Developer 473999d1df feat: actor watching — local death notifications ... Add watch/unwatch API to the actor system so actors can monitor each other's liveness. When a watched actor dies (panic or stop), watchers receive an ActorExited notification via on_actor_exit(). - ExitReason enum (Stopped, Panicked, NodeDown) and ActorExited struct - ContextInner::watch()/unwatch() + Ctx typed wrappers - ActorInterface::on_actor_exit() default method (system message fallback) - WatchRegistry in worker with bidirectional tracking - Death notification dispatch as phase 5b in tick_once - Runtime-level watch for external callers - 10 behavioral tests in tests/watch_api.rs - Design documents for OS features in docs/os-design/ Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>		2026-02-13 07:25:27 +00:00
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progress.md	feat: actor watching — local death notifications	2026-02-13 07:25:27 +00:00