feat: Khởi tạo Prisma client, bổ sung các bài kiểm tra đơn vị và tích hợp, đồng thời điều chỉnh cấu hình dịch vụ.

.cursor/plans/iam_service_audit_plan_d8aad26f.plan.md

@@ -112,13 +112,13 @@ todos:
     status: completed
   - id: audit-test-3
     content: "Generate Test Coverage: cd services/iam-service && pnpm test:coverage - Verify coverage >= 70% (branches, functions, lines, statements)"
-    status: pending
+    status: completed
   - id: audit-docker-1
     content: "Build Docker Image: docker build -t iam-service:test -f services/iam-service/Dockerfile . - Verify multi-stage build succeeds"
-    status: pending
+    status: completed
   - id: audit-docker-2
     content: "Verify Docker Image: Check image size <500MB, non-root user configured, health check functional"
-    status: pending
+    status: completed
   - id: security-mfa-1
     content: "CRITICAL: Create Encryption Service - Create services/iam-service/src/core/security/encryption.service.ts with encrypt/decrypt functions using crypto module"
     status: pending