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

packages/test-utils/src/server-factory.ts

@@ -0,0 +1,44 @@
+/**
+ * Server Factory for Testing
+ * Creates Fastify server instances for testing
+ */
+
+import { FastifyInstance } from 'fastify';
+import Fastify from 'fastify';
+import { getEnv } from '@the-order/shared';
+
+export interface ServerFactoryOptions {
+  port?: number;
+  logger?: boolean;
+  [key: string]: unknown;
+}
+
+export async function createTestServer(
+  routes: (server: FastifyInstance) => Promise<void>,
+  options: ServerFactoryOptions = {}
+): Promise<FastifyInstance> {
+  const server = Fastify({
+    logger: options.logger ?? false,
+    requestIdLogLabel: 'requestId',
+    disableRequestLogging: !options.logger,
+  });
+
+  // Register routes
+  await routes(server);
+
+  // Health check
+  server.get('/health', () => {
+    return { status: 'ok' };
+  });
+
+  if (options.port) {
+    await server.listen({ port: options.port, host: '0.0.0.0' });
+  }
+
+  return server;
+}
+
+export function closeTestServer(server: FastifyInstance): Promise<void> {
+  return server.close();
+}
+