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https://github.com/Matysh/houseplan-card
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Matysh
b70153769a
Owner: 'not like that — the whole wall is counted now, only the wall of ONE room must count'. openingShoulders no longer merges collinear touching edges of neighbouring rooms into a physical run: the wall is exactly the room- polygon edge the opening is snapped to. Selection mirrors snapToWall (nearest collinear edge, first in roomEdges order on a tie), so the ruler always measures the same edge the drag snapped to; the center tick/magnet now targets that edge's middle. Unit tests flipped to the new contract plus a staggered shared-wall case; smoke_opening_measure recalculated for r1's own edge 40..550 and grew a shared-wall scenario (both failed on the old build, green now); docs/TESTING.md wording updated.