dashboard: show failure reasons for runner and download errors (#1350 )

Surface error messages that the backend already captures but the dashboard was discarding. Runner failures now extract errorMessage from RunnerFailed status, and download failures display errorMessage from DownloadFailed payloads on both the main page and downloads page. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-18 23:06:23 -05:00 · 2026-02-17 09:59:06 -08:00
34 changed files with 110 additions and 2940 deletions
--- a/app/EXO-iOS/EXO-iOS.xcodeproj/project.pbxproj
+++ b/app/EXO-iOS/EXO-iOS.xcodeproj/project.pbxproj
@@ -1,628 +0,0 @@
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-				TARGETED_DEVICE_FAMILY = "1,2";
-			};
-			name = Release;
-		};
-		E09D16942F44CA20009C51A3 /* Debug */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				BUNDLE_LOADER = "$(TEST_HOST)";
-				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1;
-				GENERATE_INFOPLIST_FILE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 26.2;
-				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = "com.exo.EXO-iOSTests";
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				STRING_CATALOG_GENERATE_SYMBOLS = NO;
-				SWIFT_APPROACHABLE_CONCURRENCY = YES;
-				SWIFT_EMIT_LOC_STRINGS = NO;
-				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
-				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2";
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/EXO-iOS.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/EXO-iOS";
-			};
-			name = Debug;
-		};
-		E09D16952F44CA20009C51A3 /* Release */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				BUNDLE_LOADER = "$(TEST_HOST)";
-				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1;
-				GENERATE_INFOPLIST_FILE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 26.2;
-				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = "com.exo.EXO-iOSTests";
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				STRING_CATALOG_GENERATE_SYMBOLS = NO;
-				SWIFT_APPROACHABLE_CONCURRENCY = YES;
-				SWIFT_EMIT_LOC_STRINGS = NO;
-				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
-				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2";
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/EXO-iOS.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/EXO-iOS";
-			};
-			name = Release;
-		};
-		E09D16972F44CA20009C51A3 /* Debug */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1;
-				GENERATE_INFOPLIST_FILE = YES;
-				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = "com.exo.EXO-iOSUITests";
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				STRING_CATALOG_GENERATE_SYMBOLS = NO;
-				SWIFT_APPROACHABLE_CONCURRENCY = YES;
-				SWIFT_EMIT_LOC_STRINGS = NO;
-				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
-				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2";
-				TEST_TARGET_NAME = "EXO-iOS";
-			};
-			name = Debug;
-		};
-		E09D16982F44CA20009C51A3 /* Release */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1;
-				GENERATE_INFOPLIST_FILE = YES;
-				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = "com.exo.EXO-iOSUITests";
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				STRING_CATALOG_GENERATE_SYMBOLS = NO;
-				SWIFT_APPROACHABLE_CONCURRENCY = YES;
-				SWIFT_EMIT_LOC_STRINGS = NO;
-				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
-				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2";
-				TEST_TARGET_NAME = "EXO-iOS";
-			};
-			name = Release;
-		};
-/* End XCBuildConfiguration section */
-
-/* Begin XCConfigurationList section */
-		E09D166A2F44CA1E009C51A3 /* Build configuration list for PBXProject "EXO-iOS" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				E09D168E2F44CA20009C51A3 /* Debug */,
-				E09D168F2F44CA20009C51A3 /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-		E09D16902F44CA20009C51A3 /* Build configuration list for PBXNativeTarget "EXO-iOS" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				E09D16912F44CA20009C51A3 /* Debug */,
-				E09D16922F44CA20009C51A3 /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-		E09D16932F44CA20009C51A3 /* Build configuration list for PBXNativeTarget "EXO-iOSTests" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				E09D16942F44CA20009C51A3 /* Debug */,
-				E09D16952F44CA20009C51A3 /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-		E09D16962F44CA20009C51A3 /* Build configuration list for PBXNativeTarget "EXO-iOSUITests" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				E09D16972F44CA20009C51A3 /* Debug */,
-				E09D16982F44CA20009C51A3 /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-/* End XCConfigurationList section */
-
-/* Begin XCRemoteSwiftPackageReference section */
-		E09D17502F44F359009C51A3 /* XCRemoteSwiftPackageReference "mlx-swift-lm" */ = {
-			isa = XCRemoteSwiftPackageReference;
-			repositoryURL = "https://github.com/ml-explore/mlx-swift-lm";
-			requirement = {
-				kind = upToNextMajorVersion;
-				minimumVersion = 2.30.3;
-			};
-		};
-/* End XCRemoteSwiftPackageReference section */
-
-/* Begin XCSwiftPackageProductDependency section */
-		E09D17512F44F359009C51A3 /* MLXLLM */ = {
-			isa = XCSwiftPackageProductDependency;
-			package = E09D17502F44F359009C51A3 /* XCRemoteSwiftPackageReference "mlx-swift-lm" */;
-			productName = MLXLLM;
-		};
-		E09D17532F44F359009C51A3 /* MLXLMCommon */ = {
-			isa = XCSwiftPackageProductDependency;
-			package = E09D17502F44F359009C51A3 /* XCRemoteSwiftPackageReference "mlx-swift-lm" */;
-			productName = MLXLMCommon;
-		};
-/* End XCSwiftPackageProductDependency section */
-	};
-	rootObject = E09D16672F44CA1E009C51A3 /* Project object */;
-}
--- a/app/EXO-iOS/EXO-iOS.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/app/EXO-iOS/EXO-iOS.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:">
-   </FileRef>
-</Workspace>
--- a/app/EXO-iOS/EXO-iOS.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/app/EXO-iOS/EXO-iOS.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -1,60 +0,0 @@
-{
-  "originHash" : "facc0ac7c70363ea20f6cd1235de91dea6b06f0d00190946045a6c8ae753abc2",
-  "pins" : [
-    {
-      "identity" : "mlx-swift",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/ml-explore/mlx-swift",
-      "state" : {
-        "revision" : "6ba4827fb82c97d012eec9ab4b2de21f85c3b33d",
-        "version" : "0.30.6"
-      }
-    },
-    {
-      "identity" : "mlx-swift-lm",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/ml-explore/mlx-swift-lm",
-      "state" : {
-        "revision" : "360c5052b81cc154b04ee0933597a4ad6db4b8ae",
-        "version" : "2.30.3"
-      }
-    },
-    {
-      "identity" : "swift-collections",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-collections.git",
-      "state" : {
-        "revision" : "7b847a3b7008b2dc2f47ca3110d8c782fb2e5c7e",
-        "version" : "1.3.0"
-      }
-    },
-    {
-      "identity" : "swift-jinja",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/huggingface/swift-jinja.git",
-      "state" : {
-        "revision" : "d81197f35f41445bc10e94600795e68c6f5e94b0",
-        "version" : "2.3.1"
-      }
-    },
-    {
-      "identity" : "swift-numerics",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-numerics",
-      "state" : {
-        "revision" : "0c0290ff6b24942dadb83a929ffaaa1481df04a2",
-        "version" : "1.1.1"
-      }
-    },
-    {
-      "identity" : "swift-transformers",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/huggingface/swift-transformers",
-      "state" : {
-        "revision" : "573e5c9036c2f136b3a8a071da8e8907322403d0",
-        "version" : "1.1.6"
-      }
-    }
-  ],
-  "version" : 3
-}
--- a/app/EXO-iOS/EXO-iOS/Assets.xcassets/AccentColor.colorset/Contents.json
+++ b/app/EXO-iOS/EXO-iOS/Assets.xcassets/AccentColor.colorset/Contents.json
@@ -1,20 +0,0 @@
-{
-  "colors" : [
-    {
-      "color" : {
-        "color-space" : "srgb",
-        "components" : {
-          "alpha" : "1.000",
-          "blue" : "0x00",
-          "green" : "0xD7",
-          "red" : "0xFF"
-        }
-      },
-      "idiom" : "universal"
-    }
-  ],
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
--- a/app/EXO-iOS/EXO-iOS/Assets.xcassets/AppIcon.appiconset/AppIcon.png
+++ b/app/EXO-iOS/EXO-iOS/Assets.xcassets/AppIcon.appiconset/AppIcon.png
--- a/app/EXO-iOS/EXO-iOS/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/app/EXO-iOS/EXO-iOS/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -1,38 +0,0 @@
-{
-  "images" : [
-    {
-      "filename" : "AppIcon.png",
-      "idiom" : "universal",
-      "platform" : "ios",
-      "size" : "1024x1024"
-    },
-    {
-      "appearances" : [
-        {
-          "appearance" : "luminosity",
-          "value" : "dark"
-        }
-      ],
-      "filename" : "AppIcon.png",
-      "idiom" : "universal",
-      "platform" : "ios",
-      "size" : "1024x1024"
-    },
-    {
-      "appearances" : [
-        {
-          "appearance" : "luminosity",
-          "value" : "tinted"
-        }
-      ],
-      "filename" : "AppIcon.png",
-      "idiom" : "universal",
-      "platform" : "ios",
-      "size" : "1024x1024"
-    }
-  ],
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
--- a/app/EXO-iOS/EXO-iOS/Assets.xcassets/Contents.json
+++ b/app/EXO-iOS/EXO-iOS/Assets.xcassets/Contents.json
@@ -1,6 +0,0 @@
-{
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
--- a/app/EXO-iOS/EXO-iOS/Assets.xcassets/ExoLogo.imageset/Contents.json
+++ b/app/EXO-iOS/EXO-iOS/Assets.xcassets/ExoLogo.imageset/Contents.json
@@ -1,21 +0,0 @@
-{
-  "images" : [
-    {
-      "filename" : "exo-logo.png",
-      "idiom" : "universal",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}
--- a/app/EXO-iOS/EXO-iOS/Assets.xcassets/ExoLogo.imageset/exo-logo.png
+++ b/app/EXO-iOS/EXO-iOS/Assets.xcassets/ExoLogo.imageset/exo-logo.png
--- a/app/EXO-iOS/EXO-iOS/EXO-iOS.entitlements
+++ b/app/EXO-iOS/EXO-iOS/EXO-iOS.entitlements
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>com.apple.developer.kernel.increased-memory-limit</key>
-	<true/>
-</dict>
-</plist>
--- a/app/EXO-iOS/EXO-iOS/EXO_iOSApp.swift
+++ b/app/EXO-iOS/EXO-iOS/EXO_iOSApp.swift
@@ -1,67 +0,0 @@
-import SwiftUI
-import UIKit
-
-@main
-struct EXO_iOSApp: App {
-    @State private var clusterService = ClusterService()
-    @State private var discoveryService = DiscoveryService()
-    @State private var localInferenceService = LocalInferenceService()
-    @State private var chatService: ChatService?
