- Increase window size from 1800x1200 to 2700x1800
- Scale all font sizes by 50% (14pt → 21pt, 12pt → 18pt, etc.)
- Make all buttons and controls 50% larger
- Increase grid minimum sizes from 140x70 to 210x105
- Scale button dimensions from 14x4 to 21x6 characters
- Increase padding and spacing by 50% (6px → 9px)
- Make border widths thicker (2px → 3px)
- Improve touch-friendliness and readability
- Maintain proportional scaling across all UI elements
- Add n4 parameter to control server, LED bar receiver, and test script
- Create segmented_movement pattern with alternating forward/backward movement
- Pattern supports n1 (segment length), n2 (spacing), n3 (forward speed), n4 (backward speed)
- Fix test script to send all messages instead of just the first one
- Add segmented_movement to patterns_needing_params for proper parameter transmission
- Pattern intelligently handles all cases: alternating, forward-only, backward-only, or static
- Implements repeating segments with configurable spacing across LED strip
