- Add TexturePaintView with brush, stroke, undo/redo and OPFS persistence.
- Import/pack local images with a valid ImageTile and replace stale packed files.
- Sync the engine packed asset cache after Main refresh and pack operations.
- Add pixel-level texture paint E2E for draw/undo and OPFS reopen.
- Document linked-image limits and the local RE-derived practice texture.
Co-Authored-By: Claude Code <noreply@anthropic.com>