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health watch + alerting (service-failure detection; e.g. gitea-pr-watch blackhole) #799

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opened 2026-07-16 20:11:44 +00:00 by jason.woltje · 0 comments
jason.woltje commented 2026-07-16 20:11:44 +00:00
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Part of EPIC #796 (design-first).

Health checker + service health watch that ALERTS on failures — e.g. the gitea-pr-watch blackhole (a watcher silently stopped delivering with no alert).

Scope (design only for now): what services/watchers to monitor, liveness/heartbeat signals, alert channels, escalation.

COORDINATION GATE: enhance agent's Part-3 "always-on monitoring" proposal (in flight, reports to Mos) overlaps this. DO NOT START IMPLEMENTATION until Mos forwards enhance's Part-3 proposal; the two efforts are connected first. Design exploration may proceed; implementation is blocked.

Part of EPIC #796 (design-first). Health checker + service health watch that ALERTS on failures — e.g. the gitea-pr-watch blackhole (a watcher silently stopped delivering with no alert). Scope (design only for now): what services/watchers to monitor, liveness/heartbeat signals, alert channels, escalation. COORDINATION GATE: enhance agent's Part-3 "always-on monitoring" proposal (in flight, reports to Mos) overlaps this. DO NOT START IMPLEMENTATION until Mos forwards enhance's Part-3 proposal; the two efforts are connected first. Design exploration may proceed; implementation is blocked.
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Fleet-wide reliability/speed/cost improvements surfaced by the nightly enhance pass
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Reference: mosaicstack/stack#799
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