- engine::draw::layout: the drawing as data. It gives the qubits, the columns (each item's cells as [qubit, label], and whether a line joins them) and the legend of conditions, packed as the text drawing packs them. The packing moves into one function, which both forms use.
- wai-web's engine binding gains engine_layout, and the desktop app gains `layout`.
- The Studio draws the circuit as SVG from it:
- wires, gate boxes, a control's dot joined to its target's ring, swaps;
- measurements as meters with their bit, resets;
- a gate under a condition with a dashed outline and the condition's number.
Colours come from the page's tokens, each item has a title naming its gates and qubits, and the SVG has a text alternative. "Text" shows the text drawing to copy. Past 400 columns the diagram stops and says so.
- Tests: the layout of a circuit with a shared column, a joined CX and a conditioned gate; the binding's layout. The Studio test adds the diagram's glyphs and text alternative, and the Text toggle.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
(cherry picked from commit c2e89a9fd9)
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