- Activate STA interface before ESP-NOW to fix ESP_ERR_ESPNOW_IF
- Notify browser on send failure: WebSocket sends error JSON; preset API returns 503
- Use exceptions for failure (not return value) to avoid false errors when send succeeds
- presets.js: handle server error messages in WebSocket onmessage
Made-with: Cursor
- Add drag-and-drop to reorder presets in tabs (2D grid layout)
- Add drag-and-drop to reorder colors within presets
- Add max_colors field to pattern definitions
- Hide color section when max_colors is 0
- Validate color count against pattern max_colors limit
- Store presets in 2D grid format (3 columns)
- Remove left panel from tab content, show only presets
- Update color palette to show swatches instead of hex codes
- Improve preset editor UI with visual color swatches