feat: 完成sys模块迁移，对齐PHP/Java框架

- 重构sys模块架构，严格按admin/api/core分层
- 对齐所有sys实体与数据库表结构
- 实现完整的adminapi控制器，匹配PHP/Java契约
- 修复依赖注入问题，确保服务正确注册
- 添加自动迁移工具和契约验证
- 完善多租户支持和审计功能
- 统一命名规范，与PHP业务逻辑保持一致

wwjcloud/test/health.e2e-spec.ts

@@ -0,0 +1,70 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { INestApplication } from '@nestjs/common';
+import request from 'supertest';
+import { HealthzController } from '../src/core/health/healthzController';
+import { HealthService } from '../src/core/health/healthService';
+
+// 使用最小化测试应用，避免引入 AppModule 的外部依赖（DB/Redis/Kafka 等）
+describe('Health Endpoints (e2e)', () => {
+  let app: INestApplication;
+
+  beforeAll(async () => {
+    const moduleFixture: TestingModule = await Test.createTestingModule({
+      controllers: [HealthzController],
+      providers: [
+        {
+          provide: HealthService,
+          useValue: {
+            // 模拟健康检查，保证端点可用
+            check: jest.fn(async () => ({ status: 'ok' })),
+            detailedCheck: jest.fn(async () => [
+              { name: 'database', status: 'up' },
+              { name: 'queue', status: 'up' },
+              { name: 'eventBus', status: 'up' },
+              { name: 'cache', status: 'up' },
+            ]),
+            checkDatabase: jest.fn(async () => ({ status: 'up' })),
+          },
+        },
+      ],
+    }).compile();
+
+    app = moduleFixture.createNestApplication();
+    await app.init();
+  });
+
+  afterAll(async () => {
+    if (app) await app.close();
+  });
+
+  it('GET /healthz should be public and return 200 or 503 with JSON body', async () => {
+    const res = await request(app.getHttpServer()).get('/healthz');
+    expect([200, 503]).toContain(res.status);
+    expect(res.headers['content-type']).toMatch(/json/);
+    expect(res.body).toHaveProperty('status');
+  });
+
+  it('GET /readyz should be public and return 200 or 503 with JSON body', async () => {
+    const res = await request(app.getHttpServer()).get('/readyz');
+    expect([200, 503]).toContain(res.status);
+    expect(res.headers['content-type']).toMatch(/json/);
+    expect(res.body).toHaveProperty('status');
+  });
+
+  it('GET /health/livez alias should respond', async () => {
+    const res = await request(app.getHttpServer()).get('/health/livez');
+    expect([200, 503]).toContain(res.status);
+  });
+
+  it('GET /health/readyz alias should respond', async () => {
+    const res = await request(app.getHttpServer()).get('/health/readyz');
+    expect([200, 503]).toContain(res.status);
+  });
+
+  it('GET /startupz should be public and return 200 or 503 with JSON body', async () => {
+    const res = await request(app.getHttpServer()).get('/startupz');
+    expect([200, 503]).toContain(res.status);
+    expect(res.headers['content-type']).toMatch(/json/);
+    expect(res.body).toHaveProperty('status');
+  });
+});