.FullString = false
+
+			strategy := getSearchStrategy("media_file", "周杰伦")
+			Expect(strategy).ToNot(BeNil())
+			sql, _, err := strategy.ToSql()
+			Expect(err).ToNot(HaveOccurred())
+			// CJK should use LIKE, not MATCH
+			Expect(sql).To(ContainSubstring("LIKE"))
+			Expect(sql).NotTo(ContainSubstring("MATCH"))
+		})
+
+		It("routes non-CJK queries to FTS strategy", func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "fts"
+			conf.Server.Search.FullString = false
+
+			strategy := getSearchStrategy("media_file", "beatles")
+			Expect(strategy).ToNot(BeNil())
+			sql, _, err := strategy.ToSql()
+			Expect(err).ToNot(HaveOccurred())
+			Expect(sql).To(ContainSubstring("MATCH"))
+		})
+
+		It("returns non-nil for single-character query (no min-length in strategy)", func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "fts"
+			conf.Server.Search.FullString = false
+
+			strategy := getSearchStrategy("media_file", "a")
+			Expect(strategy).ToNot(BeNil(), "single-char queries must be accepted by strategies (min-length is enforced in doSearch)")
+		})
+
+		It("returns non-nil for single-character query with legacy backend", func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "legacy"
+			conf.Server.Search.FullString = false
+
+			strategy := getSearchStrategy("media_file", "a")
+			Expect(strategy).ToNot(BeNil(), "single-char queries must be accepted by legacy strategy (min-length is enforced in doSearch)")
+		})
+
+		It("uses legacy for CJK when SearchBackend is legacy", func() {
+			DeferCleanup(configtest.SetupConfig())
+			conf.Server.Search.Backend = "legacy"
+			conf.Server.Search.FullString = false
+
+			strategy := getSearchStrategy("media_file", "周杰伦")
+			Expect(strategy).ToNot(BeNil())
+			sql, _, err := strategy.ToSql()
+			Expect(err).ToNot(HaveOccurred())
+			// Legacy should still use full_text column LIKE
+			Expect(sql).To(ContainSubstring("LIKE"))
+			Expect(sql).To(ContainSubstring("full_text"))
+		})
+	})
 })

plugins/capabilities/taskworker.go

@@ -0,0 +1,33 @@
+package capabilities
+
+// TaskWorker provides task execution handling.
+// This capability allows plugins to receive callbacks when their queued tasks
+// are ready to execute. Plugins that use the taskqueue host service must
+// implement this capability.
+//
+//nd:capability name=taskworker
+type TaskWorker interface {
+	// OnTaskExecute is called when a queued task is ready to run.
+	// Return an error to trigger retry (if retries are configured).
+	//nd:export name=nd_task_execute
+	OnTaskExecute(TaskExecuteRequest) (TaskExecuteResponse, error)
+}
+
+// TaskExecuteRequest is the request provided when a task is ready to execute.
+type TaskExecuteRequest struct {
+	// QueueName is the name of the queue this task belongs to.
+	QueueName string `json:"queueName"`
+	// TaskID is the unique identifier for this task.
+	TaskID string `json:"taskId"`
+	// Payload is the opaque data provided when the task was enqueued.
+	Payload []byte `json:"payload"`
+	// Attempt is the current attempt number (1-based: first attempt = 1).
+	Attempt int32 `json:"attempt"`
+}
+
+// TaskExecuteResponse is the response from task execution.
+type TaskExecuteResponse struct {
+	// Error, if non-empty, indicates the task failed. The task will be retried
+	// if retries are configured and attempts remain.
+	Error string `json:"error,omitempty"`
+}

plugins/capabilities/taskworker.yaml

@@ -0,0 +1,45 @@
+version: v1-draft
+exports:
+    nd_task_execute:
+        description: |-
+            OnTaskExecute is called when a queued task is ready to run.
+            Return an error to trigger retry (if retries are configured).
+        input:
+            $ref: '#/components/schemas/TaskExecuteRequest'
+            contentType: application/json
+        output:
+            $ref: '#/components/schemas/TaskExecuteResponse'
+            contentType: application/json
+components:
+    schemas:
+        TaskExecuteRequest:
+            description: TaskExecuteRequest is the request provided when a task is ready to execute.
+            properties:
+                queueName:
+                    type: string
+                    description: QueueName is the name of the queue this task belongs to.
+                taskId:
+                    type: string
+                    description: TaskID is the unique identifier for this task.
+                payload:
+                    type: array
+                    description: Payload is the opaque data provided when the task was enqueued.
+                    items:
+                        type: object
+                attempt:
+                    type: integer
+                    format: int32
+                    description: 'Attempt is the current attempt number (1-based: first attempt = 1).'
+            required:
+                - queueName
+                - taskId
+                - payload
+                - attempt
+        TaskExecuteResponse:
+            description: TaskExecuteResponse is the response from task execution.
+            properties:
+                error:
+                    type: string
+                    description: |-
+                        Error, if non-empty, indicates the task failed. The task will be retried
+                        if retries are configured and attempts remain.

plugins/examples/wikimedia/main.go

@@ -14,6 +14,7 @@ import (
 	"net/url"
 	"strings"
 
+	"github.com/navidrome/navidrome/plugins/pdk/go/host"
 	"github.com/navidrome/navidrome/plugins/pdk/go/metadata"
 	"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
 )
@@ -77,21 +78,28 @@ func sparqlQuery(endpoint, query string) (*SPARQLResult, error) {
 	form := url.Values{}
 	form.Set("query", query)
 
-	req := pdk.NewHTTPRequest(pdk.MethodPost, endpoint)
-	req.SetHeader("Accept", "application/sparql-results+json")
-	req.SetHeader("Content-Type", "application/x-www-form-urlencoded")
-	req.SetHeader("User-Agent", "NavidromeWikimediaPlugin/1.0")
-	req.SetBody([]byte(form.Encode()))
-
 	pdk.Log(pdk.LogDebug, fmt.Sprintf("SPARQL query to %s: %s", endpoint, query))
 
-	resp := req.Send()
+	resp, err := host.HTTPSend(host.HTTPRequest{
-	if resp.Status() != 200 {
+		Method: "POST",
-		return nil, fmt.Errorf("SPARQL HTTP error: status %d", resp.Status())
+		URL:    endpoint,
+		Headers: map[string]string{
+			"Accept":       "application/sparql-results+json",
+			"Content-Type": "application/x-www-form-urlencoded",
+			"User-Agent":   "NavidromeWikimediaPlugin/1.0",
+		},
+		Body:      []byte(form.Encode()),
+		TimeoutMs: 10000,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("SPARQL HTTP error: %w", err)
+	}
+	if resp.StatusCode != 200 {
+		return nil, fmt.Errorf("SPARQL HTTP error: status %d", resp.StatusCode)
 	}
 
 	var result SPARQLResult
-	if err := json.Unmarshal(resp.Body(), &result); err != nil {
+	if err := json.Unmarshal(resp.Body, &result); err != nil {
 		return nil, fmt.Errorf("failed to parse SPARQL response: %w", err)
 	}
 	if len(result.Results.Bindings) == 0 {
@@ -104,15 +112,22 @@ func sparqlQuery(endpoint, query string) (*SPARQLResult, error) {
 func mediawikiQuery(params url.Values) ([]byte, error) {
 	apiURL := fmt.Sprintf("%s?%s", mediawikiAPIEndpoint, params.Encode())
 
-	req := pdk.NewHTTPRequest(pdk.MethodGet, apiURL)
+	resp, err := host.HTTPSend(host.HTTPRequest{
-	req.SetHeader("Accept", "application/json")
+		Method: "GET",
-	req.SetHeader("User-Agent", "NavidromeWikimediaPlugin/1.0")
+		URL:    apiURL,
-
+		Headers: map[string]string{
-	resp := req.Send()
+			"Accept":     "application/json",
-	if resp.Status() != 200 {
+			"User-Agent": "NavidromeWikimediaPlugin/1.0",
-		return nil, fmt.Errorf("MediaWiki HTTP error: status %d", resp.Status())
+		},
+		TimeoutMs: 10000,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("MediaWiki HTTP error: %w", err)
 	}
-	return resp.Body(), nil
+	if resp.StatusCode != 200 {
+		return nil, fmt.Errorf("MediaWiki HTTP error: status %d", resp.StatusCode)
+	}
+	return resp.Body, nil
 }
 
 // getWikidataWikipediaURL fetches the Wikipedia URL from Wikidata using MBID or name

plugins/host/http.go

@@ -0,0 +1,40 @@
+package host
+
+import "context"
+
+// HTTPRequest represents an outbound HTTP request from a plugin.
+type HTTPRequest struct {
+	Method    string            `json:"method"`
+	URL       string            `json:"url"`
+	Headers   map[string]string `json:"headers,omitempty"`
+	Body      []byte            `json:"body,omitempty"`
+	TimeoutMs int32             `json:"timeoutMs,omitempty"`
+}
+
+// HTTPResponse represents the response from an outbound HTTP request.
+type HTTPResponse struct {
+	StatusCode int32             `json:"statusCode"`
+	Headers    map[string]string `json:"headers,omitempty"`
+	Body       []byte            `json:"body,omitempty"`
+}
+
+// HTTPService provides outbound HTTP request capabilities for plugins.
+//
+// This service allows plugins to make HTTP requests to external services.
+// Requests are validated against the plugin's declared requiredHosts patterns
+// from the http permission in the manifest. Redirects are followed but each
+// redirect destination is also validated against the allowed hosts.
+//
+//nd:hostservice name=HTTP permission=http
+type HTTPService interface {
+	// Send executes an HTTP request and returns the response.
+	//
+	// Parameters:
+	//   - request: The HTTP request to execute, including method, URL, headers, body, and timeout
+	//
+	// Returns the HTTP response with status code, headers, and body.
+	// Network errors, timeouts, and permission failures are returned as Go errors.
+	// Successful HTTP calls (including 4xx/5xx status codes) return a non-nil response with nil error.
+	//nd:hostfunc
+	Send(ctx context.Context, request HTTPRequest) (*HTTPResponse, error)
+}

plugins/host/http_gen.go

@@ -0,0 +1,88 @@
+// Code generated by ndpgen. DO NOT EDIT.
+
+package host
+
+import (
+	"context"
+	"encoding/json"
+
+	extism "github.com/extism/go-sdk"
+)
+
+// HTTPSendRequest is the request type for HTTP.Send.
+type HTTPSendRequest struct {
+	Request HTTPRequest `json:"request"`
+}
+
+// HTTPSendResponse is the response type for HTTP.Send.
+type HTTPSendResponse struct {
+	Result *HTTPResponse `json:"result,omitempty"`
+	Error  string        `json:"error,omitempty"`
+}
+
+// RegisterHTTPHostFunctions registers HTTP service host functions.
+// The returned host functions should be added to the plugin's configuration.
+func RegisterHTTPHostFunctions(service HTTPService) []extism.HostFunction {
+	return []extism.HostFunction{
+		newHTTPSendHostFunction(service),
+	}
+}
+
+func newHTTPSendHostFunction(service HTTPService) extism.HostFunction {
+	return extism.NewHostFunctionWithStack(
+		"http_send",
+		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
+			// Read JSON request from plugin memory
+			reqBytes, err := p.ReadBytes(stack[0])
+			if err != nil {
+				httpWriteError(p, stack, err)
+				return
+			}
+			var req HTTPSendRequest
+			if err := json.Unmarshal(reqBytes, &req); err != nil {
+				httpWriteError(p, stack, err)
+				return
+			}
+
+			// Call the service method
+			result, svcErr := service.Send(ctx, req.Request)
+			if svcErr != nil {
+				httpWriteError(p, stack, svcErr)
+				return
+			}
+
+			// Write JSON response to plugin memory
+			resp := HTTPSendResponse{
+				Result: result,
+			}
+			httpWriteResponse(p, stack, resp)
+		},
+		[]extism.ValueType{extism.ValueTypePTR},
+		[]extism.ValueType{extism.ValueTypePTR},
+	)
+}
+
+// httpWriteResponse writes a JSON response to plugin memory.
+func httpWriteResponse(p *extism.CurrentPlugin, stack []uint64, resp any) {
+	respBytes, err := json.Marshal(resp)
+	if err != nil {
+		httpWriteError(p, stack, err)
+		return
+	}
+	respPtr, err := p.WriteBytes(respBytes)
+	if err != nil {
+		stack[0] = 0
+		return
+	}
+	stack[0] = respPtr
+}
+
+// httpWriteError writes an error response to plugin memory.
+func httpWriteError(p *extism.CurrentPlugin, stack []uint64, err error) {
+	errResp := struct {
+		Error string `json:"error"`
+	}{Error: err.Error()}
+	respBytes, _ := json.Marshal(errResp)
+	respPtr, _ := p.WriteBytes(respBytes)
+	stack[0] = respPtr
+}

plugins/host/taskqueue.go

@@ -0,0 +1,57 @@
+package host
+
+import "context"
+
+// QueueConfig holds configuration for a task queue.
+type QueueConfig struct {
+	// Concurrency is the max number of parallel workers. Default: 1.
+	// Capped by the plugin's manifest maxConcurrency.
+	Concurrency int32 `json:"concurrency"`
+
+	// MaxRetries is the number of times to retry a failed task. Default: 0.
+	MaxRetries int32 `json:"maxRetries"`
+
+	// BackoffMs is the initial backoff between retries in milliseconds.
+	// Doubles each retry (exponential: backoffMs * 2^(attempt-1)). Default: 1000.
+	BackoffMs int64 `json:"backoffMs"`
+
+	// DelayMs is the minimum delay between starting consecutive tasks
+	// in milliseconds. Useful for rate limiting. Default: 0.
+	DelayMs int64 `json:"delayMs"`
+
+	// RetentionMs is how long completed/failed/cancelled tasks are kept
+	// in milliseconds. Default: 3600000 (1h). Min: 60000 (1m). Max: 604800000 (1w).
+	RetentionMs int64 `json:"retentionMs"`
+}
+
+// TaskQueueService provides persistent task queues for plugins.
+//
+// This service allows plugins to create named queues with configurable concurrency,
+// retry policies, and rate limiting. Tasks are persisted to SQLite and survive
+// server restarts. When a task is ready to execute, the host calls the plugin's
+// nd_task_execute callback function.
+//
+//nd:hostservice name=TaskQueue permission=taskqueue
+type TaskQueueService interface {
+	// CreateQueue creates a named task queue with the given configuration.
+	// Zero-value fields in config use sensible defaults.
+	// If a queue with the same name already exists, returns an error.
+	// On startup, this also recovers any stale "running" tasks from a previous crash.
+	//nd:hostfunc
+	CreateQueue(ctx context.Context, name string, config QueueConfig) error
+
+	// Enqueue adds a task to the named queue. Returns the task ID.
+	// payload is opaque bytes passed back to the plugin on execution.
+	//nd:hostfunc
+	Enqueue(ctx context.Context, queueName string, payload []byte) (string, error)
+
+	// GetTaskStatus returns the status of a task: "pending", "running",
+	// "completed", "failed", or "cancelled".
+	//nd:hostfunc
+	GetTaskStatus(ctx context.Context, taskID string) (string, error)
+
+	// CancelTask cancels a pending task. Returns error if already
+	// running, completed, or failed.
+	//nd:hostfunc
+	CancelTask(ctx context.Context, taskID string) error
+}

