jifeng 858c900af9 feat(serve): add daemon idle detection to GET /health?deep=true (#4934) ... * docs(design): add daemon idle detection API design for machine reclamation When qwen daemon is deployed across multiple machines, an external scheduler needs a reliable signal to determine if a daemon is idle and the machine can be reclaimed. This design proposes enhancing GET /health?deep=true with activePrompts, connectedClients, channelAlive, lastActivityAt, and idleSinceMs fields. * feat(serve): add idle-detection fields to GET /health?deep=true * fix(test): add activePromptCount and lastActivityAt to fakeBridge Update the test helper to satisfy the expanded AcpSessionBridge interface so /health?deep=true tests pass with the new fields. * test(idle-detection): add unit tests for activePromptCount, lastActivityAt and /health?deep=true new fields * refactor(bridge): replace activePromptCount iteration with O(1) counter * fix(bridge): move idleSinceMs computation into bridge to eliminate race window * fix(idle-detection): keep daemon health state consistent Guard prompt teardown so activePromptCount only decrements once and compute deep health idle fields from the same activity snapshot. * fix(acp): prevent active prompt leak after channel crash Reject queued prompts after their session entry has been torn down so daemon health does not report phantom active prompts. --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>		2026-06-18 06:55:03 +00:00
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plans	feat(serve): add daemon idle detection to GET /health?deep=true (#4934)	2026-06-18 06:55:03 +00:00
specs	feat(daemon): merge daemon-mode feature batch into main (#4490)	2026-06-12 00:34:49 +08:00