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* fix(nodes/health): skip stale-marking already-offline nodes The health monitor re-emitted "Node heartbeat stale" + "Marking stale node offline" + MarkOffline on every cycle for nodes that were already in the offline (or unhealthy) state. For an operator-stopped node this flooded the logs with the same WARN+INFO pair every check interval. Skip the staleness branch when the node is already StatusOffline / StatusUnhealthy — the state is already what we'd write, so neither the log lines nor the DB update carry information. Signed-off-by: Ettore Di Giacinto <mudler@localai.io> * fix(worker): wait for backend gRPC bind before replying to backend.install The backend supervisor used to wait up to 4s (20 × 200ms) for the backend's gRPC server to answer a HealthCheck, then log a warning and reply Success with the bind address anyway. On slower nodes (a Jetson Orin doing first-boot CUDA init, large CGO library load) the gRPC listener wasn't up yet, so the frontend's first LoadModel dial returned "connect: connection refused" and the operator chased a phantom network issue instead of a startup-timing one. Two changes: - Bump the readiness window to 30s. CUDA init on Orin/Thor first boot measures in seconds, not milliseconds. - On deadline-exceeded, stop the half-started process, recycle the port, and return an error with the backend's stderr tail. The frontend now gets a real failure with diagnostic context instead of a misleading ECONNREFUSED on a downstream dial. Process death during the wait window keeps its existing fast-fail path. Signed-off-by: Ettore Di Giacinto <mudler@localai.io> * fix(distributed): route auto-upgrade through BackendManager + bump LocalAGI/LocalRecall Two distributed-mode bugs that surfaced together in the orchestrator logs: 1. Auto-upgrade always failed with "backend not found". UpgradeChecker correctly routed CheckUpgrades through the active BackendManager (so the frontend aggregates worker state), but the auto-upgrade branch right below called gallery.UpgradeBackend directly with the frontend's SystemState. In distributed mode the frontend has no backends installed locally, so ListSystemBackends returned empty and Get(name) failed for every reported upgrade. Auto-upgrade now also goes through BackendManager.UpgradeBackend, which fans out to workers via NATS. 2. Embedding-load failure on a remote node crashed the orchestrator. When RAG init lazily called NewPersistentPostgresCollection and the remote embedding worker was unreachable, LocalRecall called os.Exit(1) inside the constructor, killing the orchestrator pod. LocalRecall now returns errors instead, LocalAGI surfaces them as a nil collection, and the existing RAGProviderFromState path returns (nil, nil, false) — the same code path the agent pool already takes when no RAG is configured. The orchestrator stays up; chat requests degrade to "no RAG available" until the embedding worker recovers. Bumps: github.com/mudler/LocalAGI → e83bf515d010 github.com/mudler/localrecall → 6138c1f535ab Signed-off-by: Ettore Di Giacinto <mudler@localai.io> --------- Signed-off-by: Ettore Di Giacinto <mudler@localai.io> Co-authored-by: Ettore Di Giacinto <mudler@localai.io>