plugins/host/taskqueue_gen.go

@@ -0,0 +1,220 @@
+// Code generated by ndpgen. DO NOT EDIT.
+
+package host
+
+import (
+	"context"
+	"encoding/json"
+
+	extism "github.com/extism/go-sdk"
+)
+
+// TaskQueueCreateQueueRequest is the request type for TaskQueue.CreateQueue.
+type TaskQueueCreateQueueRequest struct {
+	Name   string      `json:"name"`
+	Config QueueConfig `json:"config"`
+}
+
+// TaskQueueCreateQueueResponse is the response type for TaskQueue.CreateQueue.
+type TaskQueueCreateQueueResponse struct {
+	Error string `json:"error,omitempty"`
+}
+
+// TaskQueueEnqueueRequest is the request type for TaskQueue.Enqueue.
+type TaskQueueEnqueueRequest struct {
+	QueueName string `json:"queueName"`
+	Payload   []byte `json:"payload"`
+}
+
+// TaskQueueEnqueueResponse is the response type for TaskQueue.Enqueue.
+type TaskQueueEnqueueResponse struct {
+	Result string `json:"result,omitempty"`
+	Error  string `json:"error,omitempty"`
+}
+
+// TaskQueueGetTaskStatusRequest is the request type for TaskQueue.GetTaskStatus.
+type TaskQueueGetTaskStatusRequest struct {
+	TaskID string `json:"taskId"`
+}
+
+// TaskQueueGetTaskStatusResponse is the response type for TaskQueue.GetTaskStatus.
+type TaskQueueGetTaskStatusResponse struct {
+	Result string `json:"result,omitempty"`
+	Error  string `json:"error,omitempty"`
+}
+
+// TaskQueueCancelTaskRequest is the request type for TaskQueue.CancelTask.
+type TaskQueueCancelTaskRequest struct {
+	TaskID string `json:"taskId"`
+}
+
+// TaskQueueCancelTaskResponse is the response type for TaskQueue.CancelTask.
+type TaskQueueCancelTaskResponse struct {
+	Error string `json:"error,omitempty"`
+}
+
+// RegisterTaskQueueHostFunctions registers TaskQueue service host functions.
+// The returned host functions should be added to the plugin's configuration.
+func RegisterTaskQueueHostFunctions(service TaskQueueService) []extism.HostFunction {
+	return []extism.HostFunction{
+		newTaskQueueCreateQueueHostFunction(service),
+		newTaskQueueEnqueueHostFunction(service),
+		newTaskQueueGetTaskStatusHostFunction(service),
+		newTaskQueueCancelTaskHostFunction(service),
+	}
+}
+
+func newTaskQueueCreateQueueHostFunction(service TaskQueueService) extism.HostFunction {
+	return extism.NewHostFunctionWithStack(
+		"taskqueue_createqueue",
+		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
+			// Read JSON request from plugin memory
+			reqBytes, err := p.ReadBytes(stack[0])
+			if err != nil {
+				taskqueueWriteError(p, stack, err)
+				return
+			}
+			var req TaskQueueCreateQueueRequest
+			if err := json.Unmarshal(reqBytes, &req); err != nil {
+				taskqueueWriteError(p, stack, err)
+				return
+			}
+
+			// Call the service method
+			if svcErr := service.CreateQueue(ctx, req.Name, req.Config); svcErr != nil {
+				taskqueueWriteError(p, stack, svcErr)
+				return
+			}
+
+			// Write JSON response to plugin memory
+			resp := TaskQueueCreateQueueResponse{}
+			taskqueueWriteResponse(p, stack, resp)
+		},
+		[]extism.ValueType{extism.ValueTypePTR},
+		[]extism.ValueType{extism.ValueTypePTR},
+	)
+}
+
+func newTaskQueueEnqueueHostFunction(service TaskQueueService) extism.HostFunction {
+	return extism.NewHostFunctionWithStack(
+		"taskqueue_enqueue",
+		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
+			// Read JSON request from plugin memory
+			reqBytes, err := p.ReadBytes(stack[0])
+			if err != nil {
+				taskqueueWriteError(p, stack, err)
+				return
+			}
+			var req TaskQueueEnqueueRequest
+			if err := json.Unmarshal(reqBytes, &req); err != nil {
+				taskqueueWriteError(p, stack, err)
+				return
+			}
+
+			// Call the service method
+			result, svcErr := service.Enqueue(ctx, req.QueueName, req.Payload)
+			if svcErr != nil {
+				taskqueueWriteError(p, stack, svcErr)
+				return
+			}
+
+			// Write JSON response to plugin memory
+			resp := TaskQueueEnqueueResponse{
+				Result: result,
+			}
+			taskqueueWriteResponse(p, stack, resp)
+		},
+		[]extism.ValueType{extism.ValueTypePTR},
+		[]extism.ValueType{extism.ValueTypePTR},
+	)
+}
+
+func newTaskQueueGetTaskStatusHostFunction(service TaskQueueService) extism.HostFunction {
+	return extism.NewHostFunctionWithStack(
+		"taskqueue_gettaskstatus",
+		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
+			// Read JSON request from plugin memory
+			reqBytes, err := p.ReadBytes(stack[0])
+			if err != nil {
+				taskqueueWriteError(p, stack, err)
+				return
+			}
+			var req TaskQueueGetTaskStatusRequest
+			if err := json.Unmarshal(reqBytes, &req); err != nil {
+				taskqueueWriteError(p, stack, err)
+				return
+			}
+
+			// Call the service method
+			result, svcErr := service.GetTaskStatus(ctx, req.TaskID)
+			if svcErr != nil {
+				taskqueueWriteError(p, stack, svcErr)
+				return
+			}
+
+			// Write JSON response to plugin memory
+			resp := TaskQueueGetTaskStatusResponse{
+				Result: result,
+			}
+			taskqueueWriteResponse(p, stack, resp)
+		},
+		[]extism.ValueType{extism.ValueTypePTR},
+		[]extism.ValueType{extism.ValueTypePTR},
+	)
+}
+
+func newTaskQueueCancelTaskHostFunction(service TaskQueueService) extism.HostFunction {
+	return extism.NewHostFunctionWithStack(
+		"taskqueue_canceltask",
+		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
+			// Read JSON request from plugin memory
+			reqBytes, err := p.ReadBytes(stack[0])
+			if err != nil {
+				taskqueueWriteError(p, stack, err)
+				return
+			}
+			var req TaskQueueCancelTaskRequest
+			if err := json.Unmarshal(reqBytes, &req); err != nil {
+				taskqueueWriteError(p, stack, err)
+				return
+			}
+
+			// Call the service method
+			if svcErr := service.CancelTask(ctx, req.TaskID); svcErr != nil {
+				taskqueueWriteError(p, stack, svcErr)
+				return
+			}
+
+			// Write JSON response to plugin memory
+			resp := TaskQueueCancelTaskResponse{}
+			taskqueueWriteResponse(p, stack, resp)
+		},
+		[]extism.ValueType{extism.ValueTypePTR},
+		[]extism.ValueType{extism.ValueTypePTR},
+	)
+}
+
+// taskqueueWriteResponse writes a JSON response to plugin memory.
+func taskqueueWriteResponse(p *extism.CurrentPlugin, stack []uint64, resp any) {
+	respBytes, err := json.Marshal(resp)
+	if err != nil {
+		taskqueueWriteError(p, stack, err)
+		return
+	}
+	respPtr, err := p.WriteBytes(respBytes)
+	if err != nil {
+		stack[0] = 0
+		return
+	}
+	stack[0] = respPtr
+}
+
+// taskqueueWriteError writes an error response to plugin memory.
+func taskqueueWriteError(p *extism.CurrentPlugin, stack []uint64, err error) {
+	errResp := struct {
+		Error string `json:"error"`
+	}{Error: err.Error()}
+	respBytes, _ := json.Marshal(errResp)
+	respPtr, _ := p.WriteBytes(respBytes)
+	stack[0] = respPtr
+}

plugins/host_httpclient.go

@@ -0,0 +1,190 @@
+package plugins
+
+import (
+	"bytes"
+	"cmp"
+	"context"
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/plugins/host"
+)
+
+const (
+	httpClientDefaultTimeout     = 10 * time.Second
+	httpClientMaxRedirects       = 5
+	httpClientMaxResponseBodyLen = 10 * 1024 * 1024 // 10 MB
+)
+
+// httpServiceImpl implements host.HTTPService.
+type httpServiceImpl struct {
+	pluginName    string
+	requiredHosts []string
+	client        *http.Client
+}
+
+// newHTTPService creates a new HTTPService for a plugin.
+func newHTTPService(pluginName string, permission *HTTPPermission) *httpServiceImpl {
+	var requiredHosts []string
+	if permission != nil {
+		requiredHosts = permission.RequiredHosts
+	}
+	svc := &httpServiceImpl{
+		pluginName:    pluginName,
+		requiredHosts: requiredHosts,
+	}
+	svc.client = &http.Client{
+		Transport: http.DefaultTransport,
+		// Timeout is set per-request via context deadline, not here.
+		// CheckRedirect validates hosts and enforces redirect limits.
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			if len(via) >= httpClientMaxRedirects {
+				log.Warn(req.Context(), "HTTP redirect limit exceeded", "plugin", svc.pluginName, "url", req.URL.String(), "redirectCount", len(via))
+				return http.ErrUseLastResponse
+			}
+			if err := svc.validateHost(req.Context(), req.URL.Host); err != nil {
+				log.Warn(req.Context(), "HTTP redirect blocked", "plugin", svc.pluginName, "url", req.URL.String(), "err", err)
+				return err
+			}
+			return nil
+		},
+	}
+	return svc
+}
+
+func (s *httpServiceImpl) Send(ctx context.Context, request host.HTTPRequest) (*host.HTTPResponse, error) {
+	// Parse and validate URL
+	parsedURL, err := url.Parse(request.URL)
+	if err != nil {
+		return nil, fmt.Errorf("invalid URL: %w", err)
+	}
+
+	// Validate URL scheme
+	if parsedURL.Scheme != "http" && parsedURL.Scheme != "https" {
+		return nil, fmt.Errorf("invalid URL scheme %q: must be http or https", parsedURL.Scheme)
+	}
+
+	// Validate host against allowed hosts and private IP restrictions
+	if err := s.validateHost(ctx, parsedURL.Host); err != nil {
+		return nil, err
+	}
+
+	// Apply per-request timeout via context deadline
+	timeout := cmp.Or(time.Duration(request.TimeoutMs)*time.Millisecond, httpClientDefaultTimeout)
+	ctx, cancel := context.WithTimeout(ctx, timeout)
+	defer cancel()
+
+	// Build request body
+	method := strings.ToUpper(request.Method)
+	var body io.Reader
+	if len(request.Body) > 0 {
+		body = bytes.NewReader(request.Body)
+	}
+
+	// Create HTTP request
+	httpReq, err := http.NewRequestWithContext(ctx, method, request.URL, body)
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+	for k, v := range request.Headers {
+		httpReq.Header.Set(k, v)
+	}
+
+	// Execute request
+	resp, err := s.client.Do(httpReq) //nolint:gosec // URL is validated against requiredHosts
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	log.Trace(ctx, "HTTP request", "plugin", s.pluginName, "method", method, "url", request.URL, "status", resp.StatusCode)
+
+	// Read response body (with size limit to prevent memory exhaustion)
+	respBody, err := io.ReadAll(io.LimitReader(resp.Body, httpClientMaxResponseBodyLen))
+	if err != nil {
+		return nil, fmt.Errorf("reading response body: %w", err)
+	}
+
+	// Flatten response headers (first value only)
+	headers := make(map[string]string, len(resp.Header))
+	for k, v := range resp.Header {
+		if len(v) > 0 {
+			headers[k] = v[0]
+		}
+	}
+
+	return &host.HTTPResponse{
+		StatusCode: int32(resp.StatusCode),
+		Headers:    headers,
+		Body:       respBody,
+	}, nil
+}
+
+// validateHost checks whether a request to the given host is permitted.
+// When requiredHosts is set, it checks against the allowlist.
+// When requiredHosts is empty, it blocks private/loopback IPs to prevent SSRF.
+func (s *httpServiceImpl) validateHost(ctx context.Context, hostStr string) error {
+	hostname := extractHostname(hostStr)
+
+	if len(s.requiredHosts) > 0 {
+		if !s.isHostAllowed(hostname) {
+			return fmt.Errorf("host %q is not allowed", hostStr)
+		}
+		return nil
+	}
+
+	// No explicit allowlist: block private/loopback IPs
+	if isPrivateOrLoopback(hostname) {
+		log.Warn(ctx, "HTTP request to private/loopback address blocked", "plugin", s.pluginName, "host", hostStr)
+		return fmt.Errorf("host %q is not allowed: private/loopback addresses require explicit requiredHosts in manifest", hostStr)
+	}
+	return nil
+}
+
+func (s *httpServiceImpl) isHostAllowed(hostname string) bool {
+	for _, pattern := range s.requiredHosts {
+		if matchHostPattern(pattern, hostname) {
+			return true
+		}
+	}
+	return false
+}
+
+// extractHostname returns the hostname portion of a host string, stripping
+// any port number and IPv6 brackets. It handles IPv6 addresses correctly
+// (e.g. "[::1]:8080" → "::1", "[::1]" → "::1").
+func extractHostname(hostStr string) string {
+	if h, _, err := net.SplitHostPort(hostStr); err == nil {
+		return h
+	}
+	// Strip IPv6 brackets when no port is present (e.g. "[::1]" → "::1")
+	if strings.HasPrefix(hostStr, "[") && strings.HasSuffix(hostStr, "]") {
+		return hostStr[1 : len(hostStr)-1]
+	}
+	return hostStr
+}
+
+// isPrivateOrLoopback returns true if the given hostname resolves to or is
+// a private, loopback, or link-local IP address. This includes:
+// IPv4: 127.0.0.0/8, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16, 169.254.0.0/16
+// IPv6: ::1, fc00::/7, fe80::/10
+// It also blocks "localhost" by name.
+func isPrivateOrLoopback(hostname string) bool {
+	if strings.EqualFold(hostname, "localhost") {
+		return true
+	}
+	ip := net.ParseIP(hostname)
+	if ip == nil {
+		return false
+	}
+	return ip.IsLoopback() || ip.IsPrivate() || ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast()
+}
+
+// Verify interface implementation
+var _ host.HTTPService = (*httpServiceImpl)(nil)

plugins/host_httpclient_test.go

@@ -0,0 +1,565 @@
+//go:build !windows
+
+package plugins
+
+import (
+	"context"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"time"
+
+	"github.com/navidrome/navidrome/plugins/host"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("httpServiceImpl", func() {
+	var (
+		svc *httpServiceImpl
+		ts  *httptest.Server
+	)
+
+	AfterEach(func() {
+		if ts != nil {
+			ts.Close()
+		}
+	})
+
+	Context("without host restrictions (default SSRF protection)", func() {
+		BeforeEach(func() {
+			svc = newHTTPService("test-plugin", nil)
+		})
+
+		It("should block requests to loopback IPs", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				w.WriteHeader(200)
+			}))
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("private/loopback"))
+		})
+
+		It("should block requests to localhost by name", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://localhost:12345/test",
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("private/loopback"))
+		})
+
+		It("should block requests to private IPs (10.x)", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://10.0.0.1/test",
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("private/loopback"))
+		})
+
+		It("should block requests to private IPs (192.168.x)", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://192.168.1.1/test",
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("private/loopback"))
+		})
+
+		It("should block requests to private IPs (172.16.x)", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://172.16.0.1/test",
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("private/loopback"))
+		})
+
+		It("should block requests to link-local IPs (169.254.x)", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://169.254.169.254/latest/meta-data/",
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("private/loopback"))
+		})
+
+		It("should block requests to IPv6 loopback with port", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://[::1]:8080/test",
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("private/loopback"))
+		})
+
+		It("should block requests to IPv6 loopback without port", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://[::1]/test",
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("private/loopback"))
+		})
+
+		It("should allow requests to public hostnames", func() {
+			// This will fail at the network level (connection refused or DNS),
+			// but it should NOT fail with a "private/loopback" error
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://203.0.113.1:1/test", // TEST-NET-3, non-routable but not private
+				TimeoutMs: 100,
+			})
+			// Should get a network error, not a permission error
+			if err != nil {
+				Expect(err.Error()).ToNot(ContainSubstring("private/loopback"))
+			}
+		})
+
+		It("should return error for invalid URL", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method: "GET",
+				URL:    "://bad-url",
+			})
+			Expect(err).To(HaveOccurred())
+		})
+
+		It("should reject non-http/https URL schemes", func() {
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method: "GET",
+				URL:    "ftp://example.com/file",
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("must be http or https"))
+		})
+	})
+
+	Context("with explicit requiredHosts allowing loopback", func() {
+		BeforeEach(func() {
+			svc = newHTTPService("test-plugin", &HTTPPermission{
+				RequiredHosts: []string{"127.0.0.1"},
+			})
+		})
+
+		It("should handle GET requests", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				Expect(r.Method).To(Equal("GET"))
+				w.Header().Set("X-Test", "ok")
+				w.WriteHeader(201)
+				_, _ = w.Write([]byte("hello"))
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				Headers:   map[string]string{"Accept": "text/plain"},
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(resp.StatusCode).To(Equal(int32(201)))
+			Expect(string(resp.Body)).To(Equal("hello"))
+			Expect(resp.Headers["X-Test"]).To(Equal("ok"))
+		})
+
+		It("should handle POST requests with body", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				Expect(r.Method).To(Equal("POST"))
+				b, _ := io.ReadAll(r.Body)
+				_, _ = w.Write([]byte("got:" + string(b)))
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "POST",
+				URL:       ts.URL,
+				Body:      []byte("abc"),
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(string(resp.Body)).To(Equal("got:abc"))
+		})
+
+		It("should handle PUT requests with body", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				Expect(r.Method).To(Equal("PUT"))
+				b, _ := io.ReadAll(r.Body)
+				_, _ = w.Write([]byte("put:" + string(b)))
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "PUT",
+				URL:       ts.URL,
+				Body:      []byte("xyz"),
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(string(resp.Body)).To(Equal("put:xyz"))
+		})
+
+		It("should handle DELETE requests", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				Expect(r.Method).To(Equal("DELETE"))
+				w.WriteHeader(204)
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "DELETE",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(resp.StatusCode).To(Equal(int32(204)))
+		})
+
+		It("should handle DELETE requests with body", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				Expect(r.Method).To(Equal("DELETE"))
+				b, _ := io.ReadAll(r.Body)
+				_, _ = w.Write([]byte("del:" + string(b)))
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "DELETE",
+				URL:       ts.URL,
+				Body:      []byte(`{"id":"123"}`),
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(string(resp.Body)).To(Equal(`del:{"id":"123"}`))
+		})
+
+		It("should handle PATCH requests with body", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				Expect(r.Method).To(Equal("PATCH"))
+				b, _ := io.ReadAll(r.Body)
+				_, _ = w.Write([]byte("patch:" + string(b)))
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "PATCH",
+				URL:       ts.URL,
+				Body:      []byte("data"),
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(string(resp.Body)).To(Equal("patch:data"))
+		})
+
+		It("should handle HEAD requests", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				Expect(r.Method).To(Equal("HEAD"))
+				w.Header().Set("Content-Type", "application/json")
+				w.WriteHeader(200)
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "HEAD",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(resp.StatusCode).To(Equal(int32(200)))
+			Expect(resp.Headers["Content-Type"]).To(Equal("application/json"))
+			Expect(resp.Body).To(BeEmpty())
+		})
+
+		It("should use default timeout when TimeoutMs is 0", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				w.WriteHeader(200)
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method: "GET",
+				URL:    ts.URL,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(resp.StatusCode).To(Equal(int32(200)))
+		})
+
+		It("should return error on timeout", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				time.Sleep(50 * time.Millisecond)
+			}))
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 1,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("deadline exceeded"))
+		})
+
+		It("should return error on context cancellation", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				time.Sleep(50 * time.Millisecond)
+			}))
+			ctx, cancel := context.WithCancel(context.Background())
+			go func() {
+				time.Sleep(1 * time.Millisecond)
+				cancel()
+			}()
+			_, err := svc.Send(ctx, host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 5000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("context canceled"))
+		})
+
+		It("should send request headers", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				_, _ = w.Write([]byte(r.Header.Get("X-Custom")))
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				Headers:   map[string]string{"X-Custom": "myvalue"},
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(string(resp.Body)).To(Equal("myvalue"))
+		})
+	})
+
+	Context("with host restrictions", func() {
+		BeforeEach(func() {
+			svc = newHTTPService("test-plugin", &HTTPPermission{
+				RequiredHosts: []string{"allowed.example.com", "*.allowed.org"},
+			})
+		})
+
+		It("should block requests to non-allowed hosts", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				w.WriteHeader(200)
+			}))
+			// httptest server is on 127.0.0.1 which is not in requiredHosts
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("not allowed"))
+		})
+
+		It("should follow redirects to allowed hosts", func() {
+			// Create a destination server
+			dest := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				_, _ = w.Write([]byte("final"))
+			}))
+			defer dest.Close()
+			// Create a redirect server
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				http.Redirect(w, r, dest.URL, http.StatusFound)
+			}))
+			// Allow both servers (both on 127.0.0.1)
+			svc.requiredHosts = []string{"127.0.0.1"}
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(resp.StatusCode).To(Equal(int32(200)))
+			Expect(string(resp.Body)).To(Equal("final"))
+		})
+
+		It("should block redirects to non-allowed hosts", func() {
+			// Server that redirects to a disallowed host
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				http.Redirect(w, r, "http://evil.example.com/steal", http.StatusFound)
+			}))
+			// Override requiredHosts to allow the test server
+			svc.requiredHosts = []string{"127.0.0.1"}
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("not allowed"))
+		})
+
+		It("should block redirects to private IPs when allowlist is set", func() {
+			// Server that redirects to a private IP
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				http.Redirect(w, r, "http://10.0.0.1/internal", http.StatusFound)
+			}))
+			// Allow the test server; redirect to 10.0.0.1 is blocked by allowlist
+			svc.requiredHosts = []string{"127.0.0.1"}
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(resp).To(BeNil())
+		})
+
+		It("should allow wildcard host patterns", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				_, _ = w.Write([]byte("wildcard"))
+			}))
+			// *.allowed.org is in the requiredHosts from BeforeEach, but test server is 127.0.0.1
+			// Override with a wildcard that matches the test server
+			svc.requiredHosts = []string{"*.0.0.1"}
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(string(resp.Body)).To(Equal("wildcard"))
+		})
+
+		It("should reject hosts not matching wildcard patterns", func() {
+			svc.requiredHosts = []string{"*.example.com"}
+			_, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       "http://evil.other.com/test",
+				TimeoutMs: 1000,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("not allowed"))
+		})
+	})
+
+	Context("response body size limit", func() {
+		BeforeEach(func() {
+			svc = newHTTPService("test-plugin", &HTTPPermission{
+				RequiredHosts: []string{"127.0.0.1"},
+			})
+		})
+
+		It("should truncate response body at the size limit", func() {
+			// Serve a body larger than the limit
+			oversizedBody := strings.Repeat("x", httpClientMaxResponseBodyLen+1024)
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				_, _ = w.Write([]byte(oversizedBody))
+			}))
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "GET",
+				URL:       ts.URL,
+				TimeoutMs: 5000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(len(resp.Body)).To(Equal(httpClientMaxResponseBodyLen))
+		})
+	})
+
+	Context("edge cases", func() {
+		BeforeEach(func() {
+			svc = newHTTPService("test-plugin", &HTTPPermission{
+				RequiredHosts: []string{"127.0.0.1"},
+			})
+		})
+
+		It("should default empty method to GET", func() {
+			ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				_, _ = w.Write([]byte("method:" + r.Method))
+			}))
+			// Empty method — Go's http.NewRequestWithContext normalizes "" to "GET"
+			resp, err := svc.Send(context.Background(), host.HTTPRequest{
+				Method:    "",
+				URL:       ts.URL,
+				TimeoutMs: 1000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(string(resp.Body)).To(Equal("method:GET"))
+		})
+	})
+})
+
+var _ = Describe("extractHostname", func() {
+	It("should extract hostname from host:port", func() {
+		Expect(extractHostname("example.com:8080")).To(Equal("example.com"))
+	})
+
+	It("should return hostname when no port", func() {
+		Expect(extractHostname("example.com")).To(Equal("example.com"))
+	})
+
+	It("should handle IPv6 with port", func() {
+		Expect(extractHostname("[::1]:8080")).To(Equal("::1"))
+	})
+
+	It("should handle IPv6 without port", func() {
+		Expect(extractHostname("::1")).To(Equal("::1"))
+	})
+
+	It("should strip brackets from IPv6 without port", func() {
+		Expect(extractHostname("[::1]")).To(Equal("::1"))
+	})
+
+	It("should handle IPv4 with port", func() {
+		Expect(extractHostname("127.0.0.1:9090")).To(Equal("127.0.0.1"))
+	})
+
+	It("should handle IPv4 without port", func() {
+		Expect(extractHostname("127.0.0.1")).To(Equal("127.0.0.1"))
+	})
+})
+
+var _ = Describe("isPrivateOrLoopback", func() {
+	It("should detect IPv4 loopback", func() {
+		Expect(isPrivateOrLoopback("127.0.0.1")).To(BeTrue())
+		Expect(isPrivateOrLoopback("127.0.0.2")).To(BeTrue())
+	})
+
+	It("should detect IPv6 loopback", func() {
+		Expect(isPrivateOrLoopback("::1")).To(BeTrue())
+	})
+
+	It("should detect localhost by name", func() {
+		Expect(isPrivateOrLoopback("localhost")).To(BeTrue())
+		Expect(isPrivateOrLoopback("LOCALHOST")).To(BeTrue())
+	})
+
+	It("should detect 10.x.x.x private range", func() {
+		Expect(isPrivateOrLoopback("10.0.0.1")).To(BeTrue())
+		Expect(isPrivateOrLoopback("10.255.255.255")).To(BeTrue())
+	})
+
+	It("should detect 172.16.x.x private range", func() {
+		Expect(isPrivateOrLoopback("172.16.0.1")).To(BeTrue())
+		Expect(isPrivateOrLoopback("172.31.255.255")).To(BeTrue())
+	})
+
+	It("should detect 192.168.x.x private range", func() {
+		Expect(isPrivateOrLoopback("192.168.0.1")).To(BeTrue())
+		Expect(isPrivateOrLoopback("192.168.255.255")).To(BeTrue())
+	})
+
+	It("should detect link-local addresses", func() {
+		Expect(isPrivateOrLoopback("169.254.169.254")).To(BeTrue())
+		Expect(isPrivateOrLoopback("169.254.0.1")).To(BeTrue())
+	})
+
+	It("should detect IPv6 private (fc00::/7)", func() {
+		Expect(isPrivateOrLoopback("fd00::1")).To(BeTrue())
+	})
+
+	It("should detect IPv6 link-local (fe80::/10)", func() {
+		Expect(isPrivateOrLoopback("fe80::1")).To(BeTrue())
+	})
+
+	It("should allow public IPs", func() {
+		Expect(isPrivateOrLoopback("8.8.8.8")).To(BeFalse())
+		Expect(isPrivateOrLoopback("203.0.113.1")).To(BeFalse())
+		Expect(isPrivateOrLoopback("2001:db8::1")).To(BeFalse())
+	})
+
+	It("should allow non-IP hostnames (DNS names)", func() {
+		Expect(isPrivateOrLoopback("example.com")).To(BeFalse())
+		Expect(isPrivateOrLoopback("api.example.com")).To(BeFalse())
+	})
+
+	It("should not treat 172.32.x.x as private", func() {
+		Expect(isPrivateOrLoopback("172.32.0.1")).To(BeFalse())
+	})
+})

