Since #713 every raised device tile and lock badge is its floor anchor lifted
by one shared wall-top rise and room names stay on the floor, so the live
scene no longer called the #651 search. What was left of it only cost code,
build time and review attention:
- src/iso-overlays.ts: resolveIsoOverlayRigidGroups, resolveIsoOverlayCollisions
with their boundary-candidate machinery, the nudge search in
resolveIsoOverlayPlacement (the vector to the room safe point, the near-wall
test, the zoom hint), the safe point itself, the nudge/nearWall/cleared/capped
and status/reason fields, and ISO_OVERLAY_MAX_NUDGE_CSS_PX /
ISO_OVERLAY_SAFETY_GAP_CSS_PX.
- src/iso-scene-render.ts: the zoom reuse fast path and the CSS-pixel scale it
compared; a placement now depends only on anchor, owner, footprint and rise,
so zoom and stage resize reuse it by signature. residualPairs is gone and the
memo key is called layoutSignature.
- src/houseplan-card.ts: the overlay scene no longer receives the view, the
reference view or the stage rect it only fed to that scale;
data-hp-iso-nudged stays as the constant "false" that the golden
requireOneRise preflight, the live-touch smoke and the Stage 4 benchmark read.
The #585/#651 unit tests and the seven mutants that guarded only the removed
code are deleted; kept tests drop their nudge assertions, and a stage resize is
now pinned as a non-layout event. docs/ISOMETRIC.md keeps #651 as history only.
Live 2.5D output is unchanged: the 21 isometric golden scenes pass on the
accepted baselines.
Issue: #714
User-Visible: no
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018qZfe7YS4rqEMKoVeS3GKd
