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feat(companion): add cancellable pending event wait helper

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William Valentin
2026-02-16 22:18:17 -08:00
parent c41332a643
commit c4a8d099d6
6 changed files with 69 additions and 2 deletions
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README.md
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@@ -1190,7 +1190,7 @@ Methods:
- `system.capabilities` returns gateway protocol and node policy snapshot.
Companion runtime helper:
- `src/companion/runtimeClient.ts` provides a typed Node/WebSocket client for companion runtimes (macOS/iOS/Android workers) with wrappers for `node.register`, `node.capabilities.get`, `node.location.set/get`, `node.status.set`, `node.push_token.set`, `system.capabilities`, `system.nodes`, and canvas artifact RPCs (`canvas.put/get/list/delete/clear`), plus convenience helpers (`bootstrapNode`, optional `autoConnect`, `dispose()`, `waitForIdle()` for pending-work drain synchronization) and event helpers (`subscribeEvents()`, `subscribeEvent()`, `subscribeAgentStream()`, `subscribeAgentTyping()`, `subscribeContextWarning()`, `waitForEvent()` with timeout/predicate/abort support plus event-name/timeout validation and deterministic teardown cancellation including socket-close rejection, `waitForAnyEvent()` with event-list/timeout validation, `waitForAgentStream()`, `waitForAgentTyping()`, `waitForContextWarning()`, `clearEventSubscriptions()`, `listKnownEventNames()`, `eventSubscriptionCount`) plus in-flight observability via `pendingRequestCount`, `pendingEventWaitCount`, `hasPendingWork`, `idle`, and `getPendingWorkSnapshot()`.
- `src/companion/runtimeClient.ts` provides a typed Node/WebSocket client for companion runtimes (macOS/iOS/Android workers) with wrappers for `node.register`, `node.capabilities.get`, `node.location.set/get`, `node.status.set`, `node.push_token.set`, `system.capabilities`, `system.nodes`, and canvas artifact RPCs (`canvas.put/get/list/delete/clear`), plus convenience helpers (`bootstrapNode`, optional `autoConnect`, `dispose()`, `waitForIdle()` for pending-work drain synchronization) and event helpers (`subscribeEvents()`, `subscribeEvent()`, `subscribeAgentStream()`, `subscribeAgentTyping()`, `subscribeContextWarning()`, `waitForEvent()` with timeout/predicate/abort support plus event-name/timeout validation and deterministic teardown cancellation including socket-close rejection, `waitForAnyEvent()` with event-list/timeout validation, `waitForAgentStream()`, `waitForAgentTyping()`, `waitForContextWarning()`, `clearEventSubscriptions()`, `cancelPendingEventWaits()`, `listKnownEventNames()`, `eventSubscriptionCount`) plus in-flight observability via `pendingRequestCount`, `pendingEventWaitCount`, `hasPendingWork`, `idle`, and `getPendingWorkSnapshot()`.
- `src/companion/platformClients.ts` provides platform-focused wrappers:
- `MacOSCompanionClient` (`platform: "macos"`, APNs push registration)
- `IOSCompanionClient` (`platform: "ios"`, APNs push registration)
@@ -1200,7 +1200,7 @@ Companion runtime helper:
- `createHeartbeatLoop()` convenience helper that returns a bound `CompanionHeartbeatLoop`
- 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`)
- stream passthrough helpers (`subscribeEvents`, `subscribeEvent`, `clearEventSubscriptions`, `cancelPendingEventWaits`, `listKnownEventNames`, `eventSubscriptionCount`, `subscribeAgentStream/Typing/ContextWarning`, `waitForEvent`, `waitForAnyEvent`, `waitForAgentStream/Typing/ContextWarning`)
- runtime observability/control passthroughs (`pendingRequestCount`, `pendingEventWaitCount`, `hasPendingWork`, `idle`, `getPendingWorkSnapshot()`, `connected`, `waitForIdle()`)
- `src/companion/heartbeatLoop.ts` provides `CompanionHeartbeatLoop` for periodic heartbeat scheduling (`publishHeartbeat`) with start/stop safety, optional interval jitter (`jitterRatio`) to spread load (with safe normalization for invalid random samples), `tickNow()` for manual sends, success/error hooks, loop observability (`successCount`, `lastSuccessAt`, `failureCount`, `lastFailure`, `getState()`), and optional auto-stop after repeated failures.