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git.stella-ops.org/docs/features/checked/web/sbom-diff-side-by-side-panel.md
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SBOM Diff Side-by-Side Panel

Module

Web

Status

VERIFIED

Description

Side-by-side visual comparison panel showing packages added/removed/changed between two SBOM versions, with highlighted risk changes for before/after risk state comparison.

Implementation Details

  • Feature directory: src/Web/StellaOps.Web/src/app/features/sbom-diff/
  • Routes: sbom-diff.routes.ts
  • Components:
    • sbom-diff-view (src/Web/StellaOps.Web/src/app/features/sbom-diff/components/sbom-diff-view/sbom-diff-view.component.ts)
  • Services:
    • sbom-diff (src/Web/StellaOps.Web/src/app/features/sbom-diff/services/sbom-diff.service.ts)
  • Models:
    • src/Web/StellaOps.Web/src/app/features/sbom-diff/models/sbom-diff.models.ts
  • Source: SPRINT_20251226_004_FE_risk_dashboard.md

E2E Test Plan

  • Setup:
    • Log in with a user that has appropriate permissions
    • Navigate to /sbom/diff
    • Ensure test data exists (scanned artifacts, SBOM data, or seed data as needed)
  • Core verification:
    • Verify the panel/drawer opens on trigger (click, keyboard shortcut)
    • Verify the panel displays the correct detail data for the selected item
    • Verify the panel can be closed (X button, Escape key, backdrop click)
  • Edge cases:
    • Verify graceful handling when backend API is unavailable (error state)
    • Verify responsive layout at different viewport sizes
    • Verify accessibility (keyboard navigation, screen reader labels, ARIA attributes)

Verification

  • Run: docs/qa/feature-checks/runs/web/sbom-diff-side-by-side-panel/run-001/
  • Date (UTC): 2026-02-11