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Evidence Thread Browser (Artifact Evidence Lineage)

Module

Web

Status

IMPLEMENTED

Description

Browse and inspect evidence threads per artifact digest. List view shows all evidence threads; detail view shows the full thread of evidence for a specific artifact including all linked attestations, proofs, and verification results.

Implementation Details

  • Feature directory: src/Web/StellaOps.Web/src/app/features/evidence-thread/
  • Routes: evidence-thread.routes.ts
  • Components:
    • evidence-export-dialog (src/Web/StellaOps.Web/src/app/features/evidence-thread/components/evidence-export-dialog/evidence-export-dialog.component.ts)
    • evidence-graph-panel (src/Web/StellaOps.Web/src/app/features/evidence-thread/components/evidence-graph-panel/evidence-graph-panel.component.ts)
    • evidence-node-card (src/Web/StellaOps.Web/src/app/features/evidence-thread/components/evidence-node-card/evidence-node-card.component.ts)
    • evidence-thread-list (src/Web/StellaOps.Web/src/app/features/evidence-thread/components/evidence-thread-list/evidence-thread-list.component.ts)
    • evidence-thread-view (src/Web/StellaOps.Web/src/app/features/evidence-thread/components/evidence-thread-view/evidence-thread-view.component.ts)
    • evidence-timeline-panel (src/Web/StellaOps.Web/src/app/features/evidence-thread/components/evidence-timeline-panel/evidence-timeline-panel.component.ts)
    • evidence-transcript-panel (src/Web/StellaOps.Web/src/app/features/evidence-thread/components/evidence-transcript-panel/evidence-transcript-panel.component.ts)
  • Services:
    • evidence-thread (src/Web/StellaOps.Web/src/app/features/evidence-thread/services/evidence-thread.service.ts)
  • Source: Feature matrix scan

E2E Test Plan

  • Setup:
    • Log in with a user that has appropriate permissions
    • Navigate to /evidence
    • Ensure test data exists (scanned artifacts, SBOM data, or seed data as needed)
  • Core verification:
    • Verify the component renders correctly with sample data
    • Verify interactive elements respond to user input
    • Verify data is fetched and displayed from the correct API endpoints
  • 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)