# Backport Resolution UI with Function Diff Viewer

## Module
Web

## Status
VERIFIED

## Description
Backport-resolution surfaces are implemented with function-level diff rendering, resolution status chips, and evidence drawer integration for patch-vs-vulnerable comparison workflows.

## Implementation Details
- **Feature directory**: `src/Web/StellaOps.Web/src/app/shared/components/function-diff/`
- **Core files**:
  - `src/Web/StellaOps.Web/src/app/shared/components/function-diff/function-diff.component.ts`
  - `src/Web/StellaOps.Web/src/app/shared/components/resolution-chip/resolution-chip.component.ts`
  - `src/Web/StellaOps.Web/src/app/shared/components/evidence-drawer/evidence-drawer.component.ts`
- **Integration surface**:
  - `src/Web/StellaOps.Web/src/app/features/vulnerabilities/vulnerability-detail.component.ts`
- **Focused tests**:
  - `src/Web/StellaOps.Web/src/tests/backport_resolution/function-diff.component.spec.ts`

## Verification
- Date: 2026-02-10
- Run artifacts: `docs/qa/feature-checks/runs/web/backport-resolution-ui-with-function-diff-viewer/run-001/`
- Tier results:
  - `tier0-source-check.json`: pass
  - `tier1-build-check.json`: pass
  - `tier2-e2e-check.json`: pass


## Recheck (run-001)
- Date (UTC): 2026-02-10
- Status: VERIFIED (replayed)
- Tier 1 evidence: Angular build passed and checked-web suite passed 145/145.
- Tier 2 evidence: docs/qa/feature-checks/runs/web/backport-resolution-ui-with-function-diff-viewer/run-001/tier2-e2e-check.json.





## Recheck (run-003)
- Date (UTC): 2026-02-10
- Status: VERIFIED (replayed)
- Tier 1 evidence: Angular build passed and checked-web suite passed 145/145 across 47 files.
- Tier 2 evidence: docs/qa/feature-checks/runs/web/backport-resolution-ui-with-function-diff-viewer/run-003/tier2-e2e-check.json.