feat: add interactive ProcessDiagram SVG component (sub-project 1/3)
New interactive route diagram component with SVG rendering using
server-computed ELK layout coordinates. TIBCO BW5-inspired top-bar
card node style with zoom/pan, hover toolbars, config badges, and
error handler sections below the main flow.
Backend: add direction query parameter (LR/TB) to diagram render
endpoints, defaulting to left-to-right layout.
Frontend: 14-file ProcessDiagram component in ui/src/components/
with DiagramNode, CompoundNode, DiagramEdge, ConfigBadge, NodeToolbar,
ErrorSection, ZoomControls, and supporting hooks. Dev test page at
/dev/diagram for validation.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-27 13:55:29 +01:00
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.container {
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position: relative;
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width: 100%;
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height: 100%;
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min-height: 300px;
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overflow: hidden;
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background: var(--bg-surface, #FFFFFF);
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border: 1px solid var(--border, #E4DFD8);
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border-radius: var(--radius-md, 8px);
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}
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.svg {
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width: 100%;
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height: 100%;
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display: block;
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outline: none;
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}
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.loading {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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min-height: 300px;
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color: var(--text-muted, #9C9184);
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font-size: 14px;
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}
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.error {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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min-height: 300px;
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color: var(--error, #C0392B);
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font-size: 14px;
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}
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.zoomControls {
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position: absolute;
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bottom: 12px;
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right: 12px;
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display: flex;
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align-items: center;
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gap: 4px;
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background: var(--bg-surface, #FFFFFF);
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border: 1px solid var(--border, #E4DFD8);
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border-radius: var(--radius-sm, 5px);
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padding: 4px;
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box-shadow: var(--shadow-md, 0 2px 8px rgba(44, 37, 32, 0.08));
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}
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.zoomBtn {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 28px;
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height: 28px;
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border: none;
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background: transparent;
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color: var(--text-primary, #1A1612);
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font-size: 16px;
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cursor: pointer;
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border-radius: var(--radius-sm, 5px);
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}
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.zoomBtn:hover {
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background: var(--bg-hover, #F5F0EA);
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}
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.zoomLevel {
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font-size: 11px;
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color: var(--text-muted, #9C9184);
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min-width: 36px;
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text-align: center;
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font-variant-numeric: tabular-nums;
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}
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2026-03-27 16:33:24 +01:00
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.nodeToolbar {
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position: absolute;
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display: flex;
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align-items: center;
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gap: 2px;
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padding: 3px 4px;
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background: var(--bg-surface, #FFFFFF);
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border: 1px solid var(--border, #E4DFD8);
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border-radius: var(--radius-sm, 5px);
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box-shadow: var(--shadow-lg, 0 4px 16px rgba(44, 37, 32, 0.10));
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transform: translate(-50%, -100%);
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margin-top: -6px;
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z-index: 10;
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pointer-events: auto;
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}
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.nodeToolbarBtn {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 26px;
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height: 26px;
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border: none;
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background: transparent;
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color: var(--text-secondary, #5C5347);
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font-size: 12px;
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cursor: pointer;
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border-radius: var(--radius-sm, 5px);
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padding: 0;
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}
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.nodeToolbarBtn:hover {
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background: var(--bg-hover, #F5F0EA);
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color: var(--text-primary, #1A1612);
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}
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