feat: Implement NotifyPanelComponent with unit tests and mock API service

- Added NotifyPanelComponent for managing notification channels and rules.
- Implemented reactive forms for channel and rule management.
- Created unit tests for NotifyPanelComponent to validate functionality.
- Developed MockNotifyApiService to simulate API interactions for testing.
- Added mock data for channels, rules, and deliveries to facilitate testing.
- Introduced RuntimeEventFactoryTests to ensure correct event creation with build ID.

ops/devops/README.md

@@ -39,3 +39,16 @@ As part of **DEVOPS-UI-13-006** the pipelines will execute the UI auth smoke
 tests (`npm run test:e2e`) after building the Angular bundle. See
 `docs/ops/ui-auth-smoke.md` for the job design, environment stubs, and
 offline runner considerations.
+
+## NuGet preview bootstrap
+
+`.NET 10` preview packages (Microsoft.Extensions.*, JwtBearer 10.0 RC, Sqlite 9 RC)
+ship from the public `dotnet-public` Azure DevOps feed. We mirror them into
+`./local-nuget` so restores succeed inside Offline Kit.
+
+1. Run `./ops/devops/sync-preview-nuget.sh` whenever you update the manifest.
+2. The script now understands the optional `SourceBase` column (V3 flat container)
+   and writes packages alongside their SHA-256 checks.
+3. `NuGet.config` registers the mirror (`local`), dotnet-public, and nuget.org.
+
+Detailed operator instructions live in `docs/ops/nuget-preview-bootstrap.md`.