plugins/host_scheduler.go

@@ -188,12 +188,6 @@ func (s *schedulerServiceImpl) invokeCallback(ctx context.Context, scheduleID st
 		return
 	}
 
-	// Check if plugin has the scheduler capability
-	if !hasCapability(instance.capabilities, CapabilityScheduler) {
-		log.Warn(ctx, "Plugin does not have scheduler capability", "plugin", s.pluginName, "scheduleID", scheduleID)
-		return
-	}
-
 	// Prepare callback input
 	input := capabilities.SchedulerCallbackRequest{
 		ScheduleID:  scheduleID,

plugins/host_taskqueue.go

@@ -0,0 +1,562 @@
+package plugins
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"sync"
+	"time"
+
+	_ "github.com/mattn/go-sqlite3"
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/model/id"
+	"github.com/navidrome/navidrome/plugins/capabilities"
+	"github.com/navidrome/navidrome/plugins/host"
+	"golang.org/x/time/rate"
+)
+
+const (
+	defaultConcurrency int32 = 1
+	defaultBackoffMs   int64 = 1000
+	defaultRetentionMs int64 = 3_600_000   // 1 hour
+	minRetentionMs     int64 = 60_000      // 1 minute
+	maxRetentionMs     int64 = 604_800_000 // 1 week
+	maxQueueNameLength       = 128
+	maxPayloadSize           = 1 * 1024 * 1024 // 1MB
+	maxBackoffMs       int64 = 3_600_000       // 1 hour
+	cleanupInterval          = 5 * time.Minute
+	pollInterval             = 5 * time.Second
+	shutdownTimeout          = 10 * time.Second
+
+	taskStatusPending   = "pending"
+	taskStatusRunning   = "running"
+	taskStatusCompleted = "completed"
+	taskStatusFailed    = "failed"
+	taskStatusCancelled = "cancelled"
+)
+
+// CapabilityTaskWorker indicates the plugin can receive task execution callbacks.
+const CapabilityTaskWorker Capability = "TaskWorker"
+
+const FuncTaskWorkerCallback = "nd_task_execute"
+
+func init() {
+	registerCapability(CapabilityTaskWorker, FuncTaskWorkerCallback)
+}
+
+type queueState struct {
+	config  host.QueueConfig
+	signal  chan struct{}
+	limiter *rate.Limiter
+}
+
+// notifyWorkers sends a non-blocking signal to wake up queue workers.
+func (qs *queueState) notifyWorkers() {
+	select {
+	case qs.signal <- struct{}{}:
+	default:
+	}
+}
+
+// taskQueueServiceImpl implements host.TaskQueueService with SQLite persistence
+// and background worker goroutines for task execution.
+type taskQueueServiceImpl struct {
+	pluginName     string
+	manager        *Manager
+	maxConcurrency int32
+	db             *sql.DB
+	ctx            context.Context
+	cancel         context.CancelFunc
+	wg             sync.WaitGroup
+	mu             sync.Mutex
+	queues         map[string]*queueState
+
+	// For testing: override how callbacks are invoked
+	invokeCallbackFn func(ctx context.Context, queueName, taskID string, payload []byte, attempt int32) error
+}
+
+// newTaskQueueService creates a new taskQueueServiceImpl with its own SQLite database.
+func newTaskQueueService(pluginName string, manager *Manager, maxConcurrency int32) (*taskQueueServiceImpl, error) {
+	dataDir := filepath.Join(conf.Server.DataFolder, "plugins", pluginName)
+	if err := os.MkdirAll(dataDir, 0700); err != nil {
+		return nil, fmt.Errorf("creating plugin data directory: %w", err)
+	}
+
+	dbPath := filepath.Join(dataDir, "taskqueue.db")
+	db, err := sql.Open("sqlite3", dbPath+"?_busy_timeout=5000&_journal_mode=WAL&_foreign_keys=off")
+	if err != nil {
+		return nil, fmt.Errorf("opening taskqueue database: %w", err)
+	}
+
+	db.SetMaxOpenConns(3)
+	db.SetMaxIdleConns(1)
+
+	if err := createTaskQueueSchema(db); err != nil {
+		db.Close()
+		return nil, fmt.Errorf("creating taskqueue schema: %w", err)
+	}
+
+	ctx, cancel := context.WithCancel(manager.ctx)
+
+	s := &taskQueueServiceImpl{
+		pluginName:     pluginName,
+		manager:        manager,
+		maxConcurrency: maxConcurrency,
+		db:             db,
+		ctx:            ctx,
+		cancel:         cancel,
+		queues:         make(map[string]*queueState),
+	}
+	s.invokeCallbackFn = s.defaultInvokeCallback
+
+	s.wg.Go(s.cleanupLoop)
+
+	log.Debug("Initialized plugin taskqueue", "plugin", pluginName, "path", dbPath, "maxConcurrency", maxConcurrency)
+	return s, nil
+}
+
+func createTaskQueueSchema(db *sql.DB) error {
+	_, err := db.Exec(`
+		CREATE TABLE IF NOT EXISTS queues (
+			name TEXT PRIMARY KEY,
+			concurrency INTEGER NOT NULL DEFAULT 1,
+			max_retries INTEGER NOT NULL DEFAULT 0,
+			backoff_ms INTEGER NOT NULL DEFAULT 1000,
+			delay_ms INTEGER NOT NULL DEFAULT 0,
+			retention_ms INTEGER NOT NULL DEFAULT 3600000
+		);
+
+		CREATE TABLE IF NOT EXISTS tasks (
+			id TEXT PRIMARY KEY,
+			queue_name TEXT NOT NULL REFERENCES queues(name),
+			payload BLOB NOT NULL,
+			status TEXT NOT NULL DEFAULT 'pending',
+			attempt INTEGER NOT NULL DEFAULT 0,
+			max_retries INTEGER NOT NULL,
+			next_run_at INTEGER NOT NULL,
+			created_at INTEGER NOT NULL,
+			updated_at INTEGER NOT NULL
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_tasks_dequeue ON tasks(queue_name, status, next_run_at);
+	`)
+	return err
+}
+
+// applyConfigDefaults fills zero-value config fields with sensible defaults
+// and clamps values to valid ranges, logging warnings for clamped values.
+func (s *taskQueueServiceImpl) applyConfigDefaults(ctx context.Context, name string, config *host.QueueConfig) {
+	if config.Concurrency <= 0 {
+		config.Concurrency = defaultConcurrency
+	}
+	if config.BackoffMs <= 0 {
+		config.BackoffMs = defaultBackoffMs
+	}
+	if config.RetentionMs <= 0 {
+		config.RetentionMs = defaultRetentionMs
+	}
+
+	if config.RetentionMs < minRetentionMs {
+		log.Warn(ctx, "TaskQueue retention clamped to minimum", "plugin", s.pluginName, "queue", name,
+			"requested", config.RetentionMs, "min", minRetentionMs)
+		config.RetentionMs = minRetentionMs
+	}
+	if config.RetentionMs > maxRetentionMs {
+		log.Warn(ctx, "TaskQueue retention clamped to maximum", "plugin", s.pluginName, "queue", name,
+			"requested", config.RetentionMs, "max", maxRetentionMs)
+		config.RetentionMs = maxRetentionMs
+	}
+}
+
+// clampConcurrency reduces config.Concurrency if it exceeds the remaining budget.
+// Returns an error when the concurrency budget is fully exhausted.
+// Must be called with s.mu held.
+func (s *taskQueueServiceImpl) clampConcurrency(ctx context.Context, name string, config *host.QueueConfig) error {
+	var allocated int32
+	for _, qs := range s.queues {
+		allocated += qs.config.Concurrency
+	}
+	available := s.maxConcurrency - allocated
+	if available <= 0 {
+		log.Warn(ctx, "TaskQueue concurrency budget exhausted", "plugin", s.pluginName, "queue", name,
+			"allocated", allocated, "maxConcurrency", s.maxConcurrency)
+		return fmt.Errorf("concurrency budget exhausted (%d/%d allocated)", allocated, s.maxConcurrency)
+	}
+	if config.Concurrency > available {
+		log.Warn(ctx, "TaskQueue concurrency clamped", "plugin", s.pluginName, "queue", name,
+			"requested", config.Concurrency, "available", available, "maxConcurrency", s.maxConcurrency)
+		config.Concurrency = available
+	}
+	return nil
+}
+
+func (s *taskQueueServiceImpl) CreateQueue(ctx context.Context, name string, config host.QueueConfig) error {
+	if len(name) == 0 {
+		return fmt.Errorf("queue name cannot be empty")
+	}
+	if len(name) > maxQueueNameLength {
+		return fmt.Errorf("queue name exceeds maximum length of %d bytes", maxQueueNameLength)
+	}
+
+	s.applyConfigDefaults(ctx, name, &config)
+
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	if err := s.clampConcurrency(ctx, name, &config); err != nil {
+		return err
+	}
+
+	if _, exists := s.queues[name]; exists {
+		return fmt.Errorf("queue %q already exists", name)
+	}
+
+	// Upsert into queues table (idempotent across restarts)
+	_, err := s.db.ExecContext(ctx, `
+		INSERT INTO queues (name, concurrency, max_retries, backoff_ms, delay_ms, retention_ms)
+		VALUES (?, ?, ?, ?, ?, ?)
+		ON CONFLICT(name) DO UPDATE SET
+			concurrency = excluded.concurrency,
+			max_retries = excluded.max_retries,
+			backoff_ms = excluded.backoff_ms,
+			delay_ms = excluded.delay_ms,
+			retention_ms = excluded.retention_ms
+	`, name, config.Concurrency, config.MaxRetries, config.BackoffMs, config.DelayMs, config.RetentionMs)
+	if err != nil {
+		return fmt.Errorf("creating queue: %w", err)
+	}
+
+	// Reset stale running tasks from previous crash
+	now := time.Now().UnixMilli()
+	_, err = s.db.ExecContext(ctx, `
+		UPDATE tasks SET status = ?, updated_at = ? WHERE queue_name = ? AND status = ?
+	`, taskStatusPending, now, name, taskStatusRunning)
+	if err != nil {
+		return fmt.Errorf("resetting stale tasks: %w", err)
+	}
+
+	qs := &queueState{
+		config: config,
+		signal: make(chan struct{}, 1),
+	}
+	if config.DelayMs > 0 {
+		// Rate limit dispatches to enforce delay between tasks.
+		// Burst of 1 allows one immediate dispatch, then enforces the delay interval.
+		qs.limiter = rate.NewLimiter(rate.Every(time.Duration(config.DelayMs)*time.Millisecond), 1)
+	}
+	s.queues[name] = qs
+
+	for i := int32(0); i < config.Concurrency; i++ {
+		s.wg.Go(func() { s.worker(name, qs) })
+	}
+
+	log.Debug(ctx, "Created task queue", "plugin", s.pluginName, "queue", name,
+		"concurrency", config.Concurrency, "maxRetries", config.MaxRetries,
+		"backoffMs", config.BackoffMs, "delayMs", config.DelayMs, "retentionMs", config.RetentionMs)
+	return nil
+}
+
+func (s *taskQueueServiceImpl) Enqueue(ctx context.Context, queueName string, payload []byte) (string, error) {
+	s.mu.Lock()
+	qs, exists := s.queues[queueName]
+	s.mu.Unlock()
+
+	if !exists {
+		return "", fmt.Errorf("queue %q does not exist", queueName)
+	}
+	if len(payload) > maxPayloadSize {
+		return "", fmt.Errorf("payload size %d exceeds maximum of %d bytes", len(payload), maxPayloadSize)
+	}
+
+	taskID := id.NewRandom()
+	now := time.Now().UnixMilli()
+
+	_, err := s.db.ExecContext(ctx, `
+		INSERT INTO tasks (id, queue_name, payload, status, attempt, max_retries, next_run_at, created_at, updated_at)
+		VALUES (?, ?, ?, ?, 0, ?, ?, ?, ?)
+	`, taskID, queueName, payload, taskStatusPending, qs.config.MaxRetries, now, now, now)
+	if err != nil {
+		return "", fmt.Errorf("enqueuing task: %w", err)
+	}
+
+	qs.notifyWorkers()
+	log.Trace(ctx, "Enqueued task", "plugin", s.pluginName, "queue", queueName, "taskID", taskID)
+	return taskID, nil
+}
+
+// GetTaskStatus returns the status of a task.
+func (s *taskQueueServiceImpl) GetTaskStatus(ctx context.Context, taskID string) (string, error) {
+	var status string
+	err := s.db.QueryRowContext(ctx, `SELECT status FROM tasks WHERE id = ?`, taskID).Scan(&status)
+	if errors.Is(err, sql.ErrNoRows) {
+		return "", fmt.Errorf("task %q not found", taskID)
+	}
+	if err != nil {
+		return "", fmt.Errorf("getting task status: %w", err)
+	}
+	return status, nil
+}
+
+// CancelTask cancels a pending task.
+func (s *taskQueueServiceImpl) CancelTask(ctx context.Context, taskID string) error {
+	now := time.Now().UnixMilli()
+	result, err := s.db.ExecContext(ctx, `
+		UPDATE tasks SET status = ?, updated_at = ? WHERE id = ? AND status = ?
+	`, taskStatusCancelled, now, taskID, taskStatusPending)
+	if err != nil {
+		return fmt.Errorf("cancelling task: %w", err)
+	}
+
+	rowsAffected, err := result.RowsAffected()
+	if err != nil {
+		return fmt.Errorf("checking cancel result: %w", err)
+	}
+
+	if rowsAffected == 0 {
+		// Check if task exists at all
+		var status string
+		err := s.db.QueryRowContext(ctx, `SELECT status FROM tasks WHERE id = ?`, taskID).Scan(&status)
+		if errors.Is(err, sql.ErrNoRows) {
+			return fmt.Errorf("task %q not found", taskID)
+		}
+		if err != nil {
+			return fmt.Errorf("checking task existence: %w", err)
+		}
+		return fmt.Errorf("task %q cannot be cancelled (status: %s)", taskID, status)
+	}
+
+	log.Trace(ctx, "Cancelled task", "plugin", s.pluginName, "taskID", taskID)
+	return nil
+}
+
+// worker is the main loop for a single worker goroutine.
+func (s *taskQueueServiceImpl) worker(queueName string, qs *queueState) {
+	// Process any existing pending tasks immediately on startup
+	s.drainQueue(queueName, qs)
+
+	ticker := time.NewTicker(pollInterval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-s.ctx.Done():
+			return
+		case <-qs.signal:
+			s.drainQueue(queueName, qs)
+		case <-ticker.C:
+			s.drainQueue(queueName, qs)
+		}
+	}
+}
+
+func (s *taskQueueServiceImpl) drainQueue(queueName string, qs *queueState) {
+	for s.ctx.Err() == nil && s.processTask(queueName, qs) {
+	}
+}
+
+// processTask dequeues and processes a single task. Returns true if a task was processed.
+func (s *taskQueueServiceImpl) processTask(queueName string, qs *queueState) bool {
+	now := time.Now().UnixMilli()
+
+	// Atomically dequeue a task
+	var taskID string
+	var payload []byte
+	var attempt, maxRetries int32
+	err := s.db.QueryRowContext(s.ctx, `
+		UPDATE tasks SET status = ?, attempt = attempt + 1, updated_at = ?
+		WHERE id = (
+			SELECT id FROM tasks
+			WHERE queue_name = ? AND status = ? AND next_run_at <= ?
+			ORDER BY next_run_at, created_at LIMIT 1
+		)
+		RETURNING id, payload, attempt, max_retries
+	`, taskStatusRunning, now, queueName, taskStatusPending, now).Scan(&taskID, &payload, &attempt, &maxRetries)
+	if errors.Is(err, sql.ErrNoRows) {
+		return false
+	}
+	if err != nil {
+		log.Error(s.ctx, "Failed to dequeue task", "plugin", s.pluginName, "queue", queueName, err)
+		return false
+	}
+
+	// Enforce delay between task dispatches using a rate limiter.
+	// This is done after dequeue so that empty polls don't consume rate tokens.
+	if qs.limiter != nil {
+		if err := qs.limiter.Wait(s.ctx); err != nil {
+			// Context cancelled during wait — revert task to pending for recovery
+			s.revertTaskToPending(taskID)
+			return false
+		}
+	}
+
+	// Invoke callback
+	log.Debug(s.ctx, "Executing task", "plugin", s.pluginName, "queue", queueName, "taskID", taskID, "attempt", attempt)
+	callbackErr := s.invokeCallbackFn(s.ctx, queueName, taskID, payload, attempt)
+
+	// If context was cancelled (shutdown), revert task to pending for recovery
+	if s.ctx.Err() != nil {
+		s.revertTaskToPending(taskID)
+		return false
+	}
+
+	if callbackErr == nil {
+		s.completeTask(queueName, taskID)
+	} else {
+		s.handleTaskFailure(queueName, taskID, attempt, maxRetries, qs, callbackErr)
+	}
+	return true
+}
+
+func (s *taskQueueServiceImpl) completeTask(queueName, taskID string) {
+	now := time.Now().UnixMilli()
+	if _, err := s.db.ExecContext(s.ctx, `UPDATE tasks SET status = ?, updated_at = ? WHERE id = ?`, taskStatusCompleted, now, taskID); err != nil {
+		log.Error(s.ctx, "Failed to mark task as completed", "plugin", s.pluginName, "taskID", taskID, err)
+	}
+	log.Debug(s.ctx, "Task completed", "plugin", s.pluginName, "queue", queueName, "taskID", taskID)
+}
+
+func (s *taskQueueServiceImpl) handleTaskFailure(queueName, taskID string, attempt, maxRetries int32, qs *queueState, callbackErr error) {
+	log.Warn(s.ctx, "Task execution failed", "plugin", s.pluginName, "queue", queueName,
+		"taskID", taskID, "attempt", attempt, "maxRetries", maxRetries, "err", callbackErr)
+
+	now := time.Now().UnixMilli()
+	if attempt > maxRetries {
+		if _, err := s.db.ExecContext(s.ctx, `UPDATE tasks SET status = ?, updated_at = ? WHERE id = ?`, taskStatusFailed, now, taskID); err != nil {
+			log.Error(s.ctx, "Failed to mark task as failed", "plugin", s.pluginName, "taskID", taskID, err)
+		}
+		log.Warn(s.ctx, "Task failed after all retries", "plugin", s.pluginName, "queue", queueName, "taskID", taskID)
+		return
+	}
+
+	// Exponential backoff: backoffMs * 2^(attempt-1)
+	backoff := qs.config.BackoffMs << (attempt - 1)
+	if backoff <= 0 || backoff > maxBackoffMs {
+		backoff = maxBackoffMs
+	}
+	nextRunAt := now + backoff
+	if _, err := s.db.ExecContext(s.ctx, `
+		UPDATE tasks SET status = ?, next_run_at = ?, updated_at = ? WHERE id = ?
+	`, taskStatusPending, nextRunAt, now, taskID); err != nil {
+		log.Error(s.ctx, "Failed to reschedule task for retry", "plugin", s.pluginName, "taskID", taskID, err)
+	}
+
+	// Wake worker after backoff expires
+	time.AfterFunc(time.Duration(backoff)*time.Millisecond, func() {
+		qs.notifyWorkers()
+	})
+}
+
+// revertTaskToPending puts a running task back to pending status and decrements the attempt
+// counter (used during shutdown to ensure the interrupted attempt doesn't count).
+func (s *taskQueueServiceImpl) revertTaskToPending(taskID string) {
+	now := time.Now().UnixMilli()
+	_, err := s.db.Exec(`UPDATE tasks SET status = ?, attempt = MAX(attempt - 1, 0), updated_at = ? WHERE id = ? AND status = ?`, taskStatusPending, now, taskID, taskStatusRunning)
+	if err != nil {
+		log.Error("Failed to revert task to pending", "plugin", s.pluginName, "taskID", taskID, err)
+	}
+}
+
+// defaultInvokeCallback calls the plugin's nd_task_execute function.
+func (s *taskQueueServiceImpl) defaultInvokeCallback(ctx context.Context, queueName, taskID string, payload []byte, attempt int32) error {
+	s.manager.mu.RLock()
+	p, ok := s.manager.plugins[s.pluginName]
+	s.manager.mu.RUnlock()
+
+	if !ok {
+		return fmt.Errorf("plugin %s not loaded", s.pluginName)
+	}
+
+	input := capabilities.TaskExecuteRequest{
+		QueueName: queueName,
+		TaskID:    taskID,
+		Payload:   payload,
+		Attempt:   attempt,
+	}
+
+	result, err := callPluginFunction[capabilities.TaskExecuteRequest, capabilities.TaskExecuteResponse](ctx, p, FuncTaskWorkerCallback, input)
+	if err != nil {
+		return err
+	}
+	if result.Error != "" {
+		return fmt.Errorf("%s", result.Error)
+	}
+	return nil
+}
+
+// cleanupLoop periodically removes terminal tasks past their retention period.
+func (s *taskQueueServiceImpl) cleanupLoop() {
+	ticker := time.NewTicker(cleanupInterval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-s.ctx.Done():
+			return
+		case <-ticker.C:
+			s.runCleanup()
+		}
+	}
+}
+
+// runCleanup deletes terminal tasks past their retention period.
+func (s *taskQueueServiceImpl) runCleanup() {
+	s.mu.Lock()
+	queues := make(map[string]*queueState, len(s.queues))
+	for k, v := range s.queues {
+		queues[k] = v
+	}
+	s.mu.Unlock()
+
+	now := time.Now().UnixMilli()
+	for name, qs := range queues {
+		result, err := s.db.ExecContext(s.ctx, `
+			DELETE FROM tasks WHERE queue_name = ? AND status IN (?, ?, ?) AND updated_at + ? < ?
+		`, name, taskStatusCompleted, taskStatusFailed, taskStatusCancelled, qs.config.RetentionMs, now)
+		if err != nil {
+			log.Error(s.ctx, "Failed to cleanup tasks", "plugin", s.pluginName, "queue", name, err)
+			continue
+		}
+		if deleted, _ := result.RowsAffected(); deleted > 0 {
+			log.Debug(s.ctx, "Cleaned up terminal tasks", "plugin", s.pluginName, "queue", name, "deleted", deleted)
+		}
+	}
+}
+
+// Close shuts down the task queue service, stopping all workers and closing the database.
+func (s *taskQueueServiceImpl) Close() error {
+	// Cancel context to signal all goroutines
+	s.cancel()
+
+	// Wait for goroutines with timeout
+	done := make(chan struct{})
+	go func() {
+		s.wg.Wait()
+		close(done)
+	}()
+
+	select {
+	case <-done:
+	case <-time.After(shutdownTimeout):
+		log.Warn("TaskQueue shutdown timed out", "plugin", s.pluginName)
+	}
+
+	// Mark running tasks as pending for recovery on next startup
+	if s.db != nil {
+		now := time.Now().UnixMilli()
+		if _, err := s.db.Exec(`UPDATE tasks SET status = ?, updated_at = ? WHERE status = ?`, taskStatusPending, now, taskStatusRunning); err != nil {
+			log.Error("Failed to reset running tasks on shutdown", "plugin", s.pluginName, err)
+		}
+		log.Debug("Closing plugin taskqueue", "plugin", s.pluginName)
+		return s.db.Close()
+	}
+	return nil
+}
+
+// Compile-time verification
+var _ host.TaskQueueService = (*taskQueueServiceImpl)(nil)
+var _ io.Closer = (*taskQueueServiceImpl)(nil)

