Jiayuan b3bbf92a1d fix(runtime): add server-side sweeper to detect stale runtimes ... The only path to marking a runtime offline was the daemon's deregister call on graceful shutdown. If the daemon crashed, was killed, or lost network, the status stayed "online" forever. Add a background goroutine that sweeps every 30s and marks runtimes offline after 45s without a heartbeat (3 missed intervals). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>		2026-03-29 14:22:12 +08:00
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generated	fix(runtime): add server-side sweeper to detect stale runtimes	2026-03-29 14:22:12 +08:00
queries	fix(runtime): add server-side sweeper to detect stale runtimes	2026-03-29 14:22:12 +08:00