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fix: preserve wall thickness across partial resize

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Issue: #253
User-Visible: yes
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Sergey Matyunin
2026-08-23 11:42:43 +03:00
parent 9d6a4e34fd
commit bfdeb493cb
16 changed files with 656 additions and 236 deletions
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docs/RESIZE.md
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@@ -136,6 +136,15 @@ it carries only committed geometry. The overlay moves into the real
config exactly once, on pointerup; a cancel (Esc, pointercancel) just
drops the overlay, leaving nothing to restore and nothing to write.
Wall thickness and virtual-boundary spans are derived on every preview from
that same immutable snapshot. An exact thickness entry may extend beyond the
room edge being moved. In that case it is partitioned at the overlap endpoints:
only the covered part follows the wall, while the uncovered continuation stays
on its original edge. Compatibility keys are rebuilt from exact endpoints and
never used alone to discard another interval. A shared part encountered from
both adjacent rooms is transformed once; inconsistent destinations fail closed
and retain the source part.
## Undo
One operation (handle release that changed something) = one undo step.