The drill's y dimension was discarded (padstack.drill.diameter.x only),
so a milled slot became a round hole of its x size - contact rings,
drill mouths and lead cones painted circles larger than the oblong pad
itself, and the cone was skipped outright (pad_min <= drill).
Slots now keep their true stadium shape, rotated with the pad (KiCad
CCW, y down): Electrode/ViaLink carry the end-cap offset vector,
drill_nm becomes the slot WIDTH, and a shared slot_distance() reduces
to the plain radius for round holes. The barrel wall ring, mouth
coverage, cone taper and the solver's attachment search all follow the
slot; barrel_resistance uses the stadium perimeter and bore area. The
stitching-coat fallback becomes a capsule along the slot (inscribed
disc when the axis is unknown) instead of a largest-dimension disc.
Slot fields round-trip through the JSON dumps.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
janik
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