-
-    init() {
-        let darkGray = UIColor(red: 0x1F / 255.0, green: 0x1F / 255.0, blue: 0x1F / 255.0, alpha: 1)
-        let yellow = UIColor(red: 0xFF / 255.0, green: 0xD7 / 255.0, blue: 0x00 / 255.0, alpha: 1)
-
-        let navAppearance = UINavigationBarAppearance()
-        navAppearance.configureWithOpaqueBackground()
-        navAppearance.backgroundColor = darkGray
-        navAppearance.titleTextAttributes = [
-            .foregroundColor: yellow,
-            .font: UIFont.monospacedSystemFont(ofSize: 17, weight: .semibold),
-        ]
-        navAppearance.largeTitleTextAttributes = [
-            .foregroundColor: yellow,
-            .font: UIFont.monospacedSystemFont(ofSize: 34, weight: .bold),
-        ]
-
-        UINavigationBar.appearance().standardAppearance = navAppearance
-        UINavigationBar.appearance().compactAppearance = navAppearance
-        UINavigationBar.appearance().scrollEdgeAppearance = navAppearance
-        UINavigationBar.appearance().tintColor = yellow
-    }
-
-    var body: some Scene {
-        WindowGroup {
-            if let chatService {
-                RootView()
-                    .environment(clusterService)
-                    .environment(discoveryService)
-                    .environment(chatService)
-                    .environment(localInferenceService)
-                    .preferredColorScheme(.dark)
-                    .task {
-                        await clusterService.attemptAutoReconnect()
-                        discoveryService.startBrowsing()
-                        await localInferenceService.prepareModel()
-                    }
-                    .onChange(of: discoveryService.discoveredClusters) { _, clusters in
-                        guard !clusterService.isConnected,
-                            case .disconnected = clusterService.connectionState,
-                            let first = clusters.first
-                        else { return }
-                        Task {
-                            await clusterService.connectToDiscoveredCluster(
-                                first, using: discoveryService)
-                        }
-                    }
-            } else {
-                Color.exoBlack.onAppear {
-                    chatService = ChatService(
-                        clusterService: clusterService,
-                        localInferenceService: localInferenceService
-                    )
-                }
-            }
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Info.plist
+++ b/app/EXO-iOS/EXO-iOS/Info.plist
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>UIUserInterfaceStyle</key>
-	<string>Dark</string>
-	<key>CFBundleDisplayName</key>
-	<string>EXO</string>
-	<key>NSLocalNetworkUsageDescription</key>
-	<string>EXO needs local network access to connect to your EXO cluster.</string>
-	<key>NSBonjourServices</key>
-	<array>
-		<string>_exo._tcp</string>
-		<string>_p2p._tcp</string>
-		<string>_p2p._udp</string>
-		<string>_libp2p._udp</string>
-	</array>
-</dict>
-</plist>
--- a/app/EXO-iOS/EXO-iOS/Models/ChatCompletionTypes.swift
+++ b/app/EXO-iOS/EXO-iOS/Models/ChatCompletionTypes.swift
@@ -1,129 +0,0 @@
-import Foundation
-
-// MARK: - Request
-
-struct ChatCompletionRequest: Encodable {
-    let model: String
-    let messages: [ChatCompletionMessageParam]
-    let stream: Bool
-    let maxTokens: Int?
-    let temperature: Double?
-
-    enum CodingKeys: String, CodingKey {
-        case model, messages, stream, temperature
-        case maxTokens = "max_tokens"
-    }
-}
-
-struct ChatCompletionMessageParam: Encodable {
-    let role: String
-    let content: String
-}
-
-// MARK: - Streaming Response
-
-struct ChatCompletionChunk: Decodable {
-    let id: String
-    let model: String?
-    let choices: [StreamingChoice]
-    let usage: ChunkUsage?
-
-    init(id: String, model: String?, choices: [StreamingChoice], usage: ChunkUsage?) {
-        self.id = id
-        self.model = model
-        self.choices = choices
-        self.usage = usage
-    }
-}
-
-struct StreamingChoice: Decodable {
-    let index: Int
-    let delta: Delta
-    let finishReason: String?
-
-    enum CodingKeys: String, CodingKey {
-        case index, delta
-        case finishReason = "finish_reason"
-    }
-
-    init(index: Int, delta: Delta, finishReason: String?) {
-        self.index = index
-        self.delta = delta
-        self.finishReason = finishReason
-    }
-}
-
-struct Delta: Decodable {
-    let role: String?
-    let content: String?
-
-    init(role: String?, content: String?) {
-        self.role = role
-        self.content = content
-    }
-}
-
-struct ChunkUsage: Decodable {
-    let promptTokens: Int?
-    let completionTokens: Int?
-    let totalTokens: Int?
-
-    enum CodingKeys: String, CodingKey {
-        case promptTokens = "prompt_tokens"
-        case completionTokens = "completion_tokens"
-        case totalTokens = "total_tokens"
-    }
-
-    init(promptTokens: Int?, completionTokens: Int?, totalTokens: Int?) {
-        self.promptTokens = promptTokens
-        self.completionTokens = completionTokens
-        self.totalTokens = totalTokens
-    }
-}
-
-// MARK: - Non-Streaming Response
-
-struct ChatCompletionResponse: Decodable {
-    let id: String
-    let model: String?
-    let choices: [ResponseChoice]
-}
-
-struct ResponseChoice: Decodable {
-    let index: Int
-    let message: ResponseMessage
-    let finishReason: String?
-
-    enum CodingKeys: String, CodingKey {
-        case index, message
-        case finishReason = "finish_reason"
-    }
-}
-
-struct ResponseMessage: Decodable {
-    let role: String?
-    let content: String?
-}
-
-// MARK: - Models List
-
-struct ModelListResponse: Decodable {
-    let data: [ModelInfo]
-}
-
-struct ModelInfo: Decodable, Identifiable {
-    let id: String
-    let name: String?
-}
-
-// MARK: - Error
-
-struct APIErrorResponse: Decodable {
-    let error: APIErrorInfo
-}
-
-struct APIErrorInfo: Decodable {
-    let message: String
-    let type: String?
-    let code: Int?
-}
--- a/app/EXO-iOS/EXO-iOS/Models/ChatMessage.swift
+++ b/app/EXO-iOS/EXO-iOS/Models/ChatMessage.swift
@@ -1,26 +0,0 @@
-import Foundation
-
-struct ChatMessage: Identifiable, Equatable {
-    let id: UUID
-    let role: Role
-    var content: String
-    let timestamp: Date
-    var isStreaming: Bool
-
-    enum Role: String, Codable {
-        case user
-        case assistant
-        case system
-    }
-
-    init(
-        id: UUID = UUID(), role: Role, content: String, timestamp: Date = Date(),
-        isStreaming: Bool = false
-    ) {
-        self.id = id
-        self.role = role
-        self.content = content
-        self.timestamp = timestamp
-        self.isStreaming = isStreaming
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Models/ConnectionInfo.swift
+++ b/app/EXO-iOS/EXO-iOS/Models/ConnectionInfo.swift
@@ -1,11 +0,0 @@
-import Foundation
-
-struct ConnectionInfo: Codable, Equatable {
-    let host: String
-    let port: Int
-    let nodeId: String?
-
-    var baseURL: URL { URL(string: "http://\(host):\(port)")! }
-
-    static let defaultPort = 52415
-}
--- a/app/EXO-iOS/EXO-iOS/Models/Conversation.swift
+++ b/app/EXO-iOS/EXO-iOS/Models/Conversation.swift
@@ -1,34 +0,0 @@
-import Foundation
-
-struct Conversation: Identifiable, Codable, Equatable {
-    let id: UUID
-    var title: String
-    var messages: [StoredMessage]
-    var modelId: String?
-    let createdAt: Date
-
-    init(
-        id: UUID = UUID(), title: String = "New Chat", messages: [StoredMessage] = [],
-        modelId: String? = nil, createdAt: Date = Date()
-    ) {
-        self.id = id
-        self.title = title
-        self.messages = messages
-        self.modelId = modelId
-        self.createdAt = createdAt
-    }
-}
-
-struct StoredMessage: Identifiable, Codable, Equatable {
-    let id: UUID
-    let role: String
-    var content: String
-    let timestamp: Date
-
-    init(id: UUID = UUID(), role: String, content: String, timestamp: Date = Date()) {
-        self.id = id
-        self.role = role
-        self.content = content
-        self.timestamp = timestamp
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Services/ChatService.swift
+++ b/app/EXO-iOS/EXO-iOS/Services/ChatService.swift
@@ -1,227 +0,0 @@
-import Foundation
-
-@Observable
-@MainActor
-final class ChatService {
-    var conversations: [Conversation] = []
-    var activeConversationId: UUID?
-    private(set) var isGenerating: Bool = false
-    private var currentGenerationTask: Task<Void, Never>?
-
-    private let clusterService: ClusterService
-    private let localInferenceService: LocalInferenceService
-
-    var canSendMessage: Bool {
-        clusterService.isConnected || localInferenceService.isAvailable
-    }
-
-    var activeConversation: Conversation? {
-        guard let id = activeConversationId else { return nil }
-        return conversations.first { $0.id == id }
-    }
-
-    var activeMessages: [ChatMessage] {
-        guard let conversation = activeConversation else { return [] }
-        return conversation.messages.map { stored in
-            ChatMessage(
-                id: stored.id,
-                role: ChatMessage.Role(rawValue: stored.role) ?? .user,
-                content: stored.content,
-                timestamp: stored.timestamp
-            )
-        }
-    }
-
-    init(clusterService: ClusterService, localInferenceService: LocalInferenceService) {
-        self.clusterService = clusterService
-        self.localInferenceService = localInferenceService
-        loadConversations()
-    }
-
-    // MARK: - Conversation Management
-
-    func createConversation(modelId: String? = nil) {
-        let conversation = Conversation(
-            modelId: modelId ?? clusterService.availableModels.first?.id)
-        conversations.insert(conversation, at: 0)
-        activeConversationId = conversation.id
-        saveConversations()
-    }
-
-    func deleteConversation(id: UUID) {
-        conversations.removeAll { $0.id == id }
-        if activeConversationId == id {
-            activeConversationId = conversations.first?.id
-        }
-        saveConversations()
-    }
-
-    func setActiveConversation(id: UUID) {
-        activeConversationId = id
-    }
-
-    func setModelForActiveConversation(_ modelId: String) {
-        guard let index = conversations.firstIndex(where: { $0.id == activeConversationId }) else {
-            return
-        }
-        conversations[index].modelId = modelId
-        saveConversations()
-    }
-
-    // MARK: - Messaging
-
-    func sendMessage(_ text: String) {
-        guard !text.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else { return }
-
-        if activeConversation == nil {
-            createConversation()
-        }
-
-        guard let index = conversations.firstIndex(where: { $0.id == activeConversationId }) else {
-            return
-        }
-
-        let userMessage = StoredMessage(role: "user", content: text)
-        conversations[index].messages.append(userMessage)
-
-        if conversations[index].title == "New Chat" {
-            let preview = String(text.prefix(40))
-            conversations[index].title = preview + (text.count > 40 ? "..." : "")
-        }
-
-        let modelId: String
-        if clusterService.isConnected {
-            guard
-                let clusterId = conversations[index].modelId
-                    ?? clusterService.availableModels.first?.id
-            else {
-                let errorMessage = StoredMessage(
-                    role: "assistant", content: "No model selected. Please select a model first.")
