Refactor store dwell alert management API and dwell engine

- Updated argument parsing in manage_api.py to include new threshold parameters.
- Enhanced _config_payload to include thresholds and webhook configurations.
- Modified _build_summary to track queue metrics and adjust alert reporting.
- Refactored DwellEngine to utilize queue thresholds for alerting and reporting.
- Added queue metrics calculations and status change tracking in dwell_engine.py.
- Updated notifier.py to support posting JSON events to webhooks.
- Adjusted example configuration to reflect new threshold parameters.
- Enhanced Docker entrypoint script for better process management.
- Updated tests to cover new queue metrics and thresholds.
- Improved ManagedServiceDetail and ManagedServices Vue components to display queue metrics.

managed/store_dwell_alert/tests/test_config.py

@@ -8,16 +8,18 @@ def test_load_config_reads_thresholds(tmp_path: Path):
     cfg.write_text(
         "camera_id: store_cam_01\n"
         "thresholds:\n"
-        "  min_people: 5\n"
-        "  min_dwell_seconds: 600\n",
+        "  queue_time_threshold_seconds: 300\n"
+        "  crowded_count_threshold: 5\n"
+        "  normal_count_threshold: 2\n",
         encoding="utf-8",
     )
 
     data = load_config(cfg)
 
     assert data.camera_id == "store_cam_01"
-    assert data.thresholds.min_people == 5
-    assert data.thresholds.min_dwell_seconds == 600
+    assert data.thresholds.queue_time_threshold_seconds == 300
+    assert data.thresholds.crowded_count_threshold == 5
+    assert data.thresholds.normal_count_threshold == 2
 
 
 def test_load_config_uses_defaults_for_optional_sections(tmp_path: Path):
@@ -29,4 +31,5 @@ def test_load_config_uses_defaults_for_optional_sections(tmp_path: Path):
     assert data.stream.sample_fps == 2.0
     assert data.staff.min_hits == 3
     assert data.event_sink.path == "logs/events.jsonl"
+    assert data.webhook.url == ""
     assert data.webhook.timeout_seconds == 5.0