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feat(companion): add heartbeat success observability state

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William Valentin
2026-02-16 19:37:43 -08:00
parent 6dccef94a6
commit 369250077a
4 changed files with 52 additions and 1 deletions
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README.md
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@@ -1201,7 +1201,7 @@ Companion runtime helper:
- optional `defaultSessionId` for canvas helper calls so `sessionId` can be omitted per call
- lifecycle passthroughs for connection state/teardown (`connected`, `dispose(code?, reason?)`)
- stream passthrough helpers (`subscribeEvents`, `subscribeEvent`, `clearEventSubscriptions`, `listKnownEventNames`, `eventSubscriptionCount`, `subscribeAgentStream/Typing/ContextWarning`, `waitForEvent`, `waitForAnyEvent`, `waitForAgentStream/Typing/ContextWarning`)
- `src/companion/heartbeatLoop.ts` provides `CompanionHeartbeatLoop` for periodic heartbeat scheduling (`publishHeartbeat`) with start/stop safety, optional interval jitter (`jitterRatio`) to spread load, `tickNow()` for manual sends, success/error hooks, failure observability (`failureCount`, `lastFailure`, `getState()`), and optional auto-stop after repeated failures.
- `src/companion/heartbeatLoop.ts` provides `CompanionHeartbeatLoop` for periodic heartbeat scheduling (`publishHeartbeat`) with start/stop safety, optional interval jitter (`jitterRatio`) to spread load, `tickNow()` for manual sends, success/error hooks, loop observability (`successCount`, `lastSuccessAt`, `failureCount`, `lastFailure`, `getState()`), and optional auto-stop after repeated failures.
## Canvas / A2UI Foundation