-                conversations[index].messages.append(errorMessage)
-                saveConversations()
-                return
-            }
-            modelId = clusterId
-        } else if localInferenceService.isAvailable {
-            modelId = localInferenceService.defaultModelId
-        } else {
-            let errorMessage = StoredMessage(
-                role: "assistant",
-                content: "Not connected to a cluster and local model is not available.")
-            conversations[index].messages.append(errorMessage)
-            saveConversations()
-            return
-        }
-
-        conversations[index].modelId = modelId
-
-        let assistantMessageId = UUID()
-        let assistantMessage = StoredMessage(
-            id: assistantMessageId, role: "assistant", content: "", timestamp: Date())
-        conversations[index].messages.append(assistantMessage)
-
-        let messagesForAPI = conversations[index].messages.dropLast().map { stored in
-            ChatCompletionMessageParam(role: stored.role, content: stored.content)
-        }
-
-        let request = ChatCompletionRequest(
-            model: modelId,
-            messages: Array(messagesForAPI),
-            stream: true,
-            maxTokens: 4096,
-            temperature: nil
-        )
-
-        let conversationId = conversations[index].id
-
-        isGenerating = true
-        currentGenerationTask = Task { [weak self] in
-            guard let self else { return }
-            await self.performStreaming(
-                request: request, conversationId: conversationId,
-                assistantMessageId: assistantMessageId)
-        }
-
-        saveConversations()
-    }
-
-    func cancelGeneration() {
-        currentGenerationTask?.cancel()
-        currentGenerationTask = nil
-        localInferenceService.cancelGeneration()
-        isGenerating = false
-    }
-
-    // MARK: - Streaming
-
-    private func performStreaming(
-        request: ChatCompletionRequest, conversationId: UUID, assistantMessageId: UUID
-    ) async {
-        defer {
-            isGenerating = false
-            currentGenerationTask = nil
-            saveConversations()
-        }
-
-        do {
-            let stream =
-                clusterService.isConnected
-                ? clusterService.streamChatCompletion(request: request)
-                : localInferenceService.streamChatCompletion(request: request)
-            for try await chunk in stream {
-                guard !Task.isCancelled else { return }
-                guard let content = chunk.choices.first?.delta.content, !content.isEmpty else {
-                    continue
-                }
-
-                if let convIndex = conversations.firstIndex(where: { $0.id == conversationId }),
-                    let msgIndex = conversations[convIndex].messages.firstIndex(where: {
-                        $0.id == assistantMessageId
-                    })
-                {
-                    conversations[convIndex].messages[msgIndex].content += content
-                }
-            }
-        } catch {
-            if !Task.isCancelled {
-                if let convIndex = conversations.firstIndex(where: { $0.id == conversationId }),
-                    let msgIndex = conversations[convIndex].messages.firstIndex(where: {
-                        $0.id == assistantMessageId
-                    })
-                {
-                    if conversations[convIndex].messages[msgIndex].content.isEmpty {
-                        conversations[convIndex].messages[msgIndex].content =
-                            "Error: \(error.localizedDescription)"
-                    }
-                }
-            }
-        }
-    }
-
-    // MARK: - Persistence
-
-    private static var storageURL: URL {
-        let documents = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
-            .first!
-        return documents.appendingPathComponent("exo_conversations.json")
-    }
-
-    private func saveConversations() {
-        do {
-            let data = try JSONEncoder().encode(conversations)
-            try data.write(to: Self.storageURL, options: .atomic)
-        } catch {
-            // Save failed silently
-        }
-    }
-
-    private func loadConversations() {
-        do {
-            let data = try Data(contentsOf: Self.storageURL)
-            conversations = try JSONDecoder().decode([Conversation].self, from: data)
-            activeConversationId = conversations.first?.id
-        } catch {
-            conversations = []
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Services/ClusterService.swift
+++ b/app/EXO-iOS/EXO-iOS/Services/ClusterService.swift
@@ -1,200 +0,0 @@
-import Foundation
-
-enum ConnectionState: Equatable {
-    case disconnected
-    case connecting
-    case connected(ConnectionInfo)
-}
-
-struct ModelOption: Identifiable, Equatable {
-    let id: String
-    let displayName: String
-}
-
-@Observable
-@MainActor
-final class ClusterService {
-    private(set) var connectionState: ConnectionState = .disconnected
-    private(set) var availableModels: [ModelOption] = []
-    private(set) var lastError: String?
-
-    private let session: URLSession
-    private let decoder: JSONDecoder
-    private var pollingTask: Task<Void, Never>?
-
-    private static let connectionInfoKey = "exo_last_connection_info"
-
-    var isConnected: Bool {
-        if case .connected = connectionState { return true }
-        return false
-    }
-
-    var currentConnection: ConnectionInfo? {
-        if case .connected(let info) = connectionState { return info }
-        return nil
-    }
-
-    init(session: URLSession = .shared) {
-        self.session = session
-        let decoder = JSONDecoder()
-        self.decoder = decoder
-    }
-
-    // MARK: - Connection
-
-    func connect(to info: ConnectionInfo) async {
-        connectionState = .connecting
-        lastError = nil
-
-        do {
-            let url = info.baseURL.appendingPathComponent("node_id")
-            var request = URLRequest(url: url)
-            request.timeoutInterval = 5
-            request.cachePolicy = .reloadIgnoringLocalCacheData
-            let (_, response) = try await session.data(for: request)
-
-            guard let httpResponse = response as? HTTPURLResponse,
-                (200..<300).contains(httpResponse.statusCode)
-            else {
-                throw URLError(.badServerResponse)
-            }
-
-            connectionState = .connected(info)
-            persistConnection(info)
-            startPolling()
-            await fetchModels(baseURL: info.baseURL)
-        } catch {
-            connectionState = .disconnected
-            lastError = "Could not connect to \(info.host):\(info.port)"
-        }
-    }
-
-    func connectToDiscoveredCluster(
-        _ cluster: DiscoveredCluster, using discoveryService: DiscoveryService
-    ) async {
-        guard case .disconnected = connectionState else { return }
-        connectionState = .connecting
-        lastError = nil
-
-        guard let info = await discoveryService.resolve(cluster) else {
-            connectionState = .disconnected
-            lastError = "Could not resolve \(cluster.name)"
-            return
-        }
-        connectionState = .disconnected  // reset so connect() can proceed
-        await connect(to: info)
-    }
-
-    func disconnect() {
-        stopPolling()
-        connectionState = .disconnected
-        availableModels = []
-        lastError = nil
-    }
-
-    func attemptAutoReconnect() async {
-        guard case .disconnected = connectionState,
-            let info = loadPersistedConnection()
-        else { return }
-        await connect(to: info)
-    }
-
-    // MARK: - Polling
-
-    private func startPolling(interval: TimeInterval = 2.0) {
-        stopPolling()
-        pollingTask = Task { [weak self] in
-            while !Task.isCancelled {
-                try? await Task.sleep(for: .seconds(interval))
-                guard let self, !Task.isCancelled else { return }
-                guard let connection = self.currentConnection else { return }
-                await self.fetchModels(baseURL: connection.baseURL)
-            }
-        }
-    }
-
-    private func stopPolling() {
-        pollingTask?.cancel()
-        pollingTask = nil
-    }
-
-    // MARK: - API
-
-    private func fetchModels(baseURL: URL) async {
-        do {
-            let url = baseURL.appendingPathComponent("models")
-            var request = URLRequest(url: url)
-            request.cachePolicy = .reloadIgnoringLocalCacheData
-            let (data, response) = try await session.data(for: request)
-
-            guard let httpResponse = response as? HTTPURLResponse,
-                (200..<300).contains(httpResponse.statusCode)
-            else { return }
-
-            let list = try decoder.decode(ModelListResponse.self, from: data)
-            availableModels = list.data.map {
-                ModelOption(id: $0.id, displayName: $0.name ?? $0.id)
-            }
-        } catch {
-            // Models fetch failed silently — will retry on next poll
-        }
-    }
-
-    func streamChatCompletion(request body: ChatCompletionRequest) -> AsyncThrowingStream<
-        ChatCompletionChunk, Error
-    > {
-        AsyncThrowingStream { continuation in
-            let task = Task { [weak self] in
-                guard let self, let connection = self.currentConnection else {
-                    continuation.finish(throwing: URLError(.notConnectedToInternet))
-                    return
-                }
-
-                do {
-                    let url = connection.baseURL.appendingPathComponent("v1/chat/completions")
-                    var request = URLRequest(url: url)
-                    request.httpMethod = "POST"
-                    request.setValue("application/json", forHTTPHeaderField: "Content-Type")
-                    request.httpBody = try JSONEncoder().encode(body)
-
-                    let (bytes, response) = try await self.session.bytes(for: request)
-
-                    guard let httpResponse = response as? HTTPURLResponse,
-                        (200..<300).contains(httpResponse.statusCode)
-                    else {
-                        continuation.finish(throwing: URLError(.badServerResponse))
-                        return
-                    }
-
-                    let parser = SSEStreamParser<ChatCompletionChunk>(
-                        bytes: bytes, decoder: self.decoder)
-                    for try await chunk in parser {
-                        continuation.yield(chunk)
-                    }
-                    continuation.finish()
-                } catch {
-                    continuation.finish(throwing: error)
-                }
-            }
-
-            continuation.onTermination = { _ in
-                task.cancel()
-            }
-        }
-    }
-
-    // MARK: - Persistence
-
-    private func persistConnection(_ info: ConnectionInfo) {
-        if let data = try? JSONEncoder().encode(info) {
-            UserDefaults.standard.set(data, forKey: Self.connectionInfoKey)
-        }
-    }
-
-    private func loadPersistedConnection() -> ConnectionInfo? {
-        guard let data = UserDefaults.standard.data(forKey: Self.connectionInfoKey) else {
-            return nil
-        }
-        return try? JSONDecoder().decode(ConnectionInfo.self, from: data)
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Services/DiscoveryService.swift
+++ b/app/EXO-iOS/EXO-iOS/Services/DiscoveryService.swift
@@ -1,123 +0,0 @@
-import Foundation
-import Network
-import os
-
-struct DiscoveredCluster: Identifiable, Equatable {
-    let id: String
-    let name: String
-    let endpoint: NWEndpoint
-
-    static func == (lhs: DiscoveredCluster, rhs: DiscoveredCluster) -> Bool {
-        lhs.id == rhs.id && lhs.name == rhs.name
-    }
-}
-
-@Observable
-@MainActor
-final class DiscoveryService {
-    private(set) var discoveredClusters: [DiscoveredCluster] = []
-    private(set) var isSearching = false
-
-    private var browser: NWBrowser?
