# Binary-Diff Panel UI Component

## Module
Web

## Status
IMPLEMENTED

## Description
Angular component providing side-by-side binary diff visualization with scope selector (file/section/function level), hex view toggle, and integration with the binary diff backend service for patch detection review.

## Implementation Details
- **Feature directory**: `src/Web/StellaOps.Web/src/app/shared/components/binary-diff/`
- **Components**:
  - `binary-diff-panel` (`src/Web/StellaOps.Web/src/app/shared/components/binary-diff/binary-diff-panel.component.ts`)
- **Source**: SPRINT_20260117_018_FE

## 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)