Initial commit: Tau Acuvim IoT monitoring system
Complete IoT monitoring platform for Acuvim II power meters via ESP32.
Firmware (Phases 1-7):
- ESP32-WROVER-B (TTGO T-Call v1.4) with RS485 Modbus RTU
- WiFi STA+AP concurrent mode with GSM/GPRS failover
- Transport abstraction layer with 4 priority modes
- MQTT protocol with 20 commands, LWT, QoS, exponential backoff
- SD card offline buffering with JSONL rotation and non-blocking drain
- OTA firmware updates with dual partition rollback protection
- Watchdog timer, crash loop detection, Acuvim health monitoring
- Captive portal provisioning with AP mode
Console backend (Phase 8):
- .NET 10 minimal API with PostgreSQL + EF Core
- JWT authentication, SignalR real-time updates
- MQTTnet 5.x bridge service with health monitoring
- Device, telemetry, firmware, alert, group management
- Rate limiting, security headers, Swagger/OpenAPI
Frontend (Phase 9):
- React 18 + TypeScript + Vite with Ant Design 5
- ECharts telemetry visualization, TanStack Query
- SignalR live updates, device management UI
- Dashboard, fleet management, firmware deployment
Testing & Production (Phase 10):
- 28 firmware unit tests (Modbus, JSON, config, version)
- 23 xUnit backend tests (device, telemetry, command, alert)
- Docker Compose with nginx, TLS MQTT, PostgreSQL
- Production deployment, commissioning, and troubleshooting docs
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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