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Pan / zoom tune (dev)

ELK leaf node width (px) — re-runs ELK + React Flow / SVG 96

Leaf width/height policy lives in elk-node-dimensions.js; RF fallbacks match processLayoutedGraph(..., dimensions) from openai-realtime-elkjs-tool.

Wheel / trackpad pan sensitivity 2.00

Zoom step (⌘/Ctrl+scroll & +/− buttons) 0.10

Edge hover tolerance (screen px) 14

Target width on screen; invisible hit stroke scales as 1 / zoom so it feels the same while you zoom the canvas.

React Flow group label size (screen px) 12

Constant on-screen size; RF viewport zoom scales node chrome, label compensates with fontSize / zoom.

RF group label inside/outside threshold (viewport zoom) 0.80

At or below → label inside group (top-left); above → above frame, flush left. Matches RF min/max zoom (~0.08–2).

Console: viewTune.elkLeafNodeWidth = 240 then refreshElkDerivedDiagramViews() or syncViewTuneUI(). RF labels: viewTune.groupLabelFontPx, viewTune.groupLabelOutsideZoomAt.