- Pen sizes consolidated into single button with dot icon showing
current size; long-press for 0.38/0.5/0.6/0.7mm selection
- Line button shows thick line icon; long-press for style variants
- Box button shows rectangle outline icon
- Undo/redo replaced with curved arrow icons (gray when disabled)
- Added PenSize enum (MM_038, MM_050, MM_060, MM_070)
- Removed PEN_FINE/PEN_MEDIUM tools, replaced with single PEN tool
that uses the selected PenSize from CanvasState
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Kyle Isom
b902aaa721