40 lines
2.0 KiB
Markdown
40 lines
2.0 KiB
Markdown
# VEX Merge Panel Three-Column Layout
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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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Three-column VEX merge panel (source A / merged result / source B) with inline conflict resolution, lattice-based merge visualization, and trust provenance annotations. Enhances the existing VEX merge workflow with side-by-side comparison.
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## Implementation Details
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- **Feature directory**: `src/Web/StellaOps.Web/src/app/features/vex-studio/components/vex-merge-panel/`
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- **Components**:
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- `vex-merge-panel` (`src/Web/StellaOps.Web/src/app/features/vex-studio/components/vex-merge-panel/vex-merge-panel.component.ts`)
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- **Behavior coverage**:
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- `src/Web/StellaOps.Web/src/tests/vex_studio/vex-merge-panel-three-column-layout.behavior.spec.ts`
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- **Source**: batch_38/file_16.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 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 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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## Verification
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- Run ID: `docs/qa/feature-checks/runs/web/vex-merge-panel-three-column-layout/run-001/`
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- Date (UTC): 2026-02-11
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- Tier 0: PASS (component/spec paths and symbols verified; dossier path note captured for inline-template implementation).
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- Tier 1: PASS (`npm run test` focused + regression include suite: 38 files / 174 tests; `npm run build` passed with baseline warnings).
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- Tier 2: PASS (three-column layout rendering, deterministic row ordering/date formatting, provenance actions, and edge state behavior verified via Angular behavior harness).
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