-
-    func startBrowsing() {
-        guard browser == nil else { return }
-
-        let browser = NWBrowser(for: .bonjour(type: "_exo._tcp", domain: nil), using: .tcp)
-
-        browser.stateUpdateHandler = { [weak self] state in
-            guard let service = self else { return }
-            Task { @MainActor in
-                switch state {
-                case .ready:
-                    service.isSearching = true
-                case .failed, .cancelled:
-                    service.isSearching = false
-                default:
-                    break
-                }
-            }
-        }
-
-        browser.browseResultsChangedHandler = { [weak self] results, _ in
-            guard let service = self else { return }
-            Task { @MainActor in
-                service.discoveredClusters = results.compactMap { result in
-                    guard case .service(let name, _, _, _) = result.endpoint else {
-                        return nil
-                    }
-                    return DiscoveredCluster(
-                        id: name,
-                        name: name,
-                        endpoint: result.endpoint
-                    )
-                }
-            }
-        }
-
-        browser.start(queue: .main)
-        self.browser = browser
-    }
-
-    func stopBrowsing() {
-        browser?.cancel()
-        browser = nil
-        isSearching = false
-        discoveredClusters = []
-    }
-
-    /// Resolve a discovered Bonjour endpoint to an IP address and port, then return a ConnectionInfo.
-    func resolve(_ cluster: DiscoveredCluster) async -> ConnectionInfo? {
-        await withCheckedContinuation { continuation in
-            let didResume = OSAllocatedUnfairLock(initialState: false)
-            let connection = NWConnection(to: cluster.endpoint, using: .tcp)
-            connection.stateUpdateHandler = { state in
-                guard
-                    didResume.withLock({
-                        guard !$0 else { return false }
-                        $0 = true
-                        return true
-                    })
-                else { return }
-                switch state {
-                case .ready:
-                    if let innerEndpoint = connection.currentPath?.remoteEndpoint,
-                        case .hostPort(let host, let port) = innerEndpoint
-                    {
-                        var hostString: String
-                        switch host {
-                        case .ipv4(let addr):
-                            hostString = "\(addr)"
-                        case .ipv6(let addr):
-                            hostString = "\(addr)"
-                        case .name(let name, _):
-                            hostString = name
-                        @unknown default:
-                            hostString = "\(host)"
-                        }
-                        // Strip interface scope suffix (e.g. "%en0")
-                        if let pct = hostString.firstIndex(of: "%") {
-                            hostString = String(hostString[..<pct])
-                        }
-                        let info = ConnectionInfo(
-                            host: hostString,
-                            port: Int(port.rawValue),
-                            nodeId: nil
-                        )
-                        connection.cancel()
-                        continuation.resume(returning: info)
-                    } else {
-                        connection.cancel()
-                        continuation.resume(returning: nil)
-                    }
-                case .failed, .cancelled:
-                    continuation.resume(returning: nil)
-                default:
-                    // Not a terminal state — allow future callbacks
-                    didResume.withLock { $0 = false }
-                }
-            }
-            connection.start(queue: .global(qos: .userInitiated))
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Services/LocalInferenceService.swift
+++ b/app/EXO-iOS/EXO-iOS/Services/LocalInferenceService.swift
@@ -1,201 +0,0 @@
-import Foundation
-import MLXLLM
-import MLXLMCommon
-
-enum LocalModelState: Equatable {
-    case notDownloaded
-    case downloading(progress: Double)
-    case downloaded
-    case loading
-    case ready
-    case generating
-    case error(String)
-}
-
-@Observable
-@MainActor
-final class LocalInferenceService {
-    private(set) var modelState: LocalModelState = .notDownloaded
-    private var modelContainer: ModelContainer?
-    private var generationTask: Task<Void, Never>?
-
-    let defaultModelId = "mlx-community/Qwen3-0.6B-4bit"
-
-    private static let modelDownloadedKey = "exo_local_model_downloaded"
-
-    var isReady: Bool {
-        modelState == .ready
-    }
-
-    var isAvailable: Bool {
-        modelState == .ready || modelState == .generating
-    }
-
-    init() {
-        if UserDefaults.standard.bool(forKey: Self.modelDownloadedKey) {
-            modelState = .downloaded
-        }
-    }
-
-    // MARK: - Model Lifecycle
-
-    func prepareModel() async {
-        guard modelState == .notDownloaded || modelState == .downloaded else { return }
-
-        let wasDownloaded = modelState == .downloaded
-
-        if !wasDownloaded {
-            modelState = .downloading(progress: 0)
-        } else {
-            modelState = .loading
-        }
-
-        do {
-            let container = try await loadModelContainer(
-                id: defaultModelId
-            ) { [weak self] progress in
-                guard let self else { return }
-                Task { @MainActor in
-                    if case .downloading = self.modelState {
-                        self.modelState = .downloading(progress: progress.fractionCompleted)
-                    }
-                }
-            }
-
-            self.modelContainer = container
-            UserDefaults.standard.set(true, forKey: Self.modelDownloadedKey)
-            modelState = .ready
-        } catch {
-            modelState = .error(error.localizedDescription)
-        }
-    }
-
-    func unloadModel() {
-        cancelGeneration()
-        modelContainer = nil
-        modelState = .downloaded
-    }
-
-    // MARK: - Generation
-
-    func streamChatCompletion(request: ChatCompletionRequest) -> AsyncThrowingStream<
-        ChatCompletionChunk, Error
-    > {
-        AsyncThrowingStream { continuation in
-            let task = Task { [weak self] in
-                guard let self else {
-                    continuation.finish(throwing: LocalInferenceError.serviceUnavailable)
-                    return
-                }
-
-                guard let container = self.modelContainer else {
-                    continuation.finish(throwing: LocalInferenceError.modelNotLoaded)
-                    return
-                }
-
-                await MainActor.run {
-                    self.modelState = .generating
-                }
-
-                defer {
-                    Task { @MainActor [weak self] in
-                        if self?.modelState == .generating {
-                            self?.modelState = .ready
-                        }
-                    }
-                }
-
-                let chunkId = "local-\(UUID().uuidString)"
-
-                do {
-                    // Build Chat.Message array from the request
-                    var chatMessages: [Chat.Message] = []
-                    for msg in request.messages {
-                        switch msg.role {
-                        case "system":
-                            chatMessages.append(.system(msg.content))
-                        case "assistant":
-                            chatMessages.append(.assistant(msg.content))
-                        default:
-                            chatMessages.append(.user(msg.content))
-                        }
-                    }
-
-                    // Use ChatSession for streaming generation
-                    let session = ChatSession(
-                        container,
-                        history: chatMessages,
-                        generateParameters: GenerateParameters(
-                            maxTokens: request.maxTokens ?? 4096,
-                            temperature: Float(request.temperature ?? 0.7)
-                        )
-                    )
-
-                    // Stream with an empty prompt since history already contains the conversation
-                    let stream = session.streamResponse(to: "")
-                    for try await text in stream {
-                        if Task.isCancelled { break }
-
-                        let chunk = ChatCompletionChunk(
-                            id: chunkId,
-                            model: request.model,
-                            choices: [
-                                StreamingChoice(
-                                    index: 0,
-                                    delta: Delta(role: nil, content: text),
-                                    finishReason: nil
-                                )
-                            ],
-                            usage: nil
-                        )
-                        continuation.yield(chunk)
-                    }
-
-                    // Send final chunk with finish reason
-                    let finalChunk = ChatCompletionChunk(
-                        id: chunkId,
-                        model: request.model,
-                        choices: [
-                            StreamingChoice(
-                                index: 0,
-                                delta: Delta(role: nil, content: nil),
-                                finishReason: "stop"
-                            )
-                        ],
-                        usage: nil
-                    )
-                    continuation.yield(finalChunk)
-                    continuation.finish()
-                } catch {
-                    continuation.finish(throwing: error)
-                }
-            }
-
-            self.generationTask = task
-
-            continuation.onTermination = { _ in
-                task.cancel()
-            }
-        }
-    }
-
-    func cancelGeneration() {
-        generationTask?.cancel()
-        generationTask = nil
-        if modelState == .generating {
-            modelState = .ready
-        }
-    }
-}
-
-enum LocalInferenceError: LocalizedError {
-    case serviceUnavailable
-    case modelNotLoaded
-
-    var errorDescription: String? {
-        switch self {
-        case .serviceUnavailable: "Local inference service is unavailable"
-        case .modelNotLoaded: "Local model is not loaded"
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Services/SSEStreamParser.swift
+++ b/app/EXO-iOS/EXO-iOS/Services/SSEStreamParser.swift
@@ -1,50 +0,0 @@
-import Foundation
-
-struct SSEStreamParser<T: Decodable>: AsyncSequence {
-    typealias Element = T
-
-    let bytes: URLSession.AsyncBytes
-    let decoder: JSONDecoder
-
-    init(bytes: URLSession.AsyncBytes, decoder: JSONDecoder = JSONDecoder()) {
-        self.bytes = bytes
-        self.decoder = decoder
-    }
-
-    func makeAsyncIterator() -> AsyncIterator {
-        AsyncIterator(lines: bytes.lines, decoder: decoder)
-    }
-
-    struct AsyncIterator: AsyncIteratorProtocol {
-        var lines: AsyncLineSequence<URLSession.AsyncBytes>.AsyncIterator
-        let decoder: JSONDecoder
-
-        init(lines: AsyncLineSequence<URLSession.AsyncBytes>, decoder: JSONDecoder) {