plugins/host_taskqueue_test.go

@@ -0,0 +1,968 @@
+//go:build !windows
+
+package plugins
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/navidrome/navidrome/conf"
+	"github.com/navidrome/navidrome/conf/configtest"
+	"github.com/navidrome/navidrome/model"
+	"github.com/navidrome/navidrome/plugins/host"
+	"github.com/navidrome/navidrome/tests"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("TaskQueueService", func() {
+	var tmpDir string
+	var service *taskQueueServiceImpl
+	var ctx context.Context
+	var manager *Manager
+
+	BeforeEach(func() {
+		ctx = GinkgoT().Context()
+		var err error
+		tmpDir, err = os.MkdirTemp("", "taskqueue-test-*")
+		Expect(err).ToNot(HaveOccurred())
+
+		DeferCleanup(configtest.SetupConfig())
+		conf.Server.DataFolder = tmpDir
+
+		// Create a mock manager with context
+		managerCtx, cancel := context.WithCancel(ctx)
+		manager = &Manager{
+			plugins: make(map[string]*plugin),
+			ctx:     managerCtx,
+		}
+		DeferCleanup(cancel)
+
+		service, err = newTaskQueueService("test_plugin", manager, 5)
+		Expect(err).ToNot(HaveOccurred())
+	})
+
+	AfterEach(func() {
+		if service != nil {
+			service.Close()
+		}
+		os.RemoveAll(tmpDir)
+	})
+
+	Describe("CreateQueue", func() {
+		It("creates a queue successfully", func() {
+			err := service.CreateQueue(ctx, "my-queue", host.QueueConfig{
+				Concurrency: 2,
+				MaxRetries:  3,
+				BackoffMs:   2000,
+				RetentionMs: 7200000,
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			service.mu.Lock()
+			qs, exists := service.queues["my-queue"]
+			service.mu.Unlock()
+			Expect(exists).To(BeTrue())
+			Expect(qs.config.Concurrency).To(Equal(int32(2)))
+			Expect(qs.config.MaxRetries).To(Equal(int32(3)))
+			Expect(qs.config.BackoffMs).To(Equal(int64(2000)))
+			Expect(qs.config.RetentionMs).To(Equal(int64(7200000)))
+		})
+
+		It("returns error for duplicate queue name", func() {
+			err := service.CreateQueue(ctx, "dup-queue", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			err = service.CreateQueue(ctx, "dup-queue", host.QueueConfig{})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("already exists"))
+		})
+	})
+
+	Describe("CreateQueue name validation", func() {
+		It("rejects empty queue name", func() {
+			err := service.CreateQueue(ctx, "", host.QueueConfig{})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("queue name cannot be empty"))
+		})
+
+		It("rejects over-length queue name", func() {
+			longName := strings.Repeat("a", maxQueueNameLength+1)
+			err := service.CreateQueue(ctx, longName, host.QueueConfig{})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("exceeds maximum length"))
+		})
+
+		It("accepts queue name at maximum length", func() {
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error {
+				return nil
+			}
+			exactName := strings.Repeat("a", maxQueueNameLength)
+			err := service.CreateQueue(ctx, exactName, host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+		})
+	})
+
+	Describe("CreateQueue defaults", func() {
+		It("applies defaults for zero-value config", func() {
+			err := service.CreateQueue(ctx, "defaults-queue", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			service.mu.Lock()
+			qs := service.queues["defaults-queue"]
+			service.mu.Unlock()
+			Expect(qs.config.Concurrency).To(Equal(defaultConcurrency))
+			Expect(qs.config.BackoffMs).To(Equal(defaultBackoffMs))
+			Expect(qs.config.RetentionMs).To(Equal(defaultRetentionMs))
+		})
+	})
+
+	Describe("CreateQueue defaults with negative values", func() {
+		It("applies default RetentionMs for negative value", func() {
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error {
+				return nil
+			}
+			err := service.CreateQueue(ctx, "neg-retention", host.QueueConfig{
+				RetentionMs: -500,
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			service.mu.Lock()
+			qs := service.queues["neg-retention"]
+			service.mu.Unlock()
+			Expect(qs.config.RetentionMs).To(Equal(defaultRetentionMs))
+		})
+	})
+
+	Describe("CreateQueue clamping", func() {
+		It("clamps concurrency exceeding maxConcurrency", func() {
+			// maxConcurrency is 5; request 10
+			err := service.CreateQueue(ctx, "clamped-queue", host.QueueConfig{
+				Concurrency: 10,
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			service.mu.Lock()
+			qs := service.queues["clamped-queue"]
+			service.mu.Unlock()
+			Expect(qs.config.Concurrency).To(Equal(int32(5)))
+		})
+
+		It("returns error when concurrency budget is exhausted", func() {
+			// maxConcurrency is 5; create a queue that uses all 5
+			err := service.CreateQueue(ctx, "full-budget", host.QueueConfig{
+				Concurrency: 5,
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Next queue should fail — no budget remaining
+			err = service.CreateQueue(ctx, "over-budget", host.QueueConfig{
+				Concurrency: 1,
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("concurrency budget exhausted"))
+		})
+
+		It("clamps retention below minimum", func() {
+			err := service.CreateQueue(ctx, "low-retention", host.QueueConfig{
+				RetentionMs: 100, // below minRetentionMs
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			service.mu.Lock()
+			qs := service.queues["low-retention"]
+			service.mu.Unlock()
+			Expect(qs.config.RetentionMs).To(Equal(minRetentionMs))
+		})
+
+		It("clamps retention above maximum", func() {
+			err := service.CreateQueue(ctx, "high-retention", host.QueueConfig{
+				RetentionMs: 999_999_999_999, // above maxRetentionMs
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			service.mu.Lock()
+			qs := service.queues["high-retention"]
+			service.mu.Unlock()
+			Expect(qs.config.RetentionMs).To(Equal(maxRetentionMs))
+		})
+	})
+
+	Describe("Enqueue", func() {
+		BeforeEach(func() {
+			// Use a no-op callback to prevent actual execution attempts
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error {
+				return nil
+			}
+			err := service.CreateQueue(ctx, "enqueue-test", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+		})
+
+		It("enqueues a task and returns task ID", func() {
+			taskID, err := service.Enqueue(ctx, "enqueue-test", []byte("payload"))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(taskID).ToNot(BeEmpty())
+		})
+
+		It("returns error for non-existent queue", func() {
+			_, err := service.Enqueue(ctx, "no-such-queue", []byte("payload"))
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("does not exist"))
+		})
+
+		It("rejects payload exceeding maximum size", func() {
+			bigPayload := make([]byte, maxPayloadSize+1)
+			_, err := service.Enqueue(ctx, "enqueue-test", bigPayload)
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("exceeds maximum"))
+		})
+
+		It("accepts payload at maximum size", func() {
+			exactPayload := make([]byte, maxPayloadSize)
+			taskID, err := service.Enqueue(ctx, "enqueue-test", exactPayload)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(taskID).ToNot(BeEmpty())
+		})
+	})
+
+	Describe("GetTaskStatus", func() {
+		BeforeEach(func() {
+			// Use a callback that blocks until context is cancelled so tasks stay pending
+			service.invokeCallbackFn = func(ctx context.Context, _, _ string, _ []byte, _ int32) error {
+				<-ctx.Done()
+				return ctx.Err()
+			}
+		})
+
+		It("returns pending for a new task", func() {
+			err := service.CreateQueue(ctx, "status-test", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID, err := service.Enqueue(ctx, "status-test", []byte("data"))
+			Expect(err).ToNot(HaveOccurred())
+
+			// The task may get picked up quickly; check initial status
+			// Since the callback blocks, it should be either pending or running
+			status, err := service.GetTaskStatus(ctx, taskID)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(status).To(BeElementOf("pending", "running"))
+		})
+
+		It("returns error for unknown task ID", func() {
+			_, err := service.GetTaskStatus(ctx, "nonexistent-id")
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("not found"))
+		})
+	})
+
+	Describe("CancelTask", func() {
+		BeforeEach(func() {
+			// Block callback so tasks stay in pending/running
+			service.invokeCallbackFn = func(ctx context.Context, _, _ string, _ []byte, _ int32) error {
+				<-ctx.Done()
+				return ctx.Err()
+			}
+		})
+
+		It("cancels a pending task", func() {
+			// Block the callback so the first task occupies the worker
+			started := make(chan struct{})
+			service.invokeCallbackFn = func(ctx context.Context, _, _ string, _ []byte, _ int32) error {
+				close(started)
+				<-ctx.Done()
+				return ctx.Err()
+			}
+
+			err := service.CreateQueue(ctx, "cancel-test", host.QueueConfig{
+				Concurrency: 1,
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Enqueue a blocker task to occupy the single worker
+			_, err = service.Enqueue(ctx, "cancel-test", []byte("blocker"))
+			Expect(err).ToNot(HaveOccurred())
+
+			// Wait for the blocker task to start running
+			Eventually(started).WithTimeout(5 * time.Second).Should(BeClosed())
+
+			// Enqueue a second task — it stays pending since the worker is busy
+			taskID, err := service.Enqueue(ctx, "cancel-test", []byte("cancel-me"))
+			Expect(err).ToNot(HaveOccurred())
+
+			err = service.CancelTask(ctx, taskID)
+			Expect(err).ToNot(HaveOccurred())
+
+			status, err := service.GetTaskStatus(ctx, taskID)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(status).To(Equal("cancelled"))
+		})
+
+		It("returns error for unknown task ID", func() {
+			err := service.CancelTask(ctx, "nonexistent-id")
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("not found"))
+		})
+
+		It("returns error for non-pending task", func() {
+			// Create a queue where tasks complete immediately
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error {
+				return nil
+			}
+			err := service.CreateQueue(ctx, "completed-test", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID, err := service.Enqueue(ctx, "completed-test", []byte("data"))
+			Expect(err).ToNot(HaveOccurred())
+
+			// Wait for task to complete
+			Eventually(func() string {
+				status, _ := service.GetTaskStatus(ctx, taskID)
+				return status
+			}).WithTimeout(5 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("completed"))
+
+			// Try to cancel completed task
+			err = service.CancelTask(ctx, taskID)
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("cannot be cancelled"))
+		})
+	})
+
+	Describe("Worker execution", func() {
+		It("invokes callback and completes task", func() {
+			var callCount atomic.Int32
+			var receivedQueueName, receivedTaskID string
+			var receivedPayload []byte
+			var receivedAttempt int32
+
+			service.invokeCallbackFn = func(_ context.Context, queueName, taskID string, payload []byte, attempt int32) error {
+				callCount.Add(1)
+				receivedQueueName = queueName
+				receivedTaskID = taskID
+				receivedPayload = payload
+				receivedAttempt = attempt
+				return nil
+			}
+
+			err := service.CreateQueue(ctx, "worker-test", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID, err := service.Enqueue(ctx, "worker-test", []byte("test-payload"))
+			Expect(err).ToNot(HaveOccurred())
+
+			Eventually(func() string {
+				status, _ := service.GetTaskStatus(ctx, taskID)
+				return status
+			}).WithTimeout(5 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("completed"))
+
+			Expect(callCount.Load()).To(Equal(int32(1)))
+			Expect(receivedQueueName).To(Equal("worker-test"))
+			Expect(receivedTaskID).To(Equal(taskID))
+			Expect(receivedPayload).To(Equal([]byte("test-payload")))
+			Expect(receivedAttempt).To(Equal(int32(1)))
+		})
+	})
+
+	Describe("Retry on failure", func() {
+		It("retries and eventually fails after exhausting retries", func() {
+			var callCount atomic.Int32
+
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error {
+				callCount.Add(1)
+				return fmt.Errorf("task failed")
+			}
+
+			err := service.CreateQueue(ctx, "retry-test", host.QueueConfig{
+				MaxRetries: 2,
+				BackoffMs:  10, // Very short for testing
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID, err := service.Enqueue(ctx, "retry-test", []byte("retry-payload"))
+			Expect(err).ToNot(HaveOccurred())
+
+			Eventually(func() string {
+				status, _ := service.GetTaskStatus(ctx, taskID)
+				return status
+			}).WithTimeout(10 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("failed"))
+
+			// 1 initial attempt + 2 retries = 3 total calls
+			Expect(callCount.Load()).To(Equal(int32(3)))
+		})
+	})
+
+	Describe("Retry then succeed", func() {
+		It("retries and succeeds on second attempt", func() {
+			var callCount atomic.Int32
+
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, attempt int32) error {
+				callCount.Add(1)
+				if attempt == 1 {
+					return fmt.Errorf("temporary error")
+				}
+				return nil
+			}
+
+			err := service.CreateQueue(ctx, "retry-succeed", host.QueueConfig{
+				MaxRetries: 1,
+				BackoffMs:  10, // Very short for testing
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID, err := service.Enqueue(ctx, "retry-succeed", []byte("data"))
+			Expect(err).ToNot(HaveOccurred())
+
+			Eventually(func() string {
+				status, _ := service.GetTaskStatus(ctx, taskID)
+				return status
+			}).WithTimeout(10 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("completed"))
+
+			Expect(callCount.Load()).To(Equal(int32(2)))
+		})
+	})
+
+	Describe("Backoff overflow cap", func() {
+		It("caps backoff at maxRetentionMs to prevent overflow", func() {
+			var callCount atomic.Int32
+
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error {
+				callCount.Add(1)
+				return fmt.Errorf("always fail")
+			}
+
+			err := service.CreateQueue(ctx, "backoff-overflow", host.QueueConfig{
+				MaxRetries: 3,
+				BackoffMs:  1_000_000_000, // Very large backoff to trigger overflow on exponentiation
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID, err := service.Enqueue(ctx, "backoff-overflow", []byte("overflow-test"))
+			Expect(err).ToNot(HaveOccurred())
+
+			// Wait for first attempt to fail
+			Eventually(func() int32 {
+				return callCount.Load()
+			}).WithTimeout(5 * time.Second).WithPolling(50 * time.Millisecond).Should(BeNumerically(">=", int32(1)))
+
+			// Check next_run_at is positive and reasonable (capped at maxRetentionMs from now)
+			var nextRunAt int64
+			err = service.db.QueryRow(`SELECT next_run_at FROM tasks WHERE id = ?`, taskID).Scan(&nextRunAt)
+			Expect(err).ToNot(HaveOccurred())
+
+			now := time.Now().UnixMilli()
+			Expect(nextRunAt).To(BeNumerically(">", int64(0)), "next_run_at should be positive")
+			Expect(nextRunAt).To(BeNumerically("<=", now+maxBackoffMs+1000), "next_run_at should be at most maxBackoffMs from now")
+		})
+	})
+
+	Describe("Delay enforcement with concurrent workers", func() {
+		It("enforces delay between dispatches even with multiple workers", func() {
+			var mu sync.Mutex
+			var dispatchTimes []time.Time
+
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error {
+				mu.Lock()
+				dispatchTimes = append(dispatchTimes, time.Now())
+				mu.Unlock()
+				return nil
+			}
+
+			err := service.CreateQueue(ctx, "delay-concurrent", host.QueueConfig{
+				Concurrency: 3,
+				DelayMs:     200,
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Enqueue 5 tasks
+			for i := 0; i < 5; i++ {
