58 lines
4.2 KiB
Markdown
58 lines
4.2 KiB
Markdown
# Lineage Compare Panel (Side-by-Side SBOM/VEX Diff)
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## Module
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Web
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## Status
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IMPLEMENTED
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## Description
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Interactive side-by-side comparison panel for SBOM lineage graph with dedicated SBOM diff view (added/removed/updated components), VEX diff view (status transitions), and URL-addressable compare state for sharing comparison links.
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## Implementation Details
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- **Feature directory**: `src/Web/StellaOps.Web/src/app/features/lineage/`
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- **Routes**: `lineage.routes.ts`
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- **Components**:
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- `attestation-links` (`src/Web/StellaOps.Web/src/app/features/lineage/components/attestation-links/attestation-links.component.ts`)
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- `audit-pack-export` (`src/Web/StellaOps.Web/src/app/features/lineage/components/audit-pack-export/audit-pack-export.component.ts`)
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- `export-options` (`src/Web/StellaOps.Web/src/app/features/lineage/components/audit-pack-export/export-options/export-options.component.ts`)
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- `merkle-display` (`src/Web/StellaOps.Web/src/app/features/lineage/components/audit-pack-export/merkle-display/merkle-display.component.ts`)
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- `signing-options` (`src/Web/StellaOps.Web/src/app/features/lineage/components/audit-pack-export/signing-options/signing-options.component.ts`)
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- `cgs-badge` (`src/Web/StellaOps.Web/src/app/features/lineage/components/cgs-badge/cgs-badge.component.ts`)
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- `compare-panel` (`src/Web/StellaOps.Web/src/app/features/lineage/components/compare-panel/compare-panel.component.ts`)
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- `diff-table` (`src/Web/StellaOps.Web/src/app/features/lineage/components/diff-table/diff-table.component.ts`)
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- `explainer-step` (`src/Web/StellaOps.Web/src/app/features/lineage/components/explainer-timeline/explainer-step/explainer-step.component.ts`)
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- `explainer-timeline` (`src/Web/StellaOps.Web/src/app/features/lineage/components/explainer-timeline/explainer-timeline.component.ts`)
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- `export-dialog` (`src/Web/StellaOps.Web/src/app/features/lineage/components/export-dialog/export-dialog.component.ts`)
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- `keyboard-shortcuts-help` (`src/Web/StellaOps.Web/src/app/features/lineage/components/keyboard-shortcuts-help/keyboard-shortcuts-help.component.ts`)
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- `lineage-compare-panel` (`src/Web/StellaOps.Web/src/app/features/lineage/components/lineage-compare-panel/lineage-compare-panel.component.ts`)
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- `lineage-compare` (`src/Web/StellaOps.Web/src/app/features/lineage/components/lineage-compare/lineage-compare.component.ts`)
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- `lineage-component-diff` (`src/Web/StellaOps.Web/src/app/features/lineage/components/lineage-component-diff/lineage-component-diff.component.ts`)
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- ... and 32 more components
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- **Services**:
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- `audit-pack` (`src/Web/StellaOps.Web/src/app/features/lineage/services/audit-pack.service.ts`)
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- `explainer` (`src/Web/StellaOps.Web/src/app/features/lineage/services/explainer.service.ts`)
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- `lineage-export` (`src/Web/StellaOps.Web/src/app/features/lineage/services/lineage-export.service.ts`)
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- `lineage-graph` (`src/Web/StellaOps.Web/src/app/features/lineage/services/lineage-graph.service.ts`)
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- **Models**:
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- `src/Web/StellaOps.Web/src/app/features/lineage/components/audit-pack-export/models/audit-pack.models.ts`
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- `src/Web/StellaOps.Web/src/app/features/lineage/components/diff-table/models/diff-table.models.ts`
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- `src/Web/StellaOps.Web/src/app/features/lineage/components/explainer-timeline/models/explainer.models.ts`
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- `src/Web/StellaOps.Web/src/app/features/lineage/components/node-diff-table/models/diff-table.models.ts`
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- `src/Web/StellaOps.Web/src/app/features/lineage/components/pinned-explanation/models/pinned.models.ts`
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- **Source**: SPRINT_20251228_008_FE_sbom_lineage_graph_ii.md
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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 `/lineage`
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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 panel/drawer opens on trigger (click, keyboard shortcut)
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- [ ] Verify the panel displays the correct detail data for the selected item
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- [ ] Verify the panel can be closed (X button, Escape key, backdrop click)
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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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