This commit fixes several issues with the MQTT discovery payload to ensure
full compliance with Home Assistant's MQTT discovery specification and match
the working configuration from the v1 implementation.
Changes:
- Add payload_available ("online") and payload_not_available ("offline") fields
to EntityConfig struct for proper availability handling in HA
- Make device_info parameters (manufacturer, model, sw_version, suggested_area)
configurable via config.yaml instead of hardcoded values
- Remove incorrect device_class "power" from cpu_usage sensor (power is for Watts, not %)
- Update config.example.yaml with documented device_info fields
The discovery payload now correctly includes all required fields for HA to
properly register and display the device with its sensors and switches.
Tested on physical PC (asus) with MQTT broker at 10.0.0.3:1883.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Gilles Soulier
df871ddf6e