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The install dispatch subscribed to a per-op progress subject and streamed per-node download ticks; the upgrade dispatch did a bare 15-minute blocking NATS round-trip with no subscription, so the UI showed progress:0 the whole time (the 'reinstalling but nothing happens' report on a slow node). Thread the op ID through BackendManager.UpgradeBackend -> the distributed manager -> the adapter, and have the adapter subscribe to the per-op progress subject before the request (extracted into a shared subscribeProgress helper reused by install/upgrade/force-fallback). The worker's upgradeBackend now creates the same DebouncedInstallProgressPublisher installBackend uses. An upgrade is a force-reinstall, so it reuses SubjectNodeBackendInstallProgress rather than minting a new subject - no new NATS permission, no new rolling-update compat surface. Reconciler-driven retries pass empty opID/onProgress and stay on the silent path. Reproduced on a live cluster: upgrade of llama-cpp-development on agx-orin-slow sat at progress:0 for 4+ minutes with no per-node feedback. Assisted-by: Claude:claude-opus-4-8 [Claude Code] Signed-off-by: Ettore Di Giacinto <mudler@localai.io>