feat: expand test coverage and configure comprehensive alerting

- Add unit tests for all core services (identity, intake, finance, dataroom)
- Create integration test framework with shared setup utilities
- Add E2E test suite for complete user workflows
- Add test utilities package (server factory)
- Configure Prometheus alert rules (service health, infrastructure, database, Azure)
- Add alert rules ConfigMap for Kubernetes
- Update Prometheus deployment with alert rules
- Fix tsconfig.json to include test files
- Add tests/tsconfig.json for integration/E2E tests
- Fix server-factory.ts linting issues

tests/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist",
+    "rootDir": ".",
+    "types": ["vitest/globals", "node"]
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "dist"]
+}
+