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docs/features/checked/web/left-rail-navigation-shell.md

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+# Left Rail Navigation Shell
+
+## Module
+Web
+
+## Status
+VERIFIED
+
+## Description
+CSS Grid-based application shell with persistent left sidebar navigation (7 nav sections), replacing the previous mega-menu navigation pattern.
+
+## Implementation Details
+- **Feature directory**: `src/Web/StellaOps.Web/src/app/layout/app-sidebar/`
+- **Components**:
+  - `app-sidebar` (`src/Web/StellaOps.Web/src/app/layout/app-sidebar/app-sidebar.component.ts`)
+  - `sidebar-nav-group` (`src/Web/StellaOps.Web/src/app/layout/app-sidebar/sidebar-nav-group.component.ts`)
+  - `sidebar-nav-item` (`src/Web/StellaOps.Web/src/app/layout/app-sidebar/sidebar-nav-item.component.ts`)
+- **Source**: SPRINT_20260118_001_FE_shell_navigation_redesign.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 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)
+
+## Verification
+- Verified on 2026-02-10 via QA run `run-002`.
+- Evidence: `docs/qa/feature-checks/runs/web/left-rail-navigation-shell/run-002/`.
+
+
+## Recheck (run-003)
+- 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/left-rail-navigation-shell/run-003/tier2-e2e-check.json.
+
+
+