-            self.lines = lines.makeAsyncIterator()
-            self.decoder = decoder
-        }
-
-        mutating func next() async throws -> T? {
-            while let line = try await lines.next() {
-                let trimmed = line.trimmingCharacters(in: .whitespaces)
-
-                guard trimmed.hasPrefix("data: ") else { continue }
-
-                let payload = String(trimmed.dropFirst(6))
-
-                if payload == "[DONE]" {
-                    return nil
-                }
-
-                guard let data = payload.data(using: .utf8) else { continue }
-
-                do {
-                    return try decoder.decode(T.self, from: data)
-                } catch {
-                    continue
-                }
-            }
-            return nil
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Views/Chat/ChatView.swift
+++ b/app/EXO-iOS/EXO-iOS/Views/Chat/ChatView.swift
@@ -1,203 +0,0 @@
-import SwiftUI
-
-struct ChatView: View {
-    @Environment(ClusterService.self) private var clusterService
-    @Environment(ChatService.self) private var chatService
-    @Environment(LocalInferenceService.self) private var localInferenceService
-    @State private var inputText = ""
-    @State private var showModelSelector = false
-
-    var body: some View {
-        VStack(spacing: 0) {
-            modelBar
-
-            GradientDivider()
-
-            messageList
-
-            GradientDivider()
-
-            inputBar
-        }
-        .background(Color.exoBlack)
-        .sheet(isPresented: $showModelSelector) {
-            ModelSelectorView(
-                models: clusterService.availableModels,
-                selectedModelId: chatService.activeConversation?.modelId
-            ) { modelId in
-                chatService.setModelForActiveConversation(modelId)
-            }
-            .presentationBackground(Color.exoDarkGray)
-        }
-    }
-
-    // MARK: - Model Bar
-
-    private var useLocalModel: Bool {
-        !clusterService.isConnected && localInferenceService.isAvailable
-    }
-
-    private var modelBar: some View {
-        Button {
-            if !useLocalModel {
-                showModelSelector = true
-            }
-        } label: {
-            HStack {
-                Image(systemName: useLocalModel ? "iphone" : "cpu")
-                    .font(.exoCaption)
-                    .foregroundStyle(useLocalModel ? Color.exoYellow : Color.exoLightGray)
-
-                if useLocalModel {
-                    Text(localInferenceService.defaultModelId)
-                        .font(.exoSubheadline)
-                        .foregroundStyle(Color.exoForeground)
-                        .lineLimit(1)
-                } else if let modelId = chatService.activeConversation?.modelId {
-                    Text(modelId)
-                        .font(.exoSubheadline)
-                        .foregroundStyle(Color.exoForeground)
-                        .lineLimit(1)
-                } else {
-                    Text("SELECT MODEL")
-                        .font(.exoSubheadline)
-                        .tracking(1.5)
-                        .foregroundStyle(Color.exoLightGray)
-                }
-
-                Spacer()
-
-                if useLocalModel {
-                    Text("ON-DEVICE")
-                        .font(.exoCaption)
-                        .tracking(1)
-                        .foregroundStyle(Color.exoYellow)
-                        .padding(.horizontal, 6)
-                        .padding(.vertical, 2)
-                        .background(Color.exoYellow.opacity(0.15))
-                        .clipShape(Capsule())
-                } else {
-                    Image(systemName: "chevron.right")
-                        .font(.caption)
-                        .foregroundStyle(Color.exoLightGray)
-                }
-            }
-            .padding(.horizontal)
-            .padding(.vertical, 10)
-            .background(Color.exoDarkGray)
-        }
-        .tint(.primary)
-        .disabled(useLocalModel)
-    }
-
-    // MARK: - Messages
-
-    private var messageList: some View {
-        ScrollViewReader { proxy in
-            ScrollView {
-                LazyVStack(spacing: 12) {
-                    if chatService.activeMessages.isEmpty {
-                        emptyState
-                    } else {
-                        ForEach(chatService.activeMessages) { message in
-                            MessageBubbleView(message: message)
-                                .id(message.id)
-                        }
-                    }
-                }
-                .padding()
-            }
-            .background(Color.exoBlack)
-            .onChange(of: chatService.activeMessages.last?.content) {
-                if let lastId = chatService.activeMessages.last?.id {
-                    withAnimation(.easeOut(duration: 0.2)) {
-                        proxy.scrollTo(lastId, anchor: .bottom)
-                    }
-                }
-            }
-        }
-    }
-
-    private var emptyState: some View {
-        VStack(spacing: 16) {
-            Spacer(minLength: 80)
-
-            ZStack {
-                Circle()
-                    .stroke(Color.exoYellow.opacity(0.15), lineWidth: 1)
-                    .frame(width: 80, height: 80)
-                Circle()
-                    .stroke(Color.exoYellow.opacity(0.3), lineWidth: 1)
-                    .frame(width: 56, height: 56)
-                Circle()
-                    .fill(Color.exoYellow.opacity(0.15))
-                    .frame(width: 32, height: 32)
-                Circle()
-                    .fill(Color.exoYellow)
-                    .frame(width: 8, height: 8)
-                    .shadow(color: Color.exoYellow.opacity(0.6), radius: 6)
-            }
-
-            Text("AWAITING INPUT")
-                .font(.exoSubheadline)
-                .tracking(3)
-                .foregroundStyle(Color.exoLightGray)
-
-            Text("Send a message to begin.")
-                .font(.exoCaption)
-                .foregroundStyle(Color.exoLightGray.opacity(0.6))
-
-            Spacer(minLength: 80)
-        }
-        .padding()
-    }
-
-    // MARK: - Input
-
-    private var inputBar: some View {
-        HStack(alignment: .bottom, spacing: 8) {
-            TextField("Message...", text: $inputText, axis: .vertical)
-                .font(.exoBody)
-                .lineLimit(1...6)
-                .textFieldStyle(.plain)
-                .padding(10)
-                .background(Color.exoMediumGray)
-                .foregroundStyle(Color.exoForeground)
-                .clipShape(RoundedRectangle(cornerRadius: 8))
-
-            if chatService.isGenerating {
-                Button {
-                    chatService.cancelGeneration()
-                } label: {
-                    Image(systemName: "stop.circle.fill")
-                        .font(.title2)
-                        .foregroundStyle(Color.exoDestructive)
-                }
-            } else {
-                Button {
-                    let text = inputText
-                    inputText = ""
-                    chatService.sendMessage(text)
-                } label: {
-                    Text("SEND")
-                        .font(.exoMono(12, weight: .bold))
-                        .tracking(1)
-                        .foregroundStyle(canSend ? Color.exoBlack : Color.exoLightGray)
-                        .padding(.horizontal, 14)
-                        .padding(.vertical, 8)
-                        .background(canSend ? Color.exoYellow : Color.exoMediumGray)
-                        .clipShape(RoundedRectangle(cornerRadius: 8))
-                }
-                .disabled(!canSend)
-            }
-        }
-        .padding(.horizontal)
-        .padding(.vertical, 8)
-        .background(Color.exoDarkGray)
-    }
-
-    private var canSend: Bool {
-        !inputText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
-            && (clusterService.isConnected || localInferenceService.isAvailable)
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Views/Chat/MessageBubbleView.swift
+++ b/app/EXO-iOS/EXO-iOS/Views/Chat/MessageBubbleView.swift
@@ -1,54 +0,0 @@
-import SwiftUI
-
-struct MessageBubbleView: View {
-    let message: ChatMessage
-
-    private var isAssistant: Bool { message.role == .assistant }
-
-    var body: some View {
-        HStack {
-            if message.role == .user { Spacer(minLength: 48) }
-
-            VStack(alignment: isAssistant ? .leading : .trailing, spacing: 6) {
-                // Header
-                HStack(spacing: 4) {
-                    if isAssistant {
-                        Circle()
-                            .fill(Color.exoYellow)
-                            .frame(width: 6, height: 6)
-                            .shadow(color: Color.exoYellow.opacity(0.6), radius: 4)
-                        Text("EXO")
-                            .font(.exoMono(10, weight: .bold))
-                            .tracking(1.5)
-                            .foregroundStyle(Color.exoYellow)
-                    } else {
-                        Text("QUERY")
-                            .font(.exoMono(10, weight: .medium))
-                            .tracking(1.5)
-                            .foregroundStyle(Color.exoLightGray)
-                    }
-                }
-
-                // Bubble
-                HStack(spacing: 0) {
-                    if isAssistant {
-                        RoundedRectangle(cornerRadius: 1)
-                            .fill(Color.exoYellow.opacity(0.5))
-                            .frame(width: 2)
-                    }
-
-                    Text(message.content + (message.isStreaming ? " \u{258C}" : ""))
-                        .font(.exoBody)
-                        .textSelection(.enabled)
-                        .foregroundStyle(Color.exoForeground)
-                        .padding(.horizontal, 14)
-                        .padding(.vertical, 10)
-                }
-                .background(Color.exoDarkGray)
-                .clipShape(RoundedRectangle(cornerRadius: 8))
-            }
-
-            if isAssistant { Spacer(minLength: 48) }
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Views/Chat/ModelSelectorView.swift
+++ b/app/EXO-iOS/EXO-iOS/Views/Chat/ModelSelectorView.swift
@@ -1,75 +0,0 @@
-import SwiftUI
-
-struct ModelSelectorView: View {
-    let models: [ModelOption]
-    let selectedModelId: String?
-    let onSelect: (String) -> Void
-    @Environment(\.dismiss) private var dismiss
-
-    var body: some View {
-        NavigationStack {
-            List {
-                if models.isEmpty {
-                    emptyContent
-                } else {
-                    modelsList
-                }
-            }
-            .scrollContentBackground(.hidden)
-            .background(Color.exoBlack)
-            .navigationTitle("SELECT MODEL")
-            .navigationBarTitleDisplayMode(.inline)
-            .toolbar {
-                ToolbarItem(placement: .cancellationAction) {
-                    Button("Cancel") { dismiss() }
-                        .font(.exoSubheadline)
-                        .foregroundStyle(Color.exoYellow)
-                }
-            }
-        }
-    }
-
-    private var emptyContent: some View {
-        ContentUnavailableView(
-            "No Models Available",
-            systemImage: "cpu",
-            description: Text("Connect to an EXO cluster to see available models.")
