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anvillm/internal/session
Levi Neely 407b3732af Replace event queue with in-memory pub-sub event bus
Replaces the TTL-based event queue (internal/events) with a proper
in-memory pub-sub bus (internal/eventbus) backed by simonfxr/pubsub.

The agent/events 9P endpoint is now a streaming subscriber: clients
block on reads and receive one JSON-encoded event per read until they
disconnect. Each open(2) creates a per-connection subscription; clunk
and connection teardown cancel it automatically.

- internal/eventbus/bus.go: new package wrapping simonfxr/pubsub;
  provides Publish(agent, type, data) and Subscribe() -> (chan, cancel)
- internal/events/events.go: deleted
- internal/session/manager.go: SetEventQueue -> SetEventBus; all
  publish sites updated to use eventbus constants
- internal/p9/server.go: fid gains eventCh/eventUnsub fields; Topen
  subscribes, Tread blocks on channel, Tclunk/serve-defer cancel
- cmd/anvilsrv/main.go: wired to SetEventBus

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-02-22 09:38:14 +01:00
..
manager.go Replace event queue with in-memory pub-sub event bus 2026-02-22 09:38:14 +01:00