Multi-select:
- Ctrl+click in the 3D view (viewport.picked carries an additive flag) and
Ctrl/Shift in the parts list (ExtendedSelection) build controller.selected.
- Group ops (move_selected/rotate_selected/stand/lay/sand/delete) apply to every
selected board in ONE undo step via new scene.batch() context manager.
- Voice "move these 4 inches in +y" works: the selected ids are fed into the
interpreter prompt, which expands to one call per selected board.
Numberpad panel (gui/numpad.py):
- Buttons laid out like a numpad: 4/6/8/2 move X/Y, +/- move Z, 7/9 yaw, 1/3
tilt, 0 front, . iso, 5 fit. Configurable move-step and angle-step.
- The physical numpad keys do the same — MainWindow.keyPressEvent forwards
KeypadModifier keys to the panel (unless typing in the command box).
Scene: batch() coalesces checkpoints so a group action is a single undo.
56 tests passing (added batch, toggle-multiselect, group-move-undo).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
rob
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