# Metrics Dashboard Component (Attestation Coverage, Approval Velocity, Gap Analysis)

## Module
Web

## Status
IMPLEMENTED

## Description
Angular standalone component providing a dashboard view of attestation coverage metrics, approval velocity trends, and evidence gap analysis. Visualizes operational health of the attestation pipeline.

## Implementation Details
- **Feature directory**: `src/Web/StellaOps.Web/src/app/features/analytics/`
- **Routes**: `analytics.routes.ts`
- **Components**:
  - `sbom-lake-page` (`src/Web/StellaOps.Web/src/app/features/analytics/sbom-lake-page.component.ts`)
- **Source**: batch_02/file_00.md

## E2E Test Plan
- **Setup**:
  - [ ] Log in with a user that has appropriate permissions
  - [ ] Navigate to `/analytics`
  - [ ] Ensure test data exists (scanned artifacts, SBOM data, or seed data as needed)
- **Core verification**:
  - [ ] Verify the dashboard loads without errors and displays summary cards/metrics
  - [ ] Verify data refreshes correctly and loading states are shown
  - [ ] Verify empty state is displayed when no data is available
- **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)