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microdao-daarion/tests
Apple a24dae8e18 feat(matrix-bridge-dagi): add backpressure queue with N workers (H2)
Reader + N workers architecture:
  Reader: sync_poll → rate_check → dedupe → queue.put_nowait()
  Workers (WORKER_CONCURRENCY, default 2): queue.get() → invoke → send → audit

Drop policy (queue full):
  - put_nowait() raises QueueFull → dropped immediately (reader never blocks)
  - audit matrix.queue_full + on_queue_dropped callback
  - metric: matrix_bridge_queue_dropped_total{room_id,agent_id}

Graceful shutdown:
  1. stop_event → reader exits loop
  2. queue.join() with QUEUE_DRAIN_TIMEOUT_S (default 5s) → workers finish in-flight
  3. worker tasks cancelled

New config env vars:
  QUEUE_MAX_EVENTS (default 100)
  WORKER_CONCURRENCY (default 2)
  QUEUE_DRAIN_TIMEOUT_S (default 5)

New metrics (H3 additions):
  matrix_bridge_queue_size (gauge)
  matrix_bridge_queue_dropped_total (counter)
  matrix_bridge_queue_wait_seconds histogram (buckets: 0.01…30s)

/health: queue.size, queue.max, queue.workers
MatrixIngressLoop: queue_size + worker_count properties

6 queue tests: enqueue/process, full-drop-audit, concurrency barrier,
graceful drain, wait metric, rate-limit-before-enqueue
Total: 71 passed

Made-with: Cursor
2026-03-05 01:07:04 -08:00
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