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/business/auth/auth.module.ts

@@ -16,11 +16,19 @@ import { Module } from '@nestjs/common';
 import { LoginController } from './controllers/login.controller';
 import { LoginService } from './services/login.service';
 import { LoginCoreModule } from '../../core/login_core/login_core.module';
+import { ZulipCoreModule } from '../../core/zulip/zulip-core.module';
+import { ZulipAccountsModule } from '../../core/db/zulip_accounts/zulip_accounts.module';
 
 @Module({
-  imports: [LoginCoreModule],
+  imports: [
+    LoginCoreModule,
+    ZulipCoreModule,
+    ZulipAccountsModule.forRoot(),
+  ],
   controllers: [LoginController],
-  providers: [LoginService],
+  providers: [
+    LoginService,
+  ],
   exports: [LoginService],
 })
 export class AuthModule {}