+				_, err := service.Enqueue(ctx, "delay-concurrent", []byte(fmt.Sprintf("task-%d", i)))
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			// Wait for all tasks to complete
+			Eventually(func() int {
+				mu.Lock()
+				defer mu.Unlock()
+				return len(dispatchTimes)
+			}).WithTimeout(10 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal(5))
+
+			// Sort dispatch times and verify gaps
+			mu.Lock()
+			sort.Slice(dispatchTimes, func(i, j int) bool {
+				return dispatchTimes[i].Before(dispatchTimes[j])
+			})
+			times := make([]time.Time, len(dispatchTimes))
+			copy(times, dispatchTimes)
+			mu.Unlock()
+
+			// Consecutive dispatches should have at least ~160ms gap (80% of 200ms)
+			for i := 1; i < len(times); i++ {
+				gap := times[i].Sub(times[i-1])
+				Expect(gap).To(BeNumerically(">=", 160*time.Millisecond),
+					fmt.Sprintf("gap between dispatch %d and %d was %v, expected >= 160ms", i-1, i, gap))
+			}
+		})
+	})
+
+	Describe("Shutdown recovery", func() {
+		It("resets stale running tasks on CreateQueue", func() {
+			// Create a first service and queue, enqueue a task
+			service.invokeCallbackFn = func(ctx context.Context, _, _ string, _ []byte, _ int32) error {
+				<-ctx.Done()
+				return ctx.Err()
+			}
+			err := service.CreateQueue(ctx, "recovery-queue", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID, err := service.Enqueue(ctx, "recovery-queue", []byte("stale-task"))
+			Expect(err).ToNot(HaveOccurred())
+
+			// Wait for the task to start running
+			Eventually(func() string {
+				status, _ := service.GetTaskStatus(ctx, taskID)
+				return status
+			}).WithTimeout(5 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("running"))
+
+			// Close the service (simulates crash - tasks left in running state)
+			service.Close()
+
+			// Create a new service pointing to the same DB
+			managerCtx2, cancel2 := context.WithCancel(ctx)
+			DeferCleanup(cancel2)
+			manager2 := &Manager{
+				plugins: make(map[string]*plugin),
+				ctx:     managerCtx2,
+			}
+
+			service, err = newTaskQueueService("test_plugin", manager2, 5)
+			Expect(err).ToNot(HaveOccurred())
+
+			// Override callback to succeed
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error {
+				return nil
+			}
+
+			// Re-create the queue - the upsert handles the existing row from the old service
+			err = service.CreateQueue(ctx, "recovery-queue", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			// The stale running task should now be reset to pending and eventually completed
+			Eventually(func() string {
+				status, _ := service.GetTaskStatus(ctx, taskID)
+				return status
+			}).WithTimeout(10 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("completed"))
+		})
+	})
+
+	Describe("Close", func() {
+		It("prevents subsequent operations after close", func() {
+			err := service.CreateQueue(ctx, "close-test", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			service.Close()
+
+			// After close, operations should fail
+			_, err = service.Enqueue(ctx, "close-test", []byte("data"))
+			Expect(err).To(HaveOccurred())
+		})
+	})
+
+	Describe("Plugin isolation", func() {
+		It("uses separate databases for different plugins", func() {
+			managerCtx2, cancel2 := context.WithCancel(ctx)
+			DeferCleanup(cancel2)
+			manager2 := &Manager{
+				plugins: make(map[string]*plugin),
+				ctx:     managerCtx2,
+			}
+
+			service2, err := newTaskQueueService("other_plugin", manager2, 5)
+			Expect(err).ToNot(HaveOccurred())
+			defer service2.Close()
+
+			// Check that separate database files exist
+			_, err = os.Stat(filepath.Join(tmpDir, "plugins", "test_plugin", "taskqueue.db"))
+			Expect(err).ToNot(HaveOccurred())
+			_, err = os.Stat(filepath.Join(tmpDir, "plugins", "other_plugin", "taskqueue.db"))
+			Expect(err).ToNot(HaveOccurred())
+
+			// Both services should be able to create queues with the same name independently
+			service.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error { return nil }
+			service2.invokeCallbackFn = func(_ context.Context, _, _ string, _ []byte, _ int32) error { return nil }
+
+			err = service.CreateQueue(ctx, "shared-name", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+			err = service2.CreateQueue(ctx, "shared-name", host.QueueConfig{})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Enqueue to each and verify they work independently
+			taskID1, err := service.Enqueue(ctx, "shared-name", []byte("plugin1"))
+			Expect(err).ToNot(HaveOccurred())
+			taskID2, err := service2.Enqueue(ctx, "shared-name", []byte("plugin2"))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(taskID1).ToNot(Equal(taskID2))
+
+			// Both should complete
+			Eventually(func() string {
+				status, _ := service.GetTaskStatus(ctx, taskID1)
+				return status
+			}).WithTimeout(5 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("completed"))
+
+			Eventually(func() string {
+				status, _ := service2.GetTaskStatus(ctx, taskID2)
+				return status
+			}).WithTimeout(5 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("completed"))
+		})
+	})
+})
+
+var _ = Describe("TaskQueueService Integration", Ordered, func() {
+	var manager *Manager
+	var tmpDir string
+
+	BeforeAll(func() {
+		var err error
+		tmpDir, err = os.MkdirTemp("", "taskqueue-integration-test-*")
+		Expect(err).ToNot(HaveOccurred())
+
+		// Copy the test-taskqueue plugin
+		srcPath := filepath.Join(testdataDir, "test-taskqueue"+PackageExtension)
+		destPath := filepath.Join(tmpDir, "test-taskqueue"+PackageExtension)
+		data, err := os.ReadFile(srcPath)
+		Expect(err).ToNot(HaveOccurred())
+		err = os.WriteFile(destPath, data, 0600)
+		Expect(err).ToNot(HaveOccurred())
+
+		// Compute SHA256 for the plugin
+		hash := sha256.Sum256(data)
+		hashHex := hex.EncodeToString(hash[:])
+
+		// Setup config
+		DeferCleanup(configtest.SetupConfig())
+		conf.Server.Plugins.Enabled = true
+		conf.Server.Plugins.Folder = tmpDir
+		conf.Server.Plugins.AutoReload = false
+		conf.Server.CacheFolder = filepath.Join(tmpDir, "cache")
+		conf.Server.DataFolder = tmpDir
+
+		// Setup mock DataStore with pre-enabled plugin
+		mockPluginRepo := tests.CreateMockPluginRepo()
+		mockPluginRepo.Permitted = true
+		mockPluginRepo.SetData(model.Plugins{{
+			ID:      "test-taskqueue",
+			Path:    destPath,
+			SHA256:  hashHex,
+			Enabled: true,
+		}})
+		dataStore := &tests.MockDataStore{MockedPlugin: mockPluginRepo}
+
+		// Create and start manager
+		manager = &Manager{
+			plugins:        make(map[string]*plugin),
+			ds:             dataStore,
+			metrics:        noopMetricsRecorder{},
+			subsonicRouter: http.NotFoundHandler(),
+		}
+		err = manager.Start(GinkgoT().Context())
+		Expect(err).ToNot(HaveOccurred())
+
+		DeferCleanup(func() {
+			_ = manager.Stop()
+			_ = os.RemoveAll(tmpDir)
+		})
+	})
+
+	// Helper types for calling the test plugin
+	type testQueueConfig struct {
+		Concurrency int32 `json:"concurrency,omitempty"`
+		MaxRetries  int32 `json:"maxRetries,omitempty"`
+		BackoffMs   int64 `json:"backoffMs,omitempty"`
+		DelayMs     int64 `json:"delayMs,omitempty"`
+		RetentionMs int64 `json:"retentionMs,omitempty"`
+	}
+
+	type testTaskQueueInput struct {
+		Operation string           `json:"operation"`
+		QueueName string           `json:"queueName,omitempty"`
+		Config    *testQueueConfig `json:"config,omitempty"`
+		Payload   []byte           `json:"payload,omitempty"`
+		TaskID    string           `json:"taskId,omitempty"`
+	}
+
+	type testTaskQueueOutput struct {
+		TaskID string  `json:"taskId,omitempty"`
+		Status string  `json:"status,omitempty"`
+		Error  *string `json:"error,omitempty"`
+	}
+
+	callTestTaskQueue := func(ctx context.Context, input testTaskQueueInput) (*testTaskQueueOutput, error) {
+		manager.mu.RLock()
+		p := manager.plugins["test-taskqueue"]
+		manager.mu.RUnlock()
+
+		instance, err := p.instance(ctx)
+		if err != nil {
+			return nil, err
+		}
+		defer instance.Close(ctx)
+
+		inputBytes, _ := json.Marshal(input)
+		_, outputBytes, err := instance.Call("nd_test_taskqueue", inputBytes)
+		if err != nil {
+			return nil, err
+		}
+
+		var output testTaskQueueOutput
+		if err := json.Unmarshal(outputBytes, &output); err != nil {
+			return nil, err
+		}
+		if output.Error != nil {
+			return nil, errors.New(*output.Error)
+		}
+		return &output, nil
+	}
+
+	Describe("Plugin Loading", func() {
+		It("should load plugin with taskqueue permission and TaskWorker capability", func() {
+			manager.mu.RLock()
+			p, ok := manager.plugins["test-taskqueue"]
+			manager.mu.RUnlock()
+			Expect(ok).To(BeTrue())
+			Expect(p.manifest.Permissions).ToNot(BeNil())
+			Expect(p.manifest.Permissions.Taskqueue).ToNot(BeNil())
+			Expect(p.manifest.Permissions.Taskqueue.MaxConcurrency).To(Equal(10))
+			Expect(p.capabilities).To(ContainElement(CapabilityTaskWorker))
+		})
+	})
+
+	Describe("Create Queue", func() {
+		It("should create a queue without error", func() {
+			ctx := GinkgoT().Context()
+			_, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "create_queue",
+				QueueName: "test-create",
+			})
+			Expect(err).ToNot(HaveOccurred())
+		})
+
+		It("should return error for duplicate queue name", func() {
+			ctx := GinkgoT().Context()
+			_, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "create_queue",
+				QueueName: "test-dup",
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "create_queue",
+				QueueName: "test-dup",
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("already exists"))
+		})
+	})
+
+	Describe("Enqueue and Task Completion", func() {
+		It("should enqueue a task and complete successfully", func() {
+			ctx := GinkgoT().Context()
+
+			// Create queue
+			_, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "create_queue",
+				QueueName: "test-complete",
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Enqueue task with payload "hello"
+			output, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "enqueue",
+				QueueName: "test-complete",
+				Payload:   []byte("hello"),
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(output.TaskID).ToNot(BeEmpty())
+
+			taskID := output.TaskID
+
+			// Poll until completed
+			Eventually(func() string {
+				out, err := callTestTaskQueue(ctx, testTaskQueueInput{
+					Operation: "get_task_status",
+					TaskID:    taskID,
+				})
+				if err != nil {
+					return "error"
+				}
+				return out.Status
+			}).WithTimeout(5 * time.Second).WithPolling(100 * time.Millisecond).Should(Equal("completed"))
+		})
+	})
+
+	Describe("Enqueue with Failure, No Retries", func() {
+		It("should fail when payload is 'fail' and maxRetries is 0", func() {
+			ctx := GinkgoT().Context()
+
+			// Create queue with no retries
+			_, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "create_queue",
+				QueueName: "test-fail-no-retry",
+				Config: &testQueueConfig{
+					MaxRetries: 0,
+				},
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Enqueue task that will fail
+			output, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "enqueue",
+				QueueName: "test-fail-no-retry",
+				Payload:   []byte("fail"),
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID := output.TaskID
+
+			// Poll until failed
+			Eventually(func() string {
+				out, err := callTestTaskQueue(ctx, testTaskQueueInput{
+					Operation: "get_task_status",
+					TaskID:    taskID,
+				})
+				if err != nil {
+					return "error"
+				}
+				return out.Status
+			}).WithTimeout(5 * time.Second).WithPolling(100 * time.Millisecond).Should(Equal("failed"))
+		})
+	})
+
+	Describe("Enqueue with Retry Then Success", func() {
+		It("should retry and eventually succeed with 'fail-then-succeed' payload", func() {
+			ctx := GinkgoT().Context()
+
+			// Create queue with retries and short backoff
+			_, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "create_queue",
+				QueueName: "test-retry-succeed",
+				Config: &testQueueConfig{
+					MaxRetries: 2,
+					BackoffMs:  100,
+				},
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Enqueue task that fails on attempt < 2, then succeeds
+			output, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "enqueue",
+				QueueName: "test-retry-succeed",
+				Payload:   []byte("fail-then-succeed"),
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			taskID := output.TaskID
+
+			// Poll until completed
+			Eventually(func() string {
+				out, err := callTestTaskQueue(ctx, testTaskQueueInput{
+					Operation: "get_task_status",
+					TaskID:    taskID,
+				})
+				if err != nil {
+					return "error"
+				}
+				return out.Status
+			}).WithTimeout(5 * time.Second).WithPolling(100 * time.Millisecond).Should(Equal("completed"))
+		})
+	})
+
+	Describe("Cancel Pending Task", func() {
+		It("should cancel a pending task", func() {
+			ctx := GinkgoT().Context()
+
+			// Create queue with concurrency=1 and a large delay between dispatches.
+			// The first task completes immediately (burst token), the second is dequeued
+			// but blocks on the rate limiter. Tasks 3+ remain in 'pending' and can be cancelled.
+			_, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "create_queue",
+				QueueName: "test-cancel",
+				Config: &testQueueConfig{
+					Concurrency: 1,
+					DelayMs:     60000,
+				},
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Enqueue several tasks - the first will complete immediately,
+			// the second will be dequeued but block on the rate limiter (status=running),
+			// the rest will stay pending.
+			var taskIDs []string
+			for i := 0; i < 5; i++ {
+				output, err := callTestTaskQueue(ctx, testTaskQueueInput{
+					Operation: "enqueue",
+					QueueName: "test-cancel",
+					Payload:   []byte("hello"),
+				})
+				Expect(err).ToNot(HaveOccurred())
+				taskIDs = append(taskIDs, output.TaskID)
+			}
+
+			// Wait for the first task to complete (it has no delay)
+			Eventually(func() string {
+				out, err := callTestTaskQueue(ctx, testTaskQueueInput{
+					Operation: "get_task_status",
+					TaskID:    taskIDs[0],
+				})
+				if err != nil {
+					return "error"
+				}
+				return out.Status
+			}).WithTimeout(5 * time.Second).WithPolling(50 * time.Millisecond).Should(Equal("completed"))
+
+			// Give the worker a moment to dequeue the second task (which will
+			// block on the delay) so tasks 3+ stay in 'pending'
+			time.Sleep(100 * time.Millisecond)
+
+			// Cancel the last task - it should still be pending
+			lastTaskID := taskIDs[len(taskIDs)-1]
+			_, err = callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "cancel_task",
+				TaskID:    lastTaskID,
+			})
+			Expect(err).ToNot(HaveOccurred())
+
+			// Verify status is cancelled
+			statusOut, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "get_task_status",
+				TaskID:    lastTaskID,
+			})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(statusOut.Status).To(Equal("cancelled"))
+		})
+	})
+
+	Describe("Enqueue to Non-Existent Queue", func() {
+		It("should return error when enqueueing to a queue that does not exist", func() {
+			ctx := GinkgoT().Context()
+
+			_, err := callTestTaskQueue(ctx, testTaskQueueInput{
+				Operation: "enqueue",
+				QueueName: "nonexistent-queue",
+				Payload:   []byte("payload"),
+			})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("does not exist"))
+		})
+	})
+})

