v10.3.0

The headline feature: update your PCs straight from Home Assistant, plus a new
diagnostics toolbox. Everything since 10.2.0.

✨ New features

One-click updates from Home Assistant

• The HA update entity now has a working Install button.
• With the Windows service installed, updates apply fully silently — no UAC prompt,
  the tray app relaunches itself when done.
• Without the service, the update runs with a UAC prompt on the PC.
• Home Assistant gets persistent notifications for progress: started, completed
  (old → new version), no installer, or failure.
• Opt into the beta channel in-app to follow GitHub pre-releases.

Danger Zone (opt-in tab on the General page)

• MQTT maintenance — list and delete retained HASS.Agent messages on the broker.
• Republish discovery — re-send device discovery without restarting.
• Debug log — live viewer with filtering and a runtime verbose (DEBUG) toggle.
• Live MQTT monitor — watch hass.agent/# traffic in real time.
• Backup / restore — settings to/from a portable JSON file.
• Factory reset — double-confirmed wipe with a fresh serial number and API key.

Other

• MQTT connection test button on the MQTT page.
• SemVer-aware version comparison so pre-releases (10.3.0-beta.1) sort correctly.

🐛 Fixes

• Custom sensor Test value is now instant for process/service/disk sensors
  (it no longer reads the full system metrics, which scanned the event log each time).
• The General page service warning now also shows when the service is installed but
  stopped, and the HA update notification tells you to start it (instead of silently
  falling back to a UAC prompt nobody is there to confirm).
• Input fields no longer overflow on small window sizes.

📋 Compatibility

• Pairs with the HASS.Agent integration 10.3.0 for persistent notifications;
  older integration versions keep working without that feature.

Full Changelog: v10.2.0...v10.3.0