a4e95482bc
H1 — InMemoryRateLimiter (sliding window, no Redis):
- Per-room: RATE_LIMIT_ROOM_RPM (default 20/min)
- Per-sender: RATE_LIMIT_SENDER_RPM (default 10/min)
- Room checked before sender — sender quota not charged on room block
- Blocked messages: audit matrix.rate_limited + on_rate_limited callback
- reset() for ops/test, stats() exposed in /health
H3 — Extended Prometheus metrics:
- matrix_bridge_rate_limited_total{room_id,agent_id,limit_type}
- matrix_bridge_send_duration_seconds histogram (invoke was already there)
- matrix_bridge_invoke_duration_seconds buckets tuned for LLM latency
- matrix_bridge_rate_limiter_active_rooms/senders gauges
- on_invoke_latency + on_send_latency callbacks wired in ingress loop
16 new tests: rate limiter unit (13) + ingress integration (3)
Total: 65 passed
Made-with: Cursor