plugins/host_websocket.go

@@ -256,8 +256,11 @@ func (s *webSocketServiceImpl) isHostAllowed(host string) bool {
 }
 
 // matchHostPattern matches a host against a pattern.
-// Supports wildcards like *.example.com
+// Supports "*" (allow all) and wildcards like "*.example.com".
 func matchHostPattern(pattern, host string) bool {
+	if pattern == "*" {
+		return true
+	}
 	if pattern == host {
 		return true
 	}

plugins/host_websocket_test.go

@@ -575,6 +575,12 @@ var _ = Describe("WebSocketService", Ordered, func() {
 			Expect(matchHostPattern("*.example.com", "deep.api.example.com")).To(BeTrue())
 		})
 
+		It("should match bare '*' as allow-all", func() {
+			Expect(matchHostPattern("*", "anything.example.com")).To(BeTrue())
+			Expect(matchHostPattern("*", "127.0.0.1")).To(BeTrue())
+			Expect(matchHostPattern("*", "::1")).To(BeTrue())
+		})
+
 		It("should not match partial patterns", func() {
 			Expect(matchHostPattern("*.example.com", "example.com.evil.org")).To(BeFalse())
 		})

plugins/manager_loader.go

@@ -119,6 +119,32 @@ var hostServices = []hostServiceEntry{
 			return host.RegisterUsersHostFunctions(service), nil
 		},
 	},
+	{
+		name:          "HTTP",
+		hasPermission: func(p *Permissions) bool { return p != nil && p.Http != nil },
+		create: func(ctx *serviceContext) ([]extism.HostFunction, io.Closer) {
+			perm := ctx.permissions.Http
+			service := newHTTPService(ctx.pluginName, perm)
+			return host.RegisterHTTPHostFunctions(service), nil
+		},
+	},
+	{
+		name:          "TaskQueue",
+		hasPermission: func(p *Permissions) bool { return p != nil && p.Taskqueue != nil },
+		create: func(ctx *serviceContext) ([]extism.HostFunction, io.Closer) {
+			perm := ctx.permissions.Taskqueue
+			maxConcurrency := int32(1)
+			if perm.MaxConcurrency > 0 {
+				maxConcurrency = int32(perm.MaxConcurrency)
+			}
+			service, err := newTaskQueueService(ctx.pluginName, ctx.manager, maxConcurrency)
+			if err != nil {
+				log.Error("Failed to create TaskQueue service", "plugin", ctx.pluginName, err)
+				return nil, nil
+			}
+			return host.RegisterTaskQueueHostFunctions(service), service
+		},
+	},
 }
 
 // extractManifest reads manifest from an .ndp package and computes its SHA-256 hash.

plugins/manifest-schema.json

@@ -110,6 +110,9 @@
         },
         "users": {
           "$ref": "#/$defs/UsersPermission"
+        },
+        "taskqueue": {
+          "$ref": "#/$defs/TaskQueuePermission"
         }
       }
     },
@@ -224,6 +227,23 @@
         }
       }
     },
+    "TaskQueuePermission": {
+      "type": "object",
+      "description": "Task queue permissions for background task processing",
+      "additionalProperties": false,
+      "properties": {
+        "reason": {
+          "type": "string",
+          "description": "Explanation for why task queue access is needed"
+        },
+        "maxConcurrency": {
+          "type": "integer",
+          "description": "Maximum total concurrent workers across all queues. Default: 1",
+          "minimum": 1,
+          "default": 1
+        }
+      }
+    },
     "UsersPermission": {
       "type": "object",
       "description": "Users service permissions for accessing user information",

plugins/manifest.go

@@ -64,6 +64,21 @@ func ValidateWithCapabilities(m *Manifest, capabilities []Capability) error {
 			return fmt.Errorf("scrobbler capability requires 'users' permission to be declared in manifest")
 		}
 	}
+
+	// Scheduler permission requires SchedulerCallback capability
+	if m.Permissions != nil && m.Permissions.Scheduler != nil {
+		if !hasCapability(capabilities, CapabilityScheduler) {
+			return fmt.Errorf("'scheduler' permission requires plugin to export '%s' function", FuncSchedulerCallback)
+		}
+	}
+
+	// TaskQueue permission requires TaskWorker capability
+	if m.Permissions != nil && m.Permissions.Taskqueue != nil {
+		if !hasCapability(capabilities, CapabilityTaskWorker) {
+			return fmt.Errorf("'taskqueue' permission requires plugin to export '%s' function", FuncTaskWorkerCallback)
+		}
+	}
+
 	return nil
 }
 

plugins/manifest_gen.go

@@ -181,6 +181,9 @@ type Permissions struct {
 	// Subsonicapi corresponds to the JSON schema field "subsonicapi".
 	Subsonicapi *SubsonicAPIPermission `json:"subsonicapi,omitempty" yaml:"subsonicapi,omitempty" mapstructure:"subsonicapi,omitempty"`
 
+	// Taskqueue corresponds to the JSON schema field "taskqueue".
+	Taskqueue *TaskQueuePermission `json:"taskqueue,omitempty" yaml:"taskqueue,omitempty" mapstructure:"taskqueue,omitempty"`
+
 	// Users corresponds to the JSON schema field "users".
 	Users *UsersPermission `json:"users,omitempty" yaml:"users,omitempty" mapstructure:"users,omitempty"`
 
@@ -200,6 +203,36 @@ type SubsonicAPIPermission struct {
 	Reason *string `json:"reason,omitempty" yaml:"reason,omitempty" mapstructure:"reason,omitempty"`
 }
 
+// Task queue permissions for background task processing
+type TaskQueuePermission struct {
+	// Maximum total concurrent workers across all queues. Default: 1
+	MaxConcurrency int `json:"maxConcurrency,omitempty" yaml:"maxConcurrency,omitempty" mapstructure:"maxConcurrency,omitempty"`
+
+	// Explanation for why task queue access is needed
+	Reason *string `json:"reason,omitempty" yaml:"reason,omitempty" mapstructure:"reason,omitempty"`
+}
+
+// UnmarshalJSON implements json.Unmarshaler.
+func (j *TaskQueuePermission) UnmarshalJSON(value []byte) error {
+	var raw map[string]interface{}
+	if err := json.Unmarshal(value, &raw); err != nil {
+		return err
+	}
+	type Plain TaskQueuePermission
+	var plain Plain
+	if err := json.Unmarshal(value, &plain); err != nil {
+		return err
+	}
+	if v, ok := raw["maxConcurrency"]; !ok || v == nil {
+		plain.MaxConcurrency = 1.0
+	}
+	if 1 > plain.MaxConcurrency {
+		return fmt.Errorf("field %s: must be >= %v", "maxConcurrency", 1)
+	}
+	*j = TaskQueuePermission(plain)
+	return nil
+}
+
 // Enable experimental WebAssembly threads support
 type ThreadsFeature struct {
 	// Explanation for why threads support is needed

plugins/pdk/go/go.mod

@@ -6,3 +6,10 @@ require (
 	github.com/extism/go-pdk v1.1.3
 	github.com/stretchr/testify v1.11.1
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/objx v0.5.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

plugins/pdk/go/host/doc.go

@@ -38,10 +38,12 @@ The following host services are available:
   - Artwork: provides artwork public URL generation capabilities for plugins.
   - Cache: provides in-memory TTL-based caching capabilities for plugins.
   - Config: provides access to plugin configuration values.
+  - HTTP: provides outbound HTTP request capabilities for plugins.
   - KVStore: provides persistent key-value storage for plugins.
   - Library: provides access to music library metadata for plugins.
   - Scheduler: provides task scheduling capabilities for plugins.
   - SubsonicAPI: provides access to Navidrome's Subsonic API from plugins.
+  - TaskQueue: provides persistent task queues for plugins.
   - Users: provides access to user information for plugins.
   - WebSocket: provides WebSocket communication capabilities for plugins.
 

plugins/pdk/go/host/nd_host_http.go

@@ -0,0 +1,89 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file contains client wrappers for the HTTP host service.
+// It is intended for use in Navidrome plugins built with TinyGo.
+//
+//go:build wasip1
+
+package host
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
+)
+
+// HTTPRequest represents the HTTPRequest data structure.
+// HTTPRequest represents an outbound HTTP request from a plugin.
+type HTTPRequest struct {
+	Method    string            `json:"method"`
+	URL       string            `json:"url"`
+	Headers   map[string]string `json:"headers"`
+	Body      []byte            `json:"body"`
+	TimeoutMs int32             `json:"timeoutMs"`
+}
+
+// HTTPResponse represents the HTTPResponse data structure.
+// HTTPResponse represents the response from an outbound HTTP request.
+type HTTPResponse struct {
+	StatusCode int32             `json:"statusCode"`
+	Headers    map[string]string `json:"headers"`
+	Body       []byte            `json:"body"`
+}
+
+// http_send is the host function provided by Navidrome.
+//
+//go:wasmimport extism:host/user http_send
+func http_send(uint64) uint64
+
+type hTTPSendRequest struct {
+	Request HTTPRequest `json:"request"`
+}
+
+type hTTPSendResponse struct {
+	Result *HTTPResponse `json:"result,omitempty"`
+	Error  string        `json:"error,omitempty"`
+}
+
+// HTTPSend calls the http_send host function.
+// Send executes an HTTP request and returns the response.
+//
+// Parameters:
+//   - request: The HTTP request to execute, including method, URL, headers, body, and timeout
+//
+// Returns the HTTP response with status code, headers, and body.
+// Network errors, timeouts, and permission failures are returned as Go errors.
+// Successful HTTP calls (including 4xx/5xx status codes) return a non-nil response with nil error.
+func HTTPSend(request HTTPRequest) (*HTTPResponse, error) {
+	// Marshal request to JSON
+	req := hTTPSendRequest{
+		Request: request,
+	}
+	reqBytes, err := json.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+	reqMem := pdk.AllocateBytes(reqBytes)
+	defer reqMem.Free()
+
+	// Call the host function
+	responsePtr := http_send(reqMem.Offset())
+
+	// Read the response from memory
+	responseMem := pdk.FindMemory(responsePtr)
+	responseBytes := responseMem.ReadBytes()
+
+	// Parse the response
+	var response hTTPSendResponse
+	if err := json.Unmarshal(responseBytes, &response); err != nil {
+		return nil, err
+	}
+
+	// Convert Error field to Go error
+	if response.Error != "" {
+		return nil, errors.New(response.Error)
+	}
+
+	return response.Result, nil
+}

plugins/pdk/go/host/nd_host_http_stub.go

@@ -0,0 +1,57 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file contains mock implementations for non-WASM builds.
+// These mocks allow IDE support, compilation, and unit testing on non-WASM platforms.
+// Plugin authors can use the exported mock instances to set expectations in tests.
+//
+//go:build !wasip1
+
+package host
+
+import "github.com/stretchr/testify/mock"
+
+// HTTPRequest represents the HTTPRequest data structure.
+// HTTPRequest represents an outbound HTTP request from a plugin.
+type HTTPRequest struct {
+	Method    string            `json:"method"`
+	URL       string            `json:"url"`
+	Headers   map[string]string `json:"headers"`
+	Body      []byte            `json:"body"`
+	TimeoutMs int32             `json:"timeoutMs"`
+}
+
+// HTTPResponse represents the HTTPResponse data structure.
+// HTTPResponse represents the response from an outbound HTTP request.
+type HTTPResponse struct {
+	StatusCode int32             `json:"statusCode"`
+	Headers    map[string]string `json:"headers"`
+	Body       []byte            `json:"body"`
+}
+
+// mockHTTPService is the mock implementation for testing.
+type mockHTTPService struct {
+	mock.Mock
+}
+
+// HTTPMock is the auto-instantiated mock instance for testing.
+// Use this to set expectations: host.HTTPMock.On("MethodName", args...).Return(values...)
+var HTTPMock = &mockHTTPService{}
+
+// Send is the mock method for HTTPSend.
+func (m *mockHTTPService) Send(request HTTPRequest) (*HTTPResponse, error) {
+	args := m.Called(request)
+	return args.Get(0).(*HTTPResponse), args.Error(1)
+}
+
+// HTTPSend delegates to the mock instance.
+// Send executes an HTTP request and returns the response.
+//
+// Parameters:
+//   - request: The HTTP request to execute, including method, URL, headers, body, and timeout
+//
+// Returns the HTTP response with status code, headers, and body.
+// Network errors, timeouts, and permission failures are returned as Go errors.
+// Successful HTTP calls (including 4xx/5xx status codes) return a non-nil response with nil error.
+func HTTPSend(request HTTPRequest) (*HTTPResponse, error) {
+	return HTTPMock.Send(request)
+}