-        )
-        .foregroundStyle(Color.exoLightGray)
-        .listRowBackground(Color.exoBlack)
-    }
-
-    private var modelsList: some View {
-        ForEach(models) { model in
-            Button {
-                onSelect(model.id)
-                dismiss()
-            } label: {
-                modelRow(model)
-            }
-            .tint(.primary)
-            .listRowBackground(Color.exoDarkGray)
-        }
-    }
-
-    private func modelRow(_ model: ModelOption) -> some View {
-        HStack {
-            VStack(alignment: .leading, spacing: 2) {
-                Text(model.displayName)
-                    .font(.exoSubheadline)
-                    .foregroundStyle(Color.exoForeground)
-                Text(model.id)
-                    .font(.exoCaption)
-                    .foregroundStyle(Color.exoLightGray)
-            }
-
-            Spacer()
-
-            if model.id == selectedModelId {
-                Image(systemName: "checkmark")
-                    .font(.exoSubheadline)
-                    .foregroundStyle(Color.exoYellow)
-            }
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Views/Components/ConnectionStatusBadge.swift
+++ b/app/EXO-iOS/EXO-iOS/Views/Components/ConnectionStatusBadge.swift
@@ -1,68 +0,0 @@
-import SwiftUI
-
-struct ConnectionStatusBadge: View {
-    let connectionState: ConnectionState
-    var localModelState: LocalModelState = .notDownloaded
-
-    private var isLocalReady: Bool {
-        if case .disconnected = connectionState {
-            return localModelState == .ready || localModelState == .generating
-        }
-        return false
-    }
-
-    var body: some View {
-        HStack(spacing: 6) {
-            Circle()
-                .fill(dotColor)
-                .frame(width: 8, height: 8)
-                .shadow(color: dotColor.opacity(0.6), radius: 4)
-
-            Text(label.uppercased())
-                .font(.exoMono(10, weight: .medium))
-                .tracking(1)
-                .foregroundStyle(Color.exoForeground)
-        }
-        .padding(.horizontal, 10)
-        .padding(.vertical, 5)
-        .background(backgroundColor)
-        .clipShape(Capsule())
-        .overlay(
-            Capsule()
-                .stroke(dotColor.opacity(0.3), lineWidth: 1)
-        )
-    }
-
-    private var dotColor: Color {
-        if isLocalReady {
-            return .exoYellow
-        }
-        switch connectionState {
-        case .connected: return .green
-        case .connecting: return .orange
-        case .disconnected: return .exoLightGray
-        }
-    }
-
-    private var label: String {
-        if isLocalReady {
-            return "Local"
-        }
-        switch connectionState {
-        case .connected: return "Connected"
-        case .connecting: return "Connecting"
-        case .disconnected: return "Disconnected"
-        }
-    }
-
-    private var backgroundColor: Color {
-        if isLocalReady {
-            return Color.exoYellow.opacity(0.1)
-        }
-        switch connectionState {
-        case .connected: return .green.opacity(0.1)
-        case .connecting: return .orange.opacity(0.1)
-        case .disconnected: return Color.exoMediumGray.opacity(0.5)
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Views/RootView.swift
+++ b/app/EXO-iOS/EXO-iOS/Views/RootView.swift
@@ -1,136 +0,0 @@
-import SwiftUI
-
-struct RootView: View {
-    @Environment(ClusterService.self) private var clusterService
-    @Environment(DiscoveryService.self) private var discoveryService
-    @Environment(ChatService.self) private var chatService
-    @Environment(LocalInferenceService.self) private var localInferenceService
-    @State private var showSettings = false
-    @State private var showConversations = false
-
-    var body: some View {
-        NavigationStack {
-            ChatView()
-                .navigationTitle("EXO")
-                .navigationBarTitleDisplayMode(.inline)
-                .toolbar {
-                    ToolbarItem(placement: .topBarLeading) {
-                        conversationMenuButton
-                    }
-
-                    ToolbarItem(placement: .principal) {
-                        ConnectionStatusBadge(
-                            connectionState: clusterService.connectionState,
-                            localModelState: localInferenceService.modelState
-                        )
-                    }
-
-                    ToolbarItem(placement: .topBarTrailing) {
-                        Button {
-                            showSettings = true
-                        } label: {
-                            Image(systemName: "gear")
-                                .foregroundStyle(Color.exoYellow)
-                        }
-                    }
-                }
-        }
-        .tint(Color.exoYellow)
-        .sheet(isPresented: $showSettings) {
-            SettingsView()
-                .environment(discoveryService)
-                .presentationBackground(Color.exoDarkGray)
-        }
-        .sheet(isPresented: $showConversations) {
-            conversationList
-                .presentationBackground(Color.exoDarkGray)
-        }
-    }
-
-    // MARK: - Conversations
-
-    private var conversationMenuButton: some View {
-        HStack(spacing: 12) {
-            Button {
-                showConversations = true
-            } label: {
-                Image(systemName: "sidebar.left")
-                    .foregroundStyle(Color.exoYellow)
-            }
-
-            Button {
-                chatService.createConversation()
-            } label: {
-                Image(systemName: "square.and.pencil")
-                    .foregroundStyle(Color.exoYellow)
-            }
-        }
-    }
-
-    private var conversationList: some View {
-        NavigationStack {
-            List {
-                if chatService.conversations.isEmpty {
-                    Text("No conversations yet")
-                        .font(.exoBody)
-                        .foregroundStyle(Color.exoLightGray)
-                        .listRowBackground(Color.exoDarkGray)
-                } else {
-                    ForEach(chatService.conversations) { conversation in
-                        let isActive = conversation.id == chatService.activeConversationId
-                        Button {
-                            chatService.setActiveConversation(id: conversation.id)
-                            showConversations = false
-                        } label: {
-                            VStack(alignment: .leading, spacing: 4) {
-                                Text(conversation.title)
-                                    .font(.exoSubheadline)
-                                    .fontWeight(isActive ? .semibold : .regular)
-                                    .foregroundStyle(
-                                        isActive ? Color.exoYellow : Color.exoForeground
-                                    )
-                                    .lineLimit(1)
-
-                                if let modelId = conversation.modelId {
-                                    Text(modelId)
-                                        .font(.exoCaption)
-                                        .foregroundStyle(Color.exoLightGray)
-                                        .lineLimit(1)
-                                }
-                            }
-                        }
-                        .listRowBackground(
-                            isActive
-                                ? Color.exoYellow.opacity(0.1)
-                                : Color.exoDarkGray
-                        )
-                    }
-                    .onDelete { indexSet in
-                        for index in indexSet {
-                            chatService.deleteConversation(id: chatService.conversations[index].id)
-                        }
-                    }
-                }
-            }
-            .scrollContentBackground(.hidden)
-            .background(Color.exoBlack)
-            .navigationTitle("Conversations")
-            .navigationBarTitleDisplayMode(.inline)
-            .toolbar {
-                ToolbarItem(placement: .confirmationAction) {
-                    Button("Done") { showConversations = false }
-                        .font(.exoSubheadline)
-                        .foregroundStyle(Color.exoYellow)
-                }
-                ToolbarItem(placement: .topBarLeading) {
-                    Button {
-                        chatService.createConversation()
-                    } label: {
-                        Image(systemName: "plus")
-                            .foregroundStyle(Color.exoYellow)
-                    }
-                }
-            }
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Views/Settings/SettingsView.swift
+++ b/app/EXO-iOS/EXO-iOS/Views/Settings/SettingsView.swift
@@ -1,314 +0,0 @@
-import SwiftUI
-
-struct SettingsView: View {
-    @Environment(ClusterService.self) private var clusterService
-    @Environment(DiscoveryService.self) private var discoveryService
-    @Environment(LocalInferenceService.self) private var localInferenceService
-    @Environment(\.dismiss) private var dismiss
-    @State private var host: String = ""
-    @State private var port: String = "52415"
-
-    var body: some View {
-        NavigationStack {
-            Form {
-                localModelSection
-                nearbyClustersSection
-                connectionSection
-                statusSection
-            }
-            .scrollContentBackground(.hidden)
-            .background(Color.exoBlack)
-            .navigationTitle("Settings")
-            .navigationBarTitleDisplayMode(.inline)
-            .toolbar {
-                ToolbarItem(placement: .confirmationAction) {
-                    Button("Done") { dismiss() }
-                        .font(.exoSubheadline)
-                        .foregroundStyle(Color.exoYellow)
-                }
-            }
-        }
-    }
-
-    // MARK: - Section Headers
-
-    private func sectionHeader(_ title: String) -> some View {
-        Text(title.uppercased())
-            .font(.exoMono(10, weight: .semibold))
-            .tracking(2)
-            .foregroundStyle(Color.exoYellow)
-    }
-
-    // MARK: - Local Model
-
-    private var localModelSection: some View {
-        Section {
-            HStack {
-                VStack(alignment: .leading, spacing: 4) {
-                    Text(localInferenceService.defaultModelId)
-                        .font(.exoSubheadline)
-                        .foregroundStyle(Color.exoForeground)
-
-                    Text(localModelStatusText)
-                        .font(.exoCaption)
-                        .foregroundStyle(Color.exoLightGray)
-                }
-
-                Spacer()
-
-                localModelActionButton
-            }
-            .listRowBackground(Color.exoDarkGray)
-
-            if case .downloading(let progress) = localInferenceService.modelState {
-                ProgressView(value: progress)
-                    .tint(Color.exoYellow)
-                    .listRowBackground(Color.exoDarkGray)
-            }
-        } header: {
-            sectionHeader("Local Model")
-        } footer: {
-            Text(
-                "When disconnected from a cluster, messages are processed on-device using this model."
-            )
-            .font(.exoCaption)
-            .foregroundStyle(Color.exoLightGray.opacity(0.7))
-        }
-    }
-
-    private var localModelStatusText: String {
-        switch localInferenceService.modelState {
-        case .notDownloaded: "Not downloaded"
-        case .downloading(let progress): "Downloading \(Int(progress * 100))%..."
-        case .downloaded: "Downloaded — not loaded"
-        case .loading: "Loading into memory..."
-        case .ready: "Ready"
-        case .generating: "Generating..."
-        case .error(let message): "Error: \(message)"
-        }
-    }
-
-    @ViewBuilder
-    private var localModelActionButton: some View {
-        switch localInferenceService.modelState {
-        case .notDownloaded:
-            exoButton("Download") {
-                Task { await localInferenceService.prepareModel() }
-            }
-        case .downloading:
-            ProgressView()
-                .controlSize(.small)
-                .tint(Color.exoYellow)
-        case .downloaded:
-            exoButton("Load") {
-                Task { await localInferenceService.prepareModel() }
-            }
-        case .loading:
-            ProgressView()
-                .controlSize(.small)
-                .tint(Color.exoYellow)
-        case .ready, .generating:
-            exoButton("Unload") {
-                localInferenceService.unloadModel()
-            }
-        case .error:
-            exoButton("Retry", destructive: true) {
-                Task { await localInferenceService.prepareModel() }
-            }
-        }
-    }
-
-    private func exoButton(_ title: String, destructive: Bool = false, action: @escaping () -> Void)
-        -> some View
-    {
-        let borderColor = destructive ? Color.exoDestructive : Color.exoYellow
-        return Button(action: action) {
-            Text(title.uppercased())
-                .font(.exoMono(11, weight: .semibold))
-                .tracking(1)
-                .foregroundStyle(borderColor)
-                .padding(.horizontal, 10)
-                .padding(.vertical, 5)
-                .overlay(
-                    RoundedRectangle(cornerRadius: 6)
-                        .stroke(borderColor, lineWidth: 1)
-                )
-        }
-    }
-
-    // MARK: - Nearby Clusters
-
-    private var nearbyClustersSection: some View {
-        Section {
-            if discoveryService.discoveredClusters.isEmpty {
-                if discoveryService.isSearching {
-                    HStack {
-                        ProgressView()
-                            .tint(Color.exoYellow)
-                            .padding(.trailing, 8)
-                        Text("Searching for clusters...")
