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Trust Algebra Panel Angular Components

Module

Web

Status

IMPLEMENTED

Description

Angular component suite for visualizing the VEX trust lattice: TrustAlgebraComponent (main panel), ConfidenceMeterComponent, ClaimTableComponent, PolicyChipsComponent, plus models and service. Distinct from existing features like "Proof Studio UX" or "Evidence Panel UI" -- this is specifically the trust algebra visualization with claim table and policy chip views.

Implementation Details

  • Feature directory: src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/
  • Components:
    • claim-table (src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/claim-table.component.ts)
    • confidence-meter (src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/confidence-meter.component.ts)
    • policy-chips (src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/policy-chips.component.ts)
    • replay-button (src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/replay-button.component.ts)
    • trust-algebra (src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/trust-algebra.component.ts)
    • trust-vector-bars (src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/trust-vector-bars.component.ts)
  • Services:
    • trust-algebra (src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/trust-algebra.service.ts)
  • Models:
    • src/Web/StellaOps.Web/src/app/features/vulnerabilities/components/trust-algebra/trust-algebra.models.ts
  • Source: SPRINT_7100_0003_0001_ui_trust_algebra.md

E2E Test Plan

  • Setup:
    • Log in with a user that has appropriate permissions
    • Navigate to the relevant page/section where this feature appears
    • 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)