plugins/pdk/go/host/nd_host_taskqueue.go

@@ -0,0 +1,219 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file contains client wrappers for the TaskQueue host service.
+// It is intended for use in Navidrome plugins built with TinyGo.
+//
+//go:build wasip1
+
+package host
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
+)
+
+// QueueConfig represents the QueueConfig data structure.
+// QueueConfig holds configuration for a task queue.
+type QueueConfig struct {
+	Concurrency int32 `json:"concurrency"`
+	MaxRetries  int32 `json:"maxRetries"`
+	BackoffMs   int64 `json:"backoffMs"`
+	DelayMs     int64 `json:"delayMs"`
+	RetentionMs int64 `json:"retentionMs"`
+}
+
+// taskqueue_createqueue is the host function provided by Navidrome.
+//
+//go:wasmimport extism:host/user taskqueue_createqueue
+func taskqueue_createqueue(uint64) uint64
+
+// taskqueue_enqueue is the host function provided by Navidrome.
+//
+//go:wasmimport extism:host/user taskqueue_enqueue
+func taskqueue_enqueue(uint64) uint64
+
+// taskqueue_gettaskstatus is the host function provided by Navidrome.
+//
+//go:wasmimport extism:host/user taskqueue_gettaskstatus
+func taskqueue_gettaskstatus(uint64) uint64
+
+// taskqueue_canceltask is the host function provided by Navidrome.
+//
+//go:wasmimport extism:host/user taskqueue_canceltask
+func taskqueue_canceltask(uint64) uint64
+
+type taskQueueCreateQueueRequest struct {
+	Name   string      `json:"name"`
+	Config QueueConfig `json:"config"`
+}
+
+type taskQueueEnqueueRequest struct {
+	QueueName string `json:"queueName"`
+	Payload   []byte `json:"payload"`
+}
+
+type taskQueueEnqueueResponse struct {
+	Result string `json:"result,omitempty"`
+	Error  string `json:"error,omitempty"`
+}
+
+type taskQueueGetTaskStatusRequest struct {
+	TaskID string `json:"taskId"`
+}
+
+type taskQueueGetTaskStatusResponse struct {
+	Result string `json:"result,omitempty"`
+	Error  string `json:"error,omitempty"`
+}
+
+type taskQueueCancelTaskRequest struct {
+	TaskID string `json:"taskId"`
+}
+
+// TaskQueueCreateQueue calls the taskqueue_createqueue host function.
+// CreateQueue creates a named task queue with the given configuration.
+// Zero-value fields in config use sensible defaults.
+// If a queue with the same name already exists, returns an error.
+// On startup, this also recovers any stale "running" tasks from a previous crash.
+func TaskQueueCreateQueue(name string, config QueueConfig) error {
+	// Marshal request to JSON
+	req := taskQueueCreateQueueRequest{
+		Name:   name,
+		Config: config,
+	}
+	reqBytes, err := json.Marshal(req)
+	if err != nil {
+		return err
+	}
+	reqMem := pdk.AllocateBytes(reqBytes)
+	defer reqMem.Free()
+
+	// Call the host function
+	responsePtr := taskqueue_createqueue(reqMem.Offset())
+
+	// Read the response from memory
+	responseMem := pdk.FindMemory(responsePtr)
+	responseBytes := responseMem.ReadBytes()
+
+	// Parse error-only response
+	var response struct {
+		Error string `json:"error,omitempty"`
+	}
+	if err := json.Unmarshal(responseBytes, &response); err != nil {
+		return err
+	}
+	if response.Error != "" {
+		return errors.New(response.Error)
+	}
+	return nil
+}
+
+// TaskQueueEnqueue calls the taskqueue_enqueue host function.
+// Enqueue adds a task to the named queue. Returns the task ID.
+// payload is opaque bytes passed back to the plugin on execution.
+func TaskQueueEnqueue(queueName string, payload []byte) (string, error) {
+	// Marshal request to JSON
+	req := taskQueueEnqueueRequest{
+		QueueName: queueName,
+		Payload:   payload,
+	}
+	reqBytes, err := json.Marshal(req)
+	if err != nil {
+		return "", err
+	}
+	reqMem := pdk.AllocateBytes(reqBytes)
+	defer reqMem.Free()
+
+	// Call the host function
+	responsePtr := taskqueue_enqueue(reqMem.Offset())
+
+	// Read the response from memory
+	responseMem := pdk.FindMemory(responsePtr)
+	responseBytes := responseMem.ReadBytes()
+
+	// Parse the response
+	var response taskQueueEnqueueResponse
+	if err := json.Unmarshal(responseBytes, &response); err != nil {
+		return "", err
+	}
+
+	// Convert Error field to Go error
+	if response.Error != "" {
+		return "", errors.New(response.Error)
+	}
+
+	return response.Result, nil
+}
+
+// TaskQueueGetTaskStatus calls the taskqueue_gettaskstatus host function.
+// GetTaskStatus returns the status of a task: "pending", "running",
+// "completed", "failed", or "cancelled".
+func TaskQueueGetTaskStatus(taskID string) (string, error) {
+	// Marshal request to JSON
+	req := taskQueueGetTaskStatusRequest{
+		TaskID: taskID,
+	}
+	reqBytes, err := json.Marshal(req)
+	if err != nil {
+		return "", err
+	}
+	reqMem := pdk.AllocateBytes(reqBytes)
+	defer reqMem.Free()
+
+	// Call the host function
+	responsePtr := taskqueue_gettaskstatus(reqMem.Offset())
+
+	// Read the response from memory
+	responseMem := pdk.FindMemory(responsePtr)
+	responseBytes := responseMem.ReadBytes()
+
+	// Parse the response
+	var response taskQueueGetTaskStatusResponse
+	if err := json.Unmarshal(responseBytes, &response); err != nil {
+		return "", err
+	}
+
+	// Convert Error field to Go error
+	if response.Error != "" {
+		return "", errors.New(response.Error)
+	}
+
+	return response.Result, nil
+}
+
+// TaskQueueCancelTask calls the taskqueue_canceltask host function.
+// CancelTask cancels a pending task. Returns error if already
+// running, completed, or failed.
+func TaskQueueCancelTask(taskID string) error {
+	// Marshal request to JSON
+	req := taskQueueCancelTaskRequest{
+		TaskID: taskID,
+	}
+	reqBytes, err := json.Marshal(req)
+	if err != nil {
+		return err
+	}
+	reqMem := pdk.AllocateBytes(reqBytes)
+	defer reqMem.Free()
+
+	// Call the host function
+	responsePtr := taskqueue_canceltask(reqMem.Offset())
+
+	// Read the response from memory
+	responseMem := pdk.FindMemory(responsePtr)
+	responseBytes := responseMem.ReadBytes()
+
+	// Parse error-only response
+	var response struct {
+		Error string `json:"error,omitempty"`
+	}
+	if err := json.Unmarshal(responseBytes, &response); err != nil {
+		return err
+	}
+	if response.Error != "" {
+		return errors.New(response.Error)
+	}
+	return nil
+}

plugins/pdk/go/host/nd_host_taskqueue_stub.go

@@ -0,0 +1,84 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file contains mock implementations for non-WASM builds.
+// These mocks allow IDE support, compilation, and unit testing on non-WASM platforms.
+// Plugin authors can use the exported mock instances to set expectations in tests.
+//
+//go:build !wasip1
+
+package host
+
+import "github.com/stretchr/testify/mock"
+
+// QueueConfig represents the QueueConfig data structure.
+// QueueConfig holds configuration for a task queue.
+type QueueConfig struct {
+	Concurrency int32 `json:"concurrency"`
+	MaxRetries  int32 `json:"maxRetries"`
+	BackoffMs   int64 `json:"backoffMs"`
+	DelayMs     int64 `json:"delayMs"`
+	RetentionMs int64 `json:"retentionMs"`
+}
+
+// mockTaskQueueService is the mock implementation for testing.
+type mockTaskQueueService struct {
+	mock.Mock
+}
+
+// TaskQueueMock is the auto-instantiated mock instance for testing.
+// Use this to set expectations: host.TaskQueueMock.On("MethodName", args...).Return(values...)
+var TaskQueueMock = &mockTaskQueueService{}
+
+// CreateQueue is the mock method for TaskQueueCreateQueue.
+func (m *mockTaskQueueService) CreateQueue(name string, config QueueConfig) error {
+	args := m.Called(name, config)
+	return args.Error(0)
+}
+
+// TaskQueueCreateQueue delegates to the mock instance.
+// CreateQueue creates a named task queue with the given configuration.
+// Zero-value fields in config use sensible defaults.
+// If a queue with the same name already exists, returns an error.
+// On startup, this also recovers any stale "running" tasks from a previous crash.
+func TaskQueueCreateQueue(name string, config QueueConfig) error {
+	return TaskQueueMock.CreateQueue(name, config)
+}
+
+// Enqueue is the mock method for TaskQueueEnqueue.
+func (m *mockTaskQueueService) Enqueue(queueName string, payload []byte) (string, error) {
+	args := m.Called(queueName, payload)
+	return args.String(0), args.Error(1)
+}
+
+// TaskQueueEnqueue delegates to the mock instance.
+// Enqueue adds a task to the named queue. Returns the task ID.
+// payload is opaque bytes passed back to the plugin on execution.
+func TaskQueueEnqueue(queueName string, payload []byte) (string, error) {
+	return TaskQueueMock.Enqueue(queueName, payload)
+}
+
+// GetTaskStatus is the mock method for TaskQueueGetTaskStatus.
+func (m *mockTaskQueueService) GetTaskStatus(taskID string) (string, error) {
+	args := m.Called(taskID)
+	return args.String(0), args.Error(1)
+}
+
+// TaskQueueGetTaskStatus delegates to the mock instance.
+// GetTaskStatus returns the status of a task: "pending", "running",
+// "completed", "failed", or "cancelled".
+func TaskQueueGetTaskStatus(taskID string) (string, error) {
+	return TaskQueueMock.GetTaskStatus(taskID)
+}
+
+// CancelTask is the mock method for TaskQueueCancelTask.
+func (m *mockTaskQueueService) CancelTask(taskID string) error {
+	args := m.Called(taskID)
+	return args.Error(0)
+}
+
+// TaskQueueCancelTask delegates to the mock instance.
+// CancelTask cancels a pending task. Returns error if already
+// running, completed, or failed.
+func TaskQueueCancelTask(taskID string) error {
+	return TaskQueueMock.CancelTask(taskID)
+}

plugins/pdk/go/taskworker/taskworker.go

@@ -0,0 +1,86 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file contains export wrappers for the TaskWorker capability.
+// It is intended for use in Navidrome plugins built with TinyGo.
+//
+//go:build wasip1
+
+package taskworker
+
+import (
+	"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
+)
+
+// TaskExecuteRequest is the request provided when a task is ready to execute.
+type TaskExecuteRequest struct {
+	// QueueName is the name of the queue this task belongs to.
+	QueueName string `json:"queueName"`
+	// TaskID is the unique identifier for this task.
+	TaskID string `json:"taskId"`
+	// Payload is the opaque data provided when the task was enqueued.
+	Payload []byte `json:"payload"`
+	// Attempt is the current attempt number (1-based: first attempt = 1).
+	Attempt int32 `json:"attempt"`
+}
+
+// TaskExecuteResponse is the response from task execution.
+type TaskExecuteResponse struct {
+	// Error, if non-empty, indicates the task failed. The task will be retried
+	// if retries are configured and attempts remain.
+	Error string `json:"error,omitempty"`
+}
+
+// TaskWorker is the marker interface for taskworker plugins.
+// Implement one or more of the provider interfaces below.
+// TaskWorker provides task execution handling.
+// This capability allows plugins to receive callbacks when their queued tasks
+// are ready to execute. Plugins that use the taskqueue host service must
+// implement this capability.
+type TaskWorker interface{}
+
+// TaskExecuteProvider provides the OnTaskExecute function.
+type TaskExecuteProvider interface {
+	OnTaskExecute(TaskExecuteRequest) (TaskExecuteResponse, error)
+} // Internal implementation holders
+var (
+	taskExecuteImpl func(TaskExecuteRequest) (TaskExecuteResponse, error)
+)
+
+// Register registers a taskworker implementation.
+// The implementation is checked for optional provider interfaces.
+func Register(impl TaskWorker) {
+	if p, ok := impl.(TaskExecuteProvider); ok {
+		taskExecuteImpl = p.OnTaskExecute
+	}
+}
+
+// NotImplementedCode is the standard return code for unimplemented functions.
+// The host recognizes this and skips the plugin gracefully.
+const NotImplementedCode int32 = -2
+
+//go:wasmexport nd_task_execute
+func _NdTaskExecute() int32 {
+	if taskExecuteImpl == nil {
+		// Return standard code - host will skip this plugin gracefully
+		return NotImplementedCode
+	}
+
+	var input TaskExecuteRequest
+	if err := pdk.InputJSON(&input); err != nil {
+		pdk.SetError(err)
+		return -1
+	}
+
+	output, err := taskExecuteImpl(input)
+	if err != nil {
+		pdk.SetError(err)
+		return -1
+	}
+
+	if err := pdk.OutputJSON(output); err != nil {
+		pdk.SetError(err)
+		return -1
+	}
+
+	return 0
+}

plugins/pdk/go/taskworker/taskworker_stub.go

@@ -0,0 +1,48 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file provides stub implementations for non-WASM platforms.
+// It allows Go plugins to compile and run tests outside of WASM,
+// but the actual functionality is only available in WASM builds.
+//
+//go:build !wasip1
+
+package taskworker
+
+// TaskExecuteRequest is the request provided when a task is ready to execute.
+type TaskExecuteRequest struct {
+	// QueueName is the name of the queue this task belongs to.
+	QueueName string `json:"queueName"`
+	// TaskID is the unique identifier for this task.
+	TaskID string `json:"taskId"`
+	// Payload is the opaque data provided when the task was enqueued.
+	Payload []byte `json:"payload"`
+	// Attempt is the current attempt number (1-based: first attempt = 1).
+	Attempt int32 `json:"attempt"`
+}
+
+// TaskExecuteResponse is the response from task execution.
+type TaskExecuteResponse struct {
+	// Error, if non-empty, indicates the task failed. The task will be retried
+	// if retries are configured and attempts remain.
+	Error string `json:"error,omitempty"`
+}
+
+// TaskWorker is the marker interface for taskworker plugins.
+// Implement one or more of the provider interfaces below.
+// TaskWorker provides task execution handling.
+// This capability allows plugins to receive callbacks when their queued tasks
+// are ready to execute. Plugins that use the taskqueue host service must
+// implement this capability.
+type TaskWorker interface{}
+
+// TaskExecuteProvider provides the OnTaskExecute function.
+type TaskExecuteProvider interface {
+	OnTaskExecute(TaskExecuteRequest) (TaskExecuteResponse, error)
+}
+
+// NotImplementedCode is the standard return code for unimplemented functions.
+const NotImplementedCode int32 = -2
+
+// Register is a no-op on non-WASM platforms.
+// This stub allows code to compile outside of WASM.
+func Register(_ TaskWorker) {}

plugins/pdk/python/host/nd_host_http.py

@@ -0,0 +1,59 @@
+# Code generated by ndpgen. DO NOT EDIT.
+#
+# This file contains client wrappers for the HTTP host service.
+# It is intended for use in Navidrome plugins built with extism-py.
+#
+# IMPORTANT: Due to a limitation in extism-py, you cannot import this file directly.
+# The @extism.import_fn decorators are only detected when defined in the plugin's
+# main __init__.py file. Copy the needed functions from this file into your plugin.
+
+from dataclasses import dataclass
+from typing import Any
+
+import extism
+import json
+
+
+class HostFunctionError(Exception):
+    """Raised when a host function returns an error."""
+    pass
+
+
+@extism.import_fn("extism:host/user", "http_send")
+def _http_send(offset: int) -> int:
+    """Raw host function - do not call directly."""
+    ...
+
+
+def http_send(request: Any) -> Any:
+    """Send executes an HTTP request and returns the response.
+
+Parameters:
+  - request: The HTTP request to execute, including method, URL, headers, body, and timeout
+
+Returns the HTTP response with status code, headers, and body.
+Network errors, timeouts, and permission failures are returned as Go errors.
+Successful HTTP calls (including 4xx/5xx status codes) return a non-nil response with nil error.
+
+    Args:
+        request: Any parameter.
+
+    Returns:
+        Any: The result value.
+
+    Raises:
+        HostFunctionError: If the host function returns an error.
+    """
+    request = {
+        "request": request,
+    }
+    request_bytes = json.dumps(request).encode("utf-8")
+    request_mem = extism.memory.alloc(request_bytes)
+    response_offset = _http_send(request_mem.offset)
+    response_mem = extism.memory.find(response_offset)
+    response = json.loads(extism.memory.string(response_mem))
+
+    if response.get("error"):
+        raise HostFunctionError(response["error"])
+
+    return response.get("result", None)

plugins/pdk/python/host/nd_host_httpclient.py

@@ -0,0 +1,59 @@
+# Code generated by ndpgen. DO NOT EDIT.
+#
+# This file contains client wrappers for the HTTP host service.
+# It is intended for use in Navidrome plugins built with extism-py.
+#
+# IMPORTANT: Due to a limitation in extism-py, you cannot import this file directly.
+# The @extism.import_fn decorators are only detected when defined in the plugin's
+# main __init__.py file. Copy the needed functions from this file into your plugin.
+
+from dataclasses import dataclass
+from typing import Any
+
+import extism
+import json
+
+
+class HostFunctionError(Exception):
+    """Raised when a host function returns an error."""
+    pass
+
+
+@extism.import_fn("extism:host/user", "http_send")
+def _http_send(offset: int) -> int:
+    """Raw host function - do not call directly."""
+    ...
+
+
+def http_send(request: Any) -> Any:
+    """Send executes an HTTP request and returns the response.
+
+Parameters:
+  - request: The HTTP request to execute, including method, URL, headers, body, and timeout
+
+Returns the HTTP response with status code, headers, and body.
+Network errors, timeouts, and permission failures are returned as errors.
+Successful HTTP calls (including 4xx/5xx status codes) return a non-nil response with nil error.
+
+    Args:
+        request: Any parameter.
+
+    Returns:
+        Any: The result value.
+
+    Raises:
+        HostFunctionError: If the host function returns an error.
+    """
+    request = {
+        "request": request,
+    }
+    request_bytes = json.dumps(request).encode("utf-8")
+    request_mem = extism.memory.alloc(request_bytes)
+    response_offset = _http_send(request_mem.offset)
+    response_mem = extism.memory.find(response_offset)
+    response = json.loads(extism.memory.string(response_mem))
+
+    if response.get("error"):
+        raise HostFunctionError(response["error"])
+
+    return response.get("result", None)

