semi implemented and features implemented save checkpoint

docs/features/unchecked/web/web-gateway-vex-consensus-proxy.md

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+# Web Gateway VEX Consensus Proxy
+
+## Module
+Web
+
+## Status
+IMPLEMENTED
+
+## Description
+Gateway proxy for VEX consensus engine providing multi-source consensus queries, trust scoring, and quorum verification through the web API layer with tenant and ABAC enforcement.
+
+## Implementation Details
+- **Feature directory**: `src/Web/StellaOps.Web/src/app/core/api/`
+- **Services**:
+  - `gateway-metrics` (`src/Web/StellaOps.Web/src/app/core/api/gateway-metrics.service.ts`)
+  - `policy-interop` (`src/Web/StellaOps.Web/src/app/core/api/policy-interop.service.ts`)
+  - `reachability-integration` (`src/Web/StellaOps.Web/src/app/core/api/reachability-integration.service.ts`)
+  - `vuln-export-orchestrator` (`src/Web/StellaOps.Web/src/app/core/api/vuln-export-orchestrator.service.ts`)
+- **Models**:
+  - `src/Web/StellaOps.Web/src/app/core/api/advisories.models.ts`
+  - `src/Web/StellaOps.Web/src/app/core/api/advisory-ai.models.ts`
+  - `src/Web/StellaOps.Web/src/app/core/api/ai-runs.models.ts`
+  - `src/Web/StellaOps.Web/src/app/core/api/analytics.models.ts`
+  - `src/Web/StellaOps.Web/src/app/core/api/aoc.models.ts`
+- **Source**: SPRINT_0216_0001_0001_web_v.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)