feat: add PolicyPackSelectorComponent with tests and integration

- Implemented PolicyPackSelectorComponent for selecting policy packs.
- Added unit tests for component behavior, including API success and error handling.
- Introduced monaco-workers type declarations for editor workers.
- Created acceptance tests for guardrails with stubs for AT1–AT10.
- Established SCA Failure Catalogue Fixtures for regression testing.
- Developed plugin determinism harness with stubs for PL1–PL10.
- Added scripts for evidence upload and verification processes.

.gitea/workflows/build-test-deploy.yml

@@ -111,6 +111,10 @@ jobs:
       - name: Validate telemetry storage configuration
         run: python3 ops/devops/telemetry/validate_storage_stack.py
 
+      - name: Task Pack offline bundle fixtures
+        run: |
+          python3 scripts/packs/run-fixtures-check.sh
+
       - name: Telemetry tenant isolation smoke
         env:
           COMPOSE_DIR: ${GITHUB_WORKSPACE}/deploy/compose
@@ -203,6 +207,14 @@ jobs:
               --results-directory "$TEST_RESULTS_DIR"
           done
 
+      - name: Run TimelineIndexer tests (EB1 evidence linkage gate)
+        run: |
+          mkdir -p "$TEST_RESULTS_DIR"
+          dotnet test src/TimelineIndexer/StellaOps.TimelineIndexer/StellaOps.TimelineIndexer.sln \
+            --configuration $BUILD_CONFIGURATION \
+            --logger "trx;LogFileName=timelineindexer-tests.trx" \
+            --results-directory "$TEST_RESULTS_DIR"
+
       - name: Lint policy DSL samples
         run: dotnet run --project tools/PolicyDslValidator/PolicyDslValidator.csproj -- --strict docs/examples/policies/*.yaml