- Add LED heartbeat to secubox-core daemon using MochaBin's RGB LEDs (led1)
- Green flash: system healthy
- Double red flash: warning state
- Long red flash: error state
- Blue flash: boot/startup
- LED pulses once per watchdog cycle (default 60s)
- New UCI options: led_heartbeat (default 1), watchdog_interval (default 60)
- Add "Node Services" section to Vortex DNS LuCI dashboard showing published sites
- Bump secubox-core version to 0.10.0-r12
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>