GUI feature panel (gui/feature_panel.py), a "Joinery" tab beside Parts:
- Add buttons (Tenon/Mortise/Hole/Slot/Chamfer) drop a sensibly-sized feature
on the selected board (add-with-default), then edit fields (face, along,
across, width, height, depth, diameter) live; a feature list to pick which to
edit; Delete. controller.active_feature tracks the one being edited, with
size defaults derived from the board (controller._feature_defaults).
Chamfers (edge bevels):
- New EDGE_KINDS={"chamfer"}; geometry._apply_chamfer selects the edges around a
face and bevels them with build123d chamfer(), clamped + try/except so an
over-sized bevel can't crash the build. Verified: end + top-edge chamfers
render and reduce volume.
66 tests pass (added chamfer volume + oversize-fallback). Verified GUI imports;
live window still needs a real display.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
rob
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