38 lines
1.7 KiB
Markdown
38 lines
1.7 KiB
Markdown
# Mermaid.js and GraphViz Diagram Renderers
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## Module
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Web
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## Status
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VERIFIED
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## Description
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Reusable diagram rendering components - Mermaid.js renderer for flowcharts/sequence diagrams with theme support, and GraphViz DOT renderer using WASM (@viz-js/viz) for graph visualizations with multiple engine support (dot, neato, fdp, etc.).
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## Implementation Details
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- **Feature directory**: `src/Web/StellaOps.Web/src/app/shared/components/visualization/`
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- **Components**:
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- `graphviz-renderer` (`src/Web/StellaOps.Web/src/app/shared/components/visualization/graphviz-renderer.component.ts`)
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- `mermaid-renderer` (`src/Web/StellaOps.Web/src/app/shared/components/visualization/mermaid-renderer.component.ts`)
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- **Source**: Feature matrix scan
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## E2E Test Plan
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- **Setup**:
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- [ ] Log in with a user that has appropriate permissions
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- [ ] Navigate to the relevant page/section where this feature appears
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- [ ] Ensure test data exists (scanned artifacts, SBOM data, or seed data as needed)
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- **Core verification**:
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- [ ] Verify the visualization renders correctly with sample data
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- [ ] Verify interactive elements (hover tooltips, click-to-drill-down) work
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- [ ] Verify the visualization handles empty/minimal data gracefully
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- **Edge cases**:
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- [ ] Verify graceful handling when backend API is unavailable (error state)
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- [ ] Verify responsive layout at different viewport sizes
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- [ ] Verify accessibility (keyboard navigation, screen reader labels, ARIA attributes)
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## Verification
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- Run: docs/qa/feature-checks/runs/web/mermaid-js-and-graphviz-diagram-renderers/run-001/
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- Tier 0 (source): pass ( ier0-source-check.json)
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- Tier 1 (build/tests): pass ( ier1-build-check.json)
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- Tier 2 (behavior): pass ( ier2-e2e-check.json)
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- Verified on (UTC): 2026-02-11T08:09:51Z
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