- Add dual-stream calibration: phone sends both raw and cropped preview
frames during calibration so users can see what practice will look like
- Add "Adjust" button to modify existing manual calibration without
resetting to auto-detection first
- Hide calibration quad editor overlay when not in calibration mode
- Fix rotation buttons to update cropped preview immediately
- Add rate limiting (10fps) for cropped preview frames during calibration
- Fix multiple bugs preventing dual-stream mode from working:
- Don't mark calibration as complete during preview mode
- Don't stop detection loop when receiving preview calibration
- Sync refs properly in frame mode change effects
Also includes accumulated formatting and cleanup changes.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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