aicctv
752aabaff1
fall._states, immobility._still_since/_fired, zone._inside_since/_fired, and engine._last_emit were never pruned when a track was lost (ghost already pruned via on_lost). On a 24/7 edge device this is unbounded growth as track IDs keep incrementing. Add forget(track_id) to FallDetector, ImmobilityWatchdog, and ZoneIntrusionDetector (drops that track's per-track keys/sets). EventEngine.forget(track_id) calls each sub-detector's forget and removes _last_emit cooldown keys whose tuple's second element is that track_id (covers FALL/NO_MOTION/IMMOBILITY/zone/GHOST — GHOST keys are (GHOST, track_id) after FIX 4). EventEngine.process now calls self.forget(tr.track_id) for every track in lost_tracks after emitting, since ghost.on_lost already consumed that track's ghost-relevant state at the top of process(). app.py run_once already calls pool.forget(tr.track_id) for lost tracks as part of FIX 1, completing the cleanup chain (smoother pool + detector state + dedup cache). Tests: tests/test_engine.py adds test_forget_prunes_state_on_lost — fires a FALL event, then passes the track as lost, and asserts engine._last_emit no longer has that track's keys and fall._states no longer has the track id. |
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