Plan for REST API backend (purple team/OPSEC/OSINT):
- Phase 1: Project scaffold, SQLAlchemy models, podman
- Phase 2: UDP collector for sensor data streams
- Phase 3: Core API endpoints (sensors, devices, alerts, probes, events)
- Phase 4: OSINT features (OUI lookup, BLE company ID mapping)
- Phase 5: Fleet management API
Port allocation:
- TCP 5500: HTTP REST API
- UDP 5500: Sensor data collector
- UDP 5501: Sensor commands (outbound)
Also documents completed v1.8 (HTTPS OTA) and v1.9 (multi-channel
scanning, BLE fingerprinting) milestones.
Matches the version deployed on ESP32 sensors. Removes v6.1
workaround, updates all docs to reflect v5.5.2, regenerates
sdkconfig for the correct IDF version.
