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https://github.com/Matysh/houseplan-card
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Codex
fa89d655ed
Stage 4 of #780 (ТЗ §4–§5). «LED strip» next to «Add» draws a chain with clean clicks only (pan, pinch, a second finger, cancel and the synthetic click after navigation add nothing), snaps to the grid and to physical wall faces / zero-wall axes, stops at the first face of masonry, partitions, columns and windows (doors, gates and passages are cut by geometry), Shift gives 45°. Ctrl+Z removes the chain's own point first, Esc finishes, a double click or a click on the first point (≥3 vertices) closes; fewer than two distinct points write nothing. A finished strip opens the device picker (lights first, taken markers explained, «New device…» binds in that dialog's own write, «Later» keeps unbound geometry). A selected strip shows its vertex handles (a drag re-checks both neighbours and the whole path) and a new Devices tray branch: device settings, bind/change, unbind, show as icon, delete. The device dialog gets the representation section: show as strip (restores a hidden shape at once or draws one for this marker, behind the dialog's own save/discard guard), show as icon, unbind/delete for a hidden shape. Every geometry or representation change is one optimistic write and one LED command of the device history; Undo/Redo restores only its own strip record and refuses when a newer change sits on it. A rebinding renames the link in the marker save, a deleted marker leaves an unbound strip, a bound marker may not move to another space. Plan/Background show strips as a passive translucent mark. The tool, its `led` dictionary (en static, ru/de/fr lazy) and placement geometry are a new lazy `led-strip-editor` chunk (9.5 KB gzip), loaded only on the tool, an editable strip in the shown space or a strip device's dialog. The initial graph gets the loader and delegation only (src/led-strip-card.ts); the lazy editor graph +122 B, inside its ceiling. Mutant anchors follow the moved code (marker dialog guard, static LED layer). Issue: #780 User-Visible: no