feat(zulip): Add Zulip account management and integrate with auth system

- Add ZulipAccountsEntity, repository, and module for persistent Zulip account storage
- Create ZulipAccountService in core layer for managing Zulip account lifecycle
- Integrate Zulip account creation into login flow via LoginService
- Add comprehensive test suite for Zulip account creation during user registration
- Create quick test script for validating registered user Zulip integration
- Update UsersEntity to support Zulip account associations
- Update auth module to include Zulip and ZulipAccounts dependencies
- Fix WebSocket connection protocol from ws:// to wss:// in API documentation
- Enhance LoginCoreService to coordinate Zulip account provisioning during authentication

src/core/db/users/users.entity.ts

@@ -19,8 +19,9 @@
  * @since 2025-12-17
  */
 
-import { Entity, Column, PrimaryGeneratedColumn, CreateDateColumn, UpdateDateColumn } from 'typeorm';
+import { Entity, Column, PrimaryGeneratedColumn, CreateDateColumn, UpdateDateColumn, OneToOne } from 'typeorm';
 import { UserStatus } from '../../../business/user-mgmt/enums/user-status.enum';
+import { ZulipAccounts } from '../zulip_accounts/zulip_accounts.entity';
 
 /**
  * 用户实体类
@@ -432,4 +433,25 @@ export class Users {
     comment: '更新时间'
   })
   updated_at: Date;
+
+  /**
+   * 关联的Zulip账号
+   * 
+   * 关系设计：
+   * - 类型：一对一关系（OneToOne）
+   * - 外键：在ZulipAccounts表中
+   * - 级联：不设置级联删除，保证数据安全
+   * 
+   * 业务规则：
+   * - 每个游戏用户最多关联一个Zulip账号
+   * - 支持延迟加载，提高查询性能
+   * - 可选关联，不是所有用户都有Zulip账号
+   * 
+   * 使用场景：
+   * - 游戏内聊天功能集成
+   * - 跨平台消息同步
+   * - 用户身份验证和权限管理
+   */
+  @OneToOne(() => ZulipAccounts, zulipAccount => zulipAccount.gameUser)
+  zulipAccount?: ZulipAccounts;
 }