-                            .font(.exoBody)
-                            .foregroundStyle(Color.exoLightGray)
-                    }
-                    .listRowBackground(Color.exoDarkGray)
-                } else {
-                    Text("No clusters found")
-                        .font(.exoBody)
-                        .foregroundStyle(Color.exoLightGray)
-                        .listRowBackground(Color.exoDarkGray)
-                }
-            } else {
-                ForEach(discoveryService.discoveredClusters) { cluster in
-                    HStack {
-                        VStack(alignment: .leading) {
-                            Text(cluster.name)
-                                .font(.exoBody)
-                                .foregroundStyle(Color.exoForeground)
-                        }
-                        Spacer()
-                        exoButton("Connect") {
-                            Task {
-                                await clusterService.connectToDiscoveredCluster(
-                                    cluster, using: discoveryService
-                                )
-                                if clusterService.isConnected {
-                                    dismiss()
-                                }
-                            }
-                        }
-                    }
-                    .listRowBackground(Color.exoDarkGray)
-                }
-            }
-        } header: {
-            sectionHeader("Nearby Clusters")
-        }
-    }
-
-    // MARK: - Manual Connection
-
-    private var connectionSection: some View {
-        Section {
-            TextField("IP Address (e.g. 192.168.1.42)", text: $host)
-                .font(.exoBody)
-                .keyboardType(.decimalPad)
-                .textContentType(.URL)
-                .autocorrectionDisabled()
-                .foregroundStyle(Color.exoForeground)
-                .listRowBackground(Color.exoDarkGray)
-
-            TextField("Port", text: $port)
-                .font(.exoBody)
-                .keyboardType(.numberPad)
-                .foregroundStyle(Color.exoForeground)
-                .listRowBackground(Color.exoDarkGray)
-
-            Button {
-                Task {
-                    let portNum = Int(port) ?? ConnectionInfo.defaultPort
-                    let info = ConnectionInfo(host: host, port: portNum, nodeId: nil)
-                    await clusterService.connect(to: info)
-                    if clusterService.isConnected {
-                        dismiss()
-                    }
-                }
-            } label: {
-                Text(clusterService.isConnected ? "RECONNECT" : "CONNECT")
-                    .font(.exoMono(13, weight: .semibold))
-                    .tracking(1.5)
-                    .foregroundStyle(
-                        host.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
-                            ? Color.exoLightGray : Color.exoYellow
-                    )
-                    .frame(maxWidth: .infinity)
-            }
-            .disabled(host.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
-            .listRowBackground(Color.exoDarkGray)
-        } header: {
-            sectionHeader("Manual Connection")
-        }
-    }
-
-    // MARK: - Status
-
-    private var statusSection: some View {
-        Section {
-            if let connection = clusterService.currentConnection {
-                LabeledContent {
-                    Text(connection.host)
-                        .font(.exoCaption)
-                        .foregroundStyle(Color.exoForeground)
-                } label: {
-                    Text("Host")
-                        .font(.exoCaption)
-                        .foregroundStyle(Color.exoLightGray)
-                }
-                .listRowBackground(Color.exoDarkGray)
-
-                LabeledContent {
-                    Text("\(connection.port)")
-                        .font(.exoCaption)
-                        .foregroundStyle(Color.exoForeground)
-                } label: {
-                    Text("Port")
-                        .font(.exoCaption)
-                        .foregroundStyle(Color.exoLightGray)
-                }
-                .listRowBackground(Color.exoDarkGray)
-
-                if let nodeId = connection.nodeId {
-                    LabeledContent {
-                        Text(String(nodeId.prefix(12)) + "...")
-                            .font(.exoCaption)
-                            .foregroundStyle(Color.exoForeground)
-                    } label: {
-                        Text("Node ID")
-                            .font(.exoCaption)
-                            .foregroundStyle(Color.exoLightGray)
-                    }
-                    .listRowBackground(Color.exoDarkGray)
-                }
-
-                LabeledContent {
-                    Text("\(clusterService.availableModels.count)")
-                        .font(.exoCaption)
-                        .foregroundStyle(Color.exoForeground)
-                } label: {
-                    Text("Models")
-                        .font(.exoCaption)
-                        .foregroundStyle(Color.exoLightGray)
-                }
-                .listRowBackground(Color.exoDarkGray)
-
-                Button(role: .destructive) {
-                    clusterService.disconnect()
-                } label: {
-                    Text("DISCONNECT")
-                        .font(.exoMono(13, weight: .semibold))
-                        .tracking(1.5)
-                        .foregroundStyle(Color.exoDestructive)
-                        .frame(maxWidth: .infinity)
-                }
-                .listRowBackground(Color.exoDarkGray)
-            } else {
-                if let error = clusterService.lastError {
-                    Label {
-                        Text(error)
-                            .font(.exoCaption)
-                    } icon: {
-                        Image(systemName: "exclamationmark.triangle")
-                    }
-                    .foregroundStyle(Color.exoDestructive)
-                    .listRowBackground(Color.exoDarkGray)
-                } else {
-                    Text("Not connected")
-                        .font(.exoBody)
-                        .foregroundStyle(Color.exoLightGray)
-                        .listRowBackground(Color.exoDarkGray)
-                }
-            }
-        } header: {
-            sectionHeader("Status")
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOS/Views/Theme/EXOTheme.swift
+++ b/app/EXO-iOS/EXO-iOS/Views/Theme/EXOTheme.swift
@@ -1,51 +0,0 @@
-import SwiftUI
-
-// MARK: - EXO Color Palette
-
-extension Color {
-    /// Primary background — near-black (#121212)
-    static let exoBlack = Color(red: 0x12 / 255.0, green: 0x12 / 255.0, blue: 0x12 / 255.0)
-    /// Card / surface background (#1F1F1F)
-    static let exoDarkGray = Color(red: 0x1F / 255.0, green: 0x1F / 255.0, blue: 0x1F / 255.0)
-    /// Input field / elevated surface (#353535)
-    static let exoMediumGray = Color(red: 0x35 / 255.0, green: 0x35 / 255.0, blue: 0x35 / 255.0)
-    /// Secondary text (#999999)
-    static let exoLightGray = Color(red: 0x99 / 255.0, green: 0x99 / 255.0, blue: 0x99 / 255.0)
-    /// Accent yellow — matches dashboard (#FFD700)
-    static let exoYellow = Color(red: 0xFF / 255.0, green: 0xD7 / 255.0, blue: 0x00 / 255.0)
-    /// Primary foreground text (#E5E5E5)
-    static let exoForeground = Color(red: 0xE5 / 255.0, green: 0xE5 / 255.0, blue: 0xE5 / 255.0)
-    /// Destructive / error (#E74C3C)
-    static let exoDestructive = Color(red: 0xE7 / 255.0, green: 0x4C / 255.0, blue: 0x3C / 255.0)
-}
-
-// MARK: - EXO Typography (SF Mono via .monospaced design)
-
-extension Font {
-    /// Monospaced font at a given size and weight.
-    static func exoMono(_ size: CGFloat, weight: Font.Weight = .regular) -> Font {
-        .system(size: size, weight: weight, design: .monospaced)
-    }
-
-    /// Body text — 15pt monospaced
-    static let exoBody: Font = .system(size: 15, weight: .regular, design: .monospaced)
-    /// Caption — 11pt monospaced
-    static let exoCaption: Font = .system(size: 11, weight: .regular, design: .monospaced)
-    /// Subheadline — 13pt monospaced medium
-    static let exoSubheadline: Font = .system(size: 13, weight: .medium, design: .monospaced)
-    /// Headline — 17pt monospaced semibold
-    static let exoHeadline: Font = .system(size: 17, weight: .semibold, design: .monospaced)
-}
-
-// MARK: - Reusable Gradient Divider
-
-struct GradientDivider: View {
-    var body: some View {
-        LinearGradient(
-            colors: [.clear, Color.exoYellow.opacity(0.3), .clear],
-            startPoint: .leading,
-            endPoint: .trailing
-        )
-        .frame(height: 1)
-    }
-}
--- a/app/EXO-iOS/EXO-iOSTests/EXO_iOSTests.swift
+++ b/app/EXO-iOS/EXO-iOSTests/EXO_iOSTests.swift
@@ -1,18 +0,0 @@
-//
-//  EXO_iOSTests.swift
-//  EXO-iOSTests
-//
-//  Created by Sami Khan on 2026-02-17.
-//
-
-import Testing
-
-@testable import EXO_iOS
-
-struct EXO_iOSTests {
-
-    @Test func example() async throws {
-        // Write your test here and use APIs like `#expect(...)` to check expected conditions.
-    }
-
-}
--- a/app/EXO-iOS/EXO-iOSUITests/EXO_iOSUITests.swift
+++ b/app/EXO-iOS/EXO-iOSUITests/EXO_iOSUITests.swift
@@ -1,41 +0,0 @@
-//
-//  EXO_iOSUITests.swift
-//  EXO-iOSUITests
-//
-//  Created by Sami Khan on 2026-02-17.
-//
-
-import XCTest
-
-final class EXO_iOSUITests: XCTestCase {
-
-    override func setUpWithError() throws {
-        // Put setup code here. This method is called before the invocation of each test method in the class.
-
-        // In UI tests it is usually best to stop immediately when a failure occurs.
-        continueAfterFailure = false
-
-        // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.
-    }
-
-    override func tearDownWithError() throws {
-        // Put teardown code here. This method is called after the invocation of each test method in the class.
-    }
-
-    @MainActor
-    func testExample() throws {
-        // UI tests must launch the application that they test.
-        let app = XCUIApplication()
-        app.launch()
-
-        // Use XCTAssert and related functions to verify your tests produce the correct results.
-    }
-
-    @MainActor
-    func testLaunchPerformance() throws {
-        // This measures how long it takes to launch your application.
-        measure(metrics: [XCTApplicationLaunchMetric()]) {
-            XCUIApplication().launch()
-        }
-    }
-}
--- a/app/EXO-iOS/EXO-iOSUITests/EXO_iOSUITestsLaunchTests.swift
+++ b/app/EXO-iOS/EXO-iOSUITests/EXO_iOSUITestsLaunchTests.swift
@@ -1,33 +0,0 @@
-//
-//  EXO_iOSUITestsLaunchTests.swift
-//  EXO-iOSUITests
-//
-//  Created by Sami Khan on 2026-02-17.
