semi implemented and features implemented save checkpoint

docs/features/unchecked/web/releases-list-and-detail-pages.md

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+# Releases List and Detail Pages (7-Tab Detail)
+
+## Module
+Web
+
+## Status
+IMPLEMENTED
+
+## Description
+Full releases feature with filterable list view and detail page with 7 tabs (Overview, Components, Gates, Promotions, Deployments, Evidence, Proof Chain) using signal-based state management.
+
+## Implementation Details
+- **Feature directory**: `src/Web/StellaOps.Web/src/app/features/releases/`
+- **Routes**: `releases.routes.ts`
+- **Components**:
+  - `policy-gate-indicator` (`src/Web/StellaOps.Web/src/app/features/releases/policy-gate-indicator.component.ts`)
+  - `release-detail-page` (`src/Web/StellaOps.Web/src/app/features/releases/release-detail-page.component.ts`)
+  - `release-flow` (`src/Web/StellaOps.Web/src/app/features/releases/release-flow.component.ts`)
+  - `releases-list-page` (`src/Web/StellaOps.Web/src/app/features/releases/releases-list-page.component.ts`)
+  - `remediation-hints` (`src/Web/StellaOps.Web/src/app/features/releases/remediation-hints.component.ts`)
+- **Source**: SPRINT_20260118_004_FE_releases_feature.md
+
+## E2E Test Plan
+- **Setup**:
+  - [ ] Log in with a user that has appropriate permissions
+  - [ ] Navigate to `/release-orchestrator`
+  - [ ] Ensure test data exists (scanned artifacts, SBOM data, or seed data as needed)
+- **Core verification**:
+  - [ ] Verify the list/table loads with paginated data
+  - [ ] Verify sorting and filtering controls work correctly
+  - [ ] Verify clicking a row navigates to the detail view
+- **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)