Proof Ledger View (Merkle Tree Scan History)

Module

Web

Status

IMPLEMENTED

Description

Interactive proof ledger displaying scan proof history with Merkle tree visualization, proof bundle download, and a Score Replay Dashboard for triggering and monitoring deterministic score replay operations with before/after comparison.

Implementation Details

Feature directory: src/Web/StellaOps.Web/src/app/features/proof-chain/
Components:
- proof-detail-panel (src/Web/StellaOps.Web/src/app/features/proof-chain/components/proof-detail-panel.component.ts)
- verification-badge (src/Web/StellaOps.Web/src/app/features/proof-chain/components/verification-badge.component.ts)
- proof-chain (src/Web/StellaOps.Web/src/app/features/proof-chain/proof-chain.component.ts)
Services:
- proof-chain (src/Web/StellaOps.Web/src/app/features/proof-chain/proof-chain.service.ts)
Models:
- src/Web/StellaOps.Web/src/app/features/proof-chain/proof-chain.models.ts
Source: Feature matrix scan

E2E Test Plan

Setup:
- Log in with a user that has appropriate permissions
- Navigate to /proofs/:subjectDigest
- 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)

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