Fix branch semantics: only horizontal extends, vertical + diagonal = new track
→ ← = extend same line (horizontal tracks) ↑ ↓ = new track (parallel line above/below) ↘ ↗ = new track (diagonal fork) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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@@ -585,7 +585,7 @@ const renderBranchHandles = (nodeGroup, node, allNodes) => {
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.attr('font-family', "'VT323', monospace")
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.attr('font-size', '12px')
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.attr('opacity', 0.5)
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.text(occupied ? 'interchange' : ([0, 90, 180, 270].includes(b.deg) ? 'extend' : 'fork'))
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.text(occupied ? 'interchange' : ([0, 180].includes(b.deg) ? 'extend' : 'new track'))
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})
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.on('mouseleave', () => {
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handleGroup.selectAll('.ghost-preview').remove()
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@@ -595,7 +595,7 @@ const renderBranchHandles = (nodeGroup, node, allNodes) => {
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emit('create-node', {
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x: targetX,
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y: targetY,
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lineId: [0, 90, 180, 270].includes(b.deg) ? node.lineId : null, // cardinal = same line, diagonal = new track
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lineId: [0, 180].includes(b.deg) ? node.lineId : null, // horizontal = same line, vertical + diagonal = new track
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afterNodeId: node.id,
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branchAngle: b.deg,
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parentNodeId: currentDimensionData.value?.parentNodeId ?? null,
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