style: 完善代码规范和测试覆盖

- 新增多个模块的单元测试文件，提升测试覆盖率
- 完善AI-Reading文档系统，包含7步代码检查流程
- 新增集成测试和属性测试框架
- 优化项目结构和配置文件
- 清理过时的规范文档，统一使用新的检查标准

test/integration/zulip_accounts_integration.spec.ts

@@ -0,0 +1,161 @@
+/**
+ * Zulip账号关联集成测试
+ * 
+ * 功能描述：
+ * - 测试数据库和内存模式的切换
+ * - 测试完整的业务流程
+ * - 验证模块配置的正确性
+ * 
+ * @author angjustinl
+ * @version 1.0.0
+ * @since 2025-01-07
+ */
+
+import { Test, TestingModule } from '@nestjs/testing';
+import { ConfigModule } from '@nestjs/config';
+import { ZulipAccountsModule } from '../../src/core/db/zulip_accounts/zulip_accounts.module';
+import { ZulipAccountsMemoryService } from '../../src/core/db/zulip_accounts/zulip_accounts_memory.service';
+import { CreateZulipAccountDto } from '../../src/core/db/zulip_accounts/zulip_accounts.dto';
+
+describe('ZulipAccountsModule Integration', () => {
+  let memoryModule: TestingModule;
+
+  beforeAll(async () => {
+    // 测试内存模式
+    memoryModule = await Test.createTestingModule({
+      imports: [
+        ConfigModule.forRoot({
+          envFilePath: ['.env.test', '.env'],
+          isGlobal: true,
+        }),
+        ZulipAccountsModule.forMemory()
+      ],
+    }).compile();
+  });
+
+  afterAll(async () => {
+    if (memoryModule) {
+      await memoryModule.close();
+    }
+  });
+
+  describe('Memory Mode', () => {
+    let service: ZulipAccountsMemoryService;
+
+    beforeEach(() => {
+      service = memoryModule.get<ZulipAccountsMemoryService>('ZulipAccountsService');
+    });
+
+    it('should be defined', () => {
+      expect(service).toBeDefined();
+      expect(service).toBeInstanceOf(ZulipAccountsMemoryService);
+    });
+
+    it('should create and retrieve account in memory', async () => {
+      const createDto: CreateZulipAccountDto = {
+        gameUserId: '77777',
+        zulipUserId: 88888,
+        zulipEmail: 'memory@example.com',
+        zulipFullName: '内存测试用户',
+        zulipApiKeyEncrypted: 'encrypted_api_key',
+        status: 'active',
+      };
+
+      // 创建账号关联
+      const created = await service.create(createDto);
+      expect(created).toBeDefined();
+      expect(created.gameUserId).toBe('77777');
+      expect(created.zulipEmail).toBe('memory@example.com');
+
+      // 根据游戏用户ID查找
+      const found = await service.findByGameUserId('77777');
+      expect(found).toBeDefined();
+      expect(found?.id).toBe(created.id);
+    });
+
+    it('should handle batch operations in memory', async () => {
+      // 创建多个账号
+      const accounts = [];
+      for (let i = 1; i <= 3; i++) {
+        const createDto: CreateZulipAccountDto = {
+          gameUserId: `${20000 + i}`,
+          zulipUserId: 30000 + i,
+          zulipEmail: `batch${i}@example.com`,
+          zulipFullName: `批量用户${i}`,
+          zulipApiKeyEncrypted: 'encrypted_api_key',
+          status: 'active',
+        };
+        const account = await service.create(createDto);
+        accounts.push(account);
+      }
+
+      // 批量更新状态
+      const ids = accounts.map(a => a.id);
+      const batchResult = await service.batchUpdateStatus(ids, 'inactive');
+      expect(batchResult.success).toBe(true);
+      expect(batchResult.updatedCount).toBe(3);
+
+      // 验证状态已更新
+      for (const account of accounts) {
+        const updated = await service.findById(account.id);
+        expect(updated.status).toBe('inactive');
+      }
+    });
+
+    it('should get statistics in memory', async () => {
+      // 创建不同状态的账号
+      const statuses: Array<'active' | 'inactive' | 'suspended' | 'error'> = ['active', 'inactive', 'suspended', 'error'];
+      
+      for (let i = 0; i < statuses.length; i++) {
+        const createDto: CreateZulipAccountDto = {
+          gameUserId: `${40000 + i}`,
+          zulipUserId: 50000 + i,
+          zulipEmail: `stats${i}@example.com`,
+          zulipFullName: `统计用户${i}`,
+          zulipApiKeyEncrypted: 'encrypted_api_key',
+          status: statuses[i],
+        };
+        await service.create(createDto);
+      }
+
+      // 获取统计信息
+      const stats = await service.getStatusStatistics();
+      expect(stats.active).toBeGreaterThanOrEqual(1);
+      expect(stats.inactive).toBeGreaterThanOrEqual(1);
+      expect(stats.suspended).toBeGreaterThanOrEqual(1);
+      expect(stats.error).toBeGreaterThanOrEqual(1);
+      expect(stats.total).toBeGreaterThanOrEqual(4);
+    });
+  });
+
+  describe('Cross-Mode Compatibility', () => {
+    it('should have same interface for both modes', () => {
+      const memoryService = memoryModule.get<ZulipAccountsMemoryService>('ZulipAccountsService');
+
+      // 检查内存服务有所需的方法
+      const methods = [
+        'create',
+        'findByGameUserId',
+        'findByZulipUserId',
+        'findByZulipEmail',
+        'findById',
+        'update',
+        'updateByGameUserId',
+        'delete',
+        'deleteByGameUserId',
+        'findMany',
+        'findAccountsNeedingVerification',
+        'findErrorAccounts',
+        'batchUpdateStatus',
+        'getStatusStatistics',
+        'verifyAccount',
+        'existsByEmail',
+        'existsByZulipUserId',
+      ];
+
+      methods.forEach(method => {
+        expect(typeof memoryService[method]).toBe('function');
+      });
+    });
+  });
+});