e53d144626
- Shape list with selection and delete button (B1) - Boolean operations: Union/Intersect/Subtract/Xor (B7) - Bounds editing with X1/Y1/X2/Y2 sliders and size display (B2) - Fill toggle + fill color with RGB sliders (B3) - Stroke color with RGB sliders (B4) - Opacity and Hardness sliders (B5) - Line Cap controls for Line shapes (B6)