Widget redesign:
- Zero-click: loads cached status on mount via GET /status (no API calls)
- Shows platform icon + modpack name + version comparison
- Orange background + arrow (current → latest) when update available
- Cyan + checkmark when up to date
- Refresh button triggers manual check
- Calibrate button opens dropdown with last 10 releases
- Ignore button hides non-modpack servers
- Current release highlighted in calibrate dropdown
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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