plugins/pdk/python/host/nd_host_taskqueue.py

@@ -0,0 +1,153 @@
+# Code generated by ndpgen. DO NOT EDIT.
+#
+# This file contains client wrappers for the TaskQueue host service.
+# It is intended for use in Navidrome plugins built with extism-py.
+#
+# IMPORTANT: Due to a limitation in extism-py, you cannot import this file directly.
+# The @extism.import_fn decorators are only detected when defined in the plugin's
+# main __init__.py file. Copy the needed functions from this file into your plugin.
+
+from dataclasses import dataclass
+from typing import Any
+
+import extism
+import json
+
+
+class HostFunctionError(Exception):
+    """Raised when a host function returns an error."""
+    pass
+
+
+@extism.import_fn("extism:host/user", "taskqueue_createqueue")
+def _taskqueue_createqueue(offset: int) -> int:
+    """Raw host function - do not call directly."""
+    ...
+
+
+@extism.import_fn("extism:host/user", "taskqueue_enqueue")
+def _taskqueue_enqueue(offset: int) -> int:
+    """Raw host function - do not call directly."""
+    ...
+
+
+@extism.import_fn("extism:host/user", "taskqueue_gettaskstatus")
+def _taskqueue_gettaskstatus(offset: int) -> int:
+    """Raw host function - do not call directly."""
+    ...
+
+
+@extism.import_fn("extism:host/user", "taskqueue_canceltask")
+def _taskqueue_canceltask(offset: int) -> int:
+    """Raw host function - do not call directly."""
+    ...
+
+
+def taskqueue_create_queue(name: str, config: Any) -> None:
+    """CreateQueue creates a named task queue with the given configuration.
+Zero-value fields in config use sensible defaults.
+If a queue with the same name already exists, returns an error.
+On startup, this also recovers any stale "running" tasks from a previous crash.
+
+    Args:
+        name: str parameter.
+        config: Any parameter.
+
+    Raises:
+        HostFunctionError: If the host function returns an error.
+    """
+    request = {
+        "name": name,
+        "config": config,
+    }
+    request_bytes = json.dumps(request).encode("utf-8")
+    request_mem = extism.memory.alloc(request_bytes)
+    response_offset = _taskqueue_createqueue(request_mem.offset)
+    response_mem = extism.memory.find(response_offset)
+    response = json.loads(extism.memory.string(response_mem))
+
+    if response.get("error"):
+        raise HostFunctionError(response["error"])
+
+
+
+def taskqueue_enqueue(queue_name: str, payload: bytes) -> str:
+    """Enqueue adds a task to the named queue. Returns the task ID.
+payload is opaque bytes passed back to the plugin on execution.
+
+    Args:
+        queue_name: str parameter.
+        payload: bytes parameter.
+
+    Returns:
+        str: The result value.
+
+    Raises:
+        HostFunctionError: If the host function returns an error.
+    """
+    request = {
+        "queueName": queue_name,
+        "payload": payload,
+    }
+    request_bytes = json.dumps(request).encode("utf-8")
+    request_mem = extism.memory.alloc(request_bytes)
+    response_offset = _taskqueue_enqueue(request_mem.offset)
+    response_mem = extism.memory.find(response_offset)
+    response = json.loads(extism.memory.string(response_mem))
+
+    if response.get("error"):
+        raise HostFunctionError(response["error"])
+
+    return response.get("result", "")
+
+
+def taskqueue_get_task_status(task_id: str) -> str:
+    """GetTaskStatus returns the status of a task: "pending", "running",
+"completed", "failed", or "cancelled".
+
+    Args:
+        task_id: str parameter.
+
+    Returns:
+        str: The result value.
+
+    Raises:
+        HostFunctionError: If the host function returns an error.
+    """
+    request = {
+        "taskId": task_id,
+    }
+    request_bytes = json.dumps(request).encode("utf-8")
+    request_mem = extism.memory.alloc(request_bytes)
+    response_offset = _taskqueue_gettaskstatus(request_mem.offset)
+    response_mem = extism.memory.find(response_offset)
+    response = json.loads(extism.memory.string(response_mem))
+
+    if response.get("error"):
+        raise HostFunctionError(response["error"])
+
+    return response.get("result", "")
+
+
+def taskqueue_cancel_task(task_id: str) -> None:
+    """CancelTask cancels a pending task. Returns error if already
+running, completed, or failed.
+
+    Args:
+        task_id: str parameter.
+
+    Raises:
+        HostFunctionError: If the host function returns an error.
+    """
+    request = {
+        "taskId": task_id,
+    }
+    request_bytes = json.dumps(request).encode("utf-8")
+    request_mem = extism.memory.alloc(request_bytes)
+    response_offset = _taskqueue_canceltask(request_mem.offset)
+    response_mem = extism.memory.find(response_offset)
+    response = json.loads(extism.memory.string(response_mem))
+
+    if response.get("error"):
+        raise HostFunctionError(response["error"])
+

plugins/pdk/rust/nd-pdk-capabilities/src/lib.rs

@@ -9,4 +9,5 @@ pub mod lifecycle;
 pub mod metadata;
 pub mod scheduler;
 pub mod scrobbler;
+pub mod taskworker;
 pub mod websocket;

plugins/pdk/rust/nd-pdk-capabilities/src/taskworker.rs

@@ -0,0 +1,87 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file contains export wrappers for the TaskWorker capability.
+// It is intended for use in Navidrome plugins built with extism-pdk.
+
+use serde::{Deserialize, Serialize};
+
+// Helper functions for skip_serializing_if with numeric types
+#[allow(dead_code)]
+fn is_zero_i32(value: &i32) -> bool { *value == 0 }
+#[allow(dead_code)]
+fn is_zero_u32(value: &u32) -> bool { *value == 0 }
+#[allow(dead_code)]
+fn is_zero_i64(value: &i64) -> bool { *value == 0 }
+#[allow(dead_code)]
+fn is_zero_u64(value: &u64) -> bool { *value == 0 }
+#[allow(dead_code)]
+fn is_zero_f32(value: &f32) -> bool { *value == 0.0 }
+#[allow(dead_code)]
+fn is_zero_f64(value: &f64) -> bool { *value == 0.0 }
+/// TaskExecuteRequest is the request provided when a task is ready to execute.
+#[derive(Debug, Clone, Default, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct TaskExecuteRequest {
+    /// QueueName is the name of the queue this task belongs to.
+    #[serde(default)]
+    pub queue_name: String,
+    /// TaskID is the unique identifier for this task.
+    #[serde(default)]
+    pub task_id: String,
+    /// Payload is the opaque data provided when the task was enqueued.
+    #[serde(default)]
+    pub payload: Vec<u8>,
+    /// Attempt is the current attempt number (1-based: first attempt = 1).
+    #[serde(default)]
+    pub attempt: i32,
+}
+/// TaskExecuteResponse is the response from task execution.
+#[derive(Debug, Clone, Default, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct TaskExecuteResponse {
+    /// Error, if non-empty, indicates the task failed. The task will be retried
+    /// if retries are configured and attempts remain.
+    #[serde(default, skip_serializing_if = "String::is_empty")]
+    pub error: String,
+}
+
+/// Error represents an error from a capability method.
+#[derive(Debug)]
+pub struct Error {
+    pub message: String,
+}
+
+impl std::fmt::Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.message)
+    }
+}
+
+impl std::error::Error for Error {}
+
+impl Error {
+    pub fn new(message: impl Into<String>) -> Self {
+        Self { message: message.into() }
+    }
+}
+
+/// TaskExecuteProvider provides the OnTaskExecute function.
+pub trait TaskExecuteProvider {
+    fn on_task_execute(&self, req: TaskExecuteRequest) -> Result<TaskExecuteResponse, Error>;
+}
+
+/// Register the on_task_execute export.
+/// This macro generates the WASM export function for this method.
+#[macro_export]
+macro_rules! register_taskworker_task_execute {
+    ($plugin_type:ty) => {
+        #[extism_pdk::plugin_fn]
+        pub fn nd_task_execute(
+            req: extism_pdk::Json<$crate::taskworker::TaskExecuteRequest>
+        ) -> extism_pdk::FnResult<extism_pdk::Json<$crate::taskworker::TaskExecuteResponse>> {
+            let plugin = <$plugin_type>::default();
+            let result = $crate::taskworker::TaskExecuteProvider::on_task_execute(&plugin, req.into_inner())?;
+            Ok(extism_pdk::Json(result))
+        }
+    };
+}

plugins/pdk/rust/nd-pdk-host/src/lib.rs

@@ -35,10 +35,12 @@
 //! - [`artwork`] - provides artwork public URL generation capabilities for plugins.
 //! - [`cache`] - provides in-memory TTL-based caching capabilities for plugins.
 //! - [`config`] - provides access to plugin configuration values.
+//! - [`http`] - provides outbound HTTP request capabilities for plugins.
 //! - [`kvstore`] - provides persistent key-value storage for plugins.
 //! - [`library`] - provides access to music library metadata for plugins.
 //! - [`scheduler`] - provides task scheduling capabilities for plugins.
 //! - [`subsonicapi`] - provides access to Navidrome's Subsonic API from plugins.
+//! - [`taskqueue`] - provides persistent task queues for plugins.
 //! - [`users`] - provides access to user information for plugins.
 //! - [`websocket`] - provides WebSocket communication capabilities for plugins.
 
@@ -63,6 +65,13 @@ pub mod config {
     pub use super::nd_host_config::*;
 }
 
+#[doc(hidden)]
+mod nd_host_http;
+/// provides outbound HTTP request capabilities for plugins.
+pub mod http {
+    pub use super::nd_host_http::*;
+}
+
 #[doc(hidden)]
 mod nd_host_kvstore;
 /// provides persistent key-value storage for plugins.
@@ -91,6 +100,13 @@ pub mod subsonicapi {
     pub use super::nd_host_subsonicapi::*;
 }
 
+#[doc(hidden)]
+mod nd_host_taskqueue;
+/// provides persistent task queues for plugins.
+pub mod taskqueue {
+    pub use super::nd_host_taskqueue::*;
+}
+
 #[doc(hidden)]
 mod nd_host_users;
 /// provides access to user information for plugins.

plugins/pdk/rust/nd-pdk-host/src/nd_host_http.rs

@@ -0,0 +1,83 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file contains client wrappers for the HTTP host service.
+// It is intended for use in Navidrome plugins built with extism-pdk.
+
+use extism_pdk::*;
+use serde::{Deserialize, Serialize};
+
+/// HTTPRequest represents an outbound HTTP request from a plugin.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct HTTPRequest {
+    pub method: String,
+    pub url: String,
+    #[serde(default)]
+    pub headers: std::collections::HashMap<String, String>,
+    #[serde(default)]
+    pub body: Vec<u8>,
+    #[serde(default)]
+    pub timeout_ms: i32,
+}
+
+/// HTTPResponse represents the response from an outbound HTTP request.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct HTTPResponse {
+    pub status_code: i32,
+    #[serde(default)]
+    pub headers: std::collections::HashMap<String, String>,
+    #[serde(default)]
+    pub body: Vec<u8>,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct HTTPSendRequest {
+    request: HTTPRequest,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct HTTPSendResponse {
+    #[serde(default)]
+    result: Option<HTTPResponse>,
+    #[serde(default)]
+    error: Option<String>,
+}
+
+#[host_fn]
+extern "ExtismHost" {
+    fn http_send(input: Json<HTTPSendRequest>) -> Json<HTTPSendResponse>;
+}
+
+/// Send executes an HTTP request and returns the response.
+/// 
+/// Parameters:
+///   - request: The HTTP request to execute, including method, URL, headers, body, and timeout
+/// 
+/// Returns the HTTP response with status code, headers, and body.
+/// Network errors, timeouts, and permission failures are returned as Go errors.
+/// Successful HTTP calls (including 4xx/5xx status codes) return a non-nil response with nil error.
+///
+/// # Arguments
+/// * `request` - HTTPRequest parameter.
+///
+/// # Returns
+/// The result value.
+///
+/// # Errors
+/// Returns an error if the host function call fails.
+pub fn send(request: HTTPRequest) -> Result<Option<HTTPResponse>, Error> {
+    let response = unsafe {
+        http_send(Json(HTTPSendRequest {
+            request: request,
+        }))?
+    };
+
+    if let Some(err) = response.0.error {
+        return Err(Error::msg(err));
+    }
+
+    Ok(response.0.result)
+}

plugins/pdk/rust/nd-pdk-host/src/nd_host_taskqueue.rs

@@ -0,0 +1,184 @@
+// Code generated by ndpgen. DO NOT EDIT.
+//
+// This file contains client wrappers for the TaskQueue host service.
+// It is intended for use in Navidrome plugins built with extism-pdk.
+
+use extism_pdk::*;
+use serde::{Deserialize, Serialize};
+
+/// QueueConfig holds configuration for a task queue.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct QueueConfig {
+    pub concurrency: i32,
+    pub max_retries: i32,
+    pub backoff_ms: i64,
+    pub delay_ms: i64,
+    pub retention_ms: i64,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct TaskQueueCreateQueueRequest {
+    name: String,
+    config: QueueConfig,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct TaskQueueCreateQueueResponse {
+    #[serde(default)]
+    error: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct TaskQueueEnqueueRequest {
+    queue_name: String,
+    payload: Vec<u8>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct TaskQueueEnqueueResponse {
+    #[serde(default)]
+    result: String,
+    #[serde(default)]
+    error: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct TaskQueueGetTaskStatusRequest {
+    task_id: String,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct TaskQueueGetTaskStatusResponse {
+    #[serde(default)]
+    result: String,
+    #[serde(default)]
+    error: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct TaskQueueCancelTaskRequest {
+    task_id: String,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct TaskQueueCancelTaskResponse {
+    #[serde(default)]
+    error: Option<String>,
+}
+
+#[host_fn]
+extern "ExtismHost" {
+    fn taskqueue_createqueue(input: Json<TaskQueueCreateQueueRequest>) -> Json<TaskQueueCreateQueueResponse>;
+    fn taskqueue_enqueue(input: Json<TaskQueueEnqueueRequest>) -> Json<TaskQueueEnqueueResponse>;
+    fn taskqueue_gettaskstatus(input: Json<TaskQueueGetTaskStatusRequest>) -> Json<TaskQueueGetTaskStatusResponse>;
+    fn taskqueue_canceltask(input: Json<TaskQueueCancelTaskRequest>) -> Json<TaskQueueCancelTaskResponse>;
+}
+
+/// CreateQueue creates a named task queue with the given configuration.
+/// Zero-value fields in config use sensible defaults.
+/// If a queue with the same name already exists, returns an error.
+/// On startup, this also recovers any stale "running" tasks from a previous crash.
+///
+/// # Arguments
+/// * `name` - String parameter.
+/// * `config` - QueueConfig parameter.
+///
+/// # Errors
+/// Returns an error if the host function call fails.
+pub fn create_queue(name: &str, config: QueueConfig) -> Result<(), Error> {
+    let response = unsafe {
+        taskqueue_createqueue(Json(TaskQueueCreateQueueRequest {
+            name: name.to_owned(),
+            config: config,
+        }))?
+    };
+
+    if let Some(err) = response.0.error {
+        return Err(Error::msg(err));
+    }
+
+    Ok(())
+}
+
+/// Enqueue adds a task to the named queue. Returns the task ID.
+/// payload is opaque bytes passed back to the plugin on execution.
+///
+/// # Arguments
+/// * `queue_name` - String parameter.
+/// * `payload` - Vec<u8> parameter.
+///
+/// # Returns
+/// The result value.
+///
+/// # Errors
+/// Returns an error if the host function call fails.
+pub fn enqueue(queue_name: &str, payload: Vec<u8>) -> Result<String, Error> {
+    let response = unsafe {
+        taskqueue_enqueue(Json(TaskQueueEnqueueRequest {
+            queue_name: queue_name.to_owned(),
+            payload: payload,
+        }))?
+    };
+
+    if let Some(err) = response.0.error {
+        return Err(Error::msg(err));
+    }
+
+    Ok(response.0.result)
+}
+
+/// GetTaskStatus returns the status of a task: "pending", "running",
+/// "completed", "failed", or "cancelled".
+///
+/// # Arguments
+/// * `task_id` - String parameter.
+///
+/// # Returns
+/// The result value.
+///
+/// # Errors
+/// Returns an error if the host function call fails.
+pub fn get_task_status(task_id: &str) -> Result<String, Error> {
+    let response = unsafe {
+        taskqueue_gettaskstatus(Json(TaskQueueGetTaskStatusRequest {
+            task_id: task_id.to_owned(),
+        }))?
+    };
+
+    if let Some(err) = response.0.error {
+        return Err(Error::msg(err));
+    }
+
+    Ok(response.0.result)
+}
+
+/// CancelTask cancels a pending task. Returns error if already
+/// running, completed, or failed.
+///
+/// # Arguments
+/// * `task_id` - String parameter.
+///
+/// # Errors
+/// Returns an error if the host function call fails.
+pub fn cancel_task(task_id: &str) -> Result<(), Error> {
+    let response = unsafe {
+        taskqueue_canceltask(Json(TaskQueueCancelTaskRequest {
+            task_id: task_id.to_owned(),
+        }))?
+    };
+
+    if let Some(err) = response.0.error {
+        return Err(Error::msg(err));
+    }
+
+    Ok(())
+}

plugins/testdata/test-taskqueue/go.mod

@@ -0,0 +1,16 @@
+module test-taskqueue
+
+go 1.25
+
+require github.com/navidrome/navidrome/plugins/pdk/go v0.0.0
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/extism/go-pdk v1.1.3 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/stretchr/testify v1.11.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
+
+replace github.com/navidrome/navidrome/plugins/pdk/go => ../../pdk/go

plugins/testdata/test-taskqueue/go.sum

@@ -0,0 +1,14 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/extism/go-pdk v1.1.3 h1:hfViMPWrqjN6u67cIYRALZTZLk/enSPpNKa+rZ9X2SQ=
+github.com/extism/go-pdk v1.1.3/go.mod h1:Gz+LIU/YCKnKXhgge8yo5Yu1F/lbv7KtKFkiCSzW/P4=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=