- Switch Flask dev server -> waitress (8 threads, production WSGI)
- Only refresh frame.jpg when frame_index changes, not every second
- Safety try/except on send_file for edge-case file conflicts
- Fix test_run.sh: export PYTHONPATH, use venv python
- Update service file to use venv python
- batch_runner: _store_to_db after each camera (not just at end)
- dashboard: Flask app with templates/index.html
- Single-camera full-screen live stream with auto-switch
- DB history panel in sidebar
- store_results.py: standalone script for existing reports