-//
-
-import XCTest
-
-final class EXO_iOSUITestsLaunchTests: XCTestCase {
-
-    override class var runsForEachTargetApplicationUIConfiguration: Bool {
-        true
-    }
-
-    override func setUpWithError() throws {
-        continueAfterFailure = false
-    }
-
-    @MainActor
-    func testLaunch() throws {
-        let app = XCUIApplication()
-        app.launch()
-
-        // Insert steps here to perform after app launch but before taking a screenshot,
-        // such as logging into a test account or navigating somewhere in the app
-
-        let attachment = XCTAttachment(screenshot: app.screenshot())
-        attachment.name = "Launch Screen"
-        attachment.lifetime = .keepAlways
-        add(attachment)
-    }
-}
--- a/dashboard/src/routes/+page.svelte
+++ b/dashboard/src/routes/+page.svelte
@@ -1084,7 +1084,7 @@
      return {
        isDownloading: false,
        isFailed: statusInfo.statusText === "FAILED",
-        errorMessage: null,
+        errorMessage: statusInfo.errorMessage,
        progress: null,
        statusText: statusInfo.statusText,
        perNode: [],
@@ -1142,10 +1142,15 @@
  function deriveInstanceStatus(instanceWrapped: unknown): {
    statusText: string;
    statusClass: string;
+    errorMessage: string | null;
  } {
    const [, instance] = getTagged(instanceWrapped);
    if (!instance || typeof instance !== "object") {
-      return { statusText: "PREPARING", statusClass: "inactive" };
+      return {
+        statusText: "PREPARING",
+        statusClass: "inactive",
+        errorMessage: null,
+      };
    }

    const inst = instance as {
@@ -1153,50 +1158,106 @@
    };
    const runnerIds = Object.keys(inst.shardAssignments?.runnerToShard || {});

+    const statusMap: Record<string, string> = {
+      RunnerWaitingForInitialization: "WaitingForInitialization",
+      RunnerInitializingBackend: "InitializingBackend",
+      RunnerWaitingForModel: "WaitingForModel",
+      RunnerLoading: "Loading",
+      RunnerLoaded: "Loaded",
+      RunnerWarmingUp: "WarmingUp",
+      RunnerReady: "Ready",
+      RunnerRunning: "Running",
+      RunnerShutdown: "Shutdown",
+      RunnerFailed: "Failed",
+    };
+
    const statuses = runnerIds
      .map((rid) => {
        const r = runnersData[rid];
        if (!r) return null;
-        const [kind] = getTagged(r);
-        const statusMap: Record<string, string> = {
-          RunnerWaitingForInitialization: "WaitingForInitialization",
-          RunnerInitializingBackend: "InitializingBackend",
-          RunnerWaitingForModel: "WaitingForModel",
-          RunnerLoading: "Loading",
-          RunnerLoaded: "Loaded",
-          RunnerWarmingUp: "WarmingUp",
-          RunnerReady: "Ready",
-          RunnerRunning: "Running",
-          RunnerShutdown: "Shutdown",
-          RunnerFailed: "Failed",
-        };
-        return kind ? statusMap[kind] || null : null;
+        const [kind, payload] = getTagged(r);
+        if (!kind || !statusMap[kind]) return null;
+        const errorMessage =
+          kind === "RunnerFailed" && payload && typeof payload === "object"
+            ? (((payload as Record<string, unknown>).errorMessage as string) ??
+              null)
+            : null;
+        return { status: statusMap[kind], errorMessage };
      })
-      .filter((s): s is string => s !== null);
+      .filter(
+        (s): s is { status: string; errorMessage: string | null } => s !== null,
+      );

-    const has = (s: string) => statuses.includes(s);
+    const has = (s: string) => statuses.some((e) => e.status === s);

    if (statuses.length === 0)
-      return { statusText: "PREPARING", statusClass: "inactive" };
-    if (has("Failed")) return { statusText: "FAILED", statusClass: "failed" };
+      return {
+        statusText: "PREPARING",
+        statusClass: "inactive",
+        errorMessage: null,
+      };
+    if (has("Failed")) {
+      const failedEntry = statuses.find(
+        (e) => e.status === "Failed" && e.errorMessage,
+      );
+      return {
+        statusText: "FAILED",
+        statusClass: "failed",
+        errorMessage: failedEntry?.errorMessage ?? null,
+      };
+    }
    if (has("Shutdown"))
-      return { statusText: "SHUTDOWN", statusClass: "inactive" };
+      return {
+        statusText: "SHUTDOWN",
+        statusClass: "inactive",
+        errorMessage: null,
+      };
    if (has("Loading"))
-      return { statusText: "LOADING", statusClass: "starting" };
+      return {
+        statusText: "LOADING",
+        statusClass: "starting",
+        errorMessage: null,
+      };
    if (has("WarmingUp"))
-      return { statusText: "WARMING UP", statusClass: "starting" };
+      return {
+        statusText: "WARMING UP",
+        statusClass: "starting",
+        errorMessage: null,
+      };
    if (has("Running"))
-      return { statusText: "RUNNING", statusClass: "running" };
-    if (has("Ready")) return { statusText: "READY", statusClass: "loaded" };
-    if (has("Loaded")) return { statusText: "LOADED", statusClass: "loaded" };
+      return {
+        statusText: "RUNNING",
+        statusClass: "running",
+        errorMessage: null,
+      };
+    if (has("Ready"))
+      return { statusText: "READY", statusClass: "loaded", errorMessage: null };
+    if (has("Loaded"))
+      return {
+        statusText: "LOADED",
+        statusClass: "loaded",
+        errorMessage: null,
+      };
    if (has("WaitingForModel"))
-      return { statusText: "WAITING", statusClass: "starting" };
+      return {
+        statusText: "WAITING",
+        statusClass: "starting",
+        errorMessage: null,
+      };
    if (has("InitializingBackend"))
-      return { statusText: "INITIALIZING", statusClass: "starting" };
+      return {
+        statusText: "INITIALIZING",
+        statusClass: "starting",
+        errorMessage: null,
+      };
    if (has("WaitingForInitialization"))
-      return { statusText: "INITIALIZING", statusClass: "starting" };
+      return {
+        statusText: "INITIALIZING",
+        statusClass: "starting",
+        errorMessage: null,
+      };

-    return { statusText: "RUNNING", statusClass: "active" };
+    return { statusText: "RUNNING", statusClass: "active", errorMessage: null };
  }

  function getBytes(value: unknown): number {
--- a/dashboard/src/routes/downloads/+page.svelte
+++ b/dashboard/src/routes/downloads/+page.svelte
@@ -30,7 +30,7 @@
        modelDirectory?: string;
      }
    | { kind: "pending"; modelDirectory?: string }
-    | { kind: "failed"; modelDirectory?: string }
+    | { kind: "failed"; modelDirectory?: string; errorMessage?: string }
    | { kind: "not_present" };

  type ModelCardInfo = {
@@ -263,7 +263,10 @@
              modelDirectory,
            };
          } else if (tag === "DownloadFailed") {
-            cell = { kind: "failed", modelDirectory };
+            const errorMsg =
+              ((payload.errorMessage ?? payload.error_message) as string) ||
+              undefined;
+            cell = { kind: "failed", modelDirectory, errorMessage: errorMsg };
          } else {
            cell = { kind: "pending", modelDirectory };
          }
@@ -499,7 +502,7 @@
                    {:else if cell.kind === "failed"}
                      <div
                        class="flex flex-col items-center gap-0.5"
-                        title="Download failed"
+                        title={cell.errorMessage ?? "Download failed"}
                      >
                        <svg
                          class="w-5 h-5 text-red-400"
@@ -512,6 +515,14 @@
                            clip-rule="evenodd"
                          ></path>
                        </svg>
+                        {#if cell.errorMessage}
+                          <span
+                            class="text-[9px] text-red-400/70 max-w-[120px] truncate"
+                            title={cell.errorMessage}
+                          >
+                            {cell.errorMessage}
+                          </span>
+                        {/if}
                        {#if row.shardMetadata}
                          <button
                            type="button"
@@ -707,6 +718,11 @@
                      ({clampPercent(cellStatus.percentage).toFixed(0)}%)
                    {/if}
                  </span>
+                  {#if cellStatus.kind === "failed" && "errorMessage" in cellStatus && cellStatus.errorMessage}
+                    <span class="text-[9px] text-red-400/70 break-all pl-1">
+                      {cellStatus.errorMessage}
+                    </span>
+                  {/if}
                  {#if "modelDirectory" in cellStatus && cellStatus.modelDirectory}
                    <span
                      class="text-[9px] text-white/30 break-all pl-1"
--- a/src/exo/master/api.py
+++ b/src/exo/master/api.py
@@ -1367,7 +1367,6 @@ class API:
    async def run(self):
        shutdown_ev = anyio.Event()

-        bonjour_cleanup = self._register_bonjour_service()
        try:
            async with create_task_group() as tg:
                self._tg = tg
@@ -1383,48 +1382,10 @@ class API:
                    with anyio.CancelScope(shield=True):
                        shutdown_ev.set()
        finally:
-            bonjour_cleanup()
            self._event_log.close()
            self.command_sender.close()
            self.global_event_receiver.close()

-    def _register_bonjour_service(self) -> Callable[[], None]:
-        """Register a Bonjour service via the system mDNSResponder. Returns a cleanup function."""
-        import subprocess
-        import sys
-
-        if sys.platform != "darwin":
-            logger.info("Bonjour service registration is only supported on macOS")
-            return lambda: None
-
-        service_name = f"EXO Cluster ({self.node_id[:8]})"
-        try:
-            proc = subprocess.Popen(
-                [
-                    "dns-sd",
-                    "-R",
-                    service_name,
-                    "_exo._tcp",
-                    "local",
-                    str(self.port),
-                    f"node_id={self.node_id}",
-                ],
-                stdout=subprocess.DEVNULL,
-                stderr=subprocess.DEVNULL,
-            )
-            logger.info(
-                f"Registered Bonjour service _exo._tcp on port {self.port} (pid {proc.pid})"
-            )
-
-            def cleanup() -> None:
-                proc.terminate()
-                proc.wait()
-
-            return cleanup
-        except Exception as e:
-            logger.warning(f"Failed to register Bonjour service: {e}")
-            return lambda: None
-
    async def run_api(self, ev: anyio.Event):
        cfg = Config()
        cfg.bind = [f"0.0.0.0:{self.port}"]