- Test beat functionality with manual mode patterns
- Test step parameter for synchronization
- Test list-based select message format
- Test color conversion and reordering
- Test preset creation and updates
- Fix initialization order: initialize self.presets before calling self.select()
- Separate add() and edit() methods: add() creates new presets, edit() updates existing ones
- Update all test files to use add() instead of edit() for creating presets
- Add comprehensive auto/manual mode test
- Remove tool.py (moved to led-tool project)
