refactor：重构Zulip模块按业务功能模块化架构

- 将技术实现服务从business层迁移到core层
- 创建src/core/zulip/核心服务模块，包含API客户端、连接池等技术服务
- 保留src/business/zulip/业务逻辑，专注游戏相关的业务规则
- 通过依赖注入实现业务层与核心层的解耦
- 更新模块导入关系，确保架构分层清晰

重构后的架构符合单一职责原则，提高了代码的可维护性和可测试性

src/business/zulip/zulip.service.ts

@@ -22,14 +22,15 @@
  * @since 2025-12-25
  */
 
-import { Injectable, Logger } from '@nestjs/common';
+import { Injectable, Logger, Inject } from '@nestjs/common';
 import { randomUUID } from 'crypto';
-import { ZulipClientPoolService } from './services/zulip-client-pool.service';
-import { SessionManagerService } from './services/session-manager.service';
-import { MessageFilterService } from './services/message-filter.service';
-import { ZulipEventProcessorService } from './services/zulip-event-processor.service';
-import { ConfigManagerService } from './services/config-manager.service';
-import { ErrorHandlerService } from './services/error-handler.service';
+import { SessionManagerService } from './services/session_manager.service';
+import { MessageFilterService } from './services/message_filter.service';
+import { ZulipEventProcessorService } from './services/zulip_event_processor.service';
+import { 
+  IZulipClientPoolService,
+  IZulipConfigService,
+} from '../../core/zulip/interfaces/zulip-core.interfaces';
 
 /**
  * 玩家登录请求接口
@@ -79,18 +80,40 @@ export interface ChatMessageResponse {
   error?: string;
 }
 
+/**
+ * Zulip集成主服务类
+ * 
+ * 职责：
+ * - 作为Zulip集成系统的主要协调服务
+ * - 整合各个子服务，提供统一的业务接口
+ * - 处理游戏客户端与Zulip之间的核心业务逻辑
+ * - 管理玩家会话和消息路由
+ * 
+ * 主要方法：
+ * - handlePlayerLogin(): 处理玩家登录和Zulip客户端初始化
+ * - handlePlayerLogout(): 处理玩家登出和资源清理
+ * - sendChatMessage(): 处理游戏聊天消息发送到Zulip
+ * - updatePlayerPosition(): 更新玩家位置信息
+ * 
+ * 使用场景：
+ * - WebSocket网关调用处理消息路由
+ * - 会话管理和状态维护
+ * - 消息格式转换和过滤
+ * - 游戏与Zulip的双向通信桥梁
+ */
 @Injectable()
 export class ZulipService {
   private readonly logger = new Logger(ZulipService.name);
   private readonly DEFAULT_MAP = 'whale_port';
 
   constructor(
-    private readonly zulipClientPool: ZulipClientPoolService,
+    @Inject('ZULIP_CLIENT_POOL_SERVICE')
+    private readonly zulipClientPool: IZulipClientPoolService,
     private readonly sessionManager: SessionManagerService,
     private readonly messageFilter: MessageFilterService,
     private readonly eventProcessor: ZulipEventProcessorService,
-    private readonly configManager: ConfigManagerService,
-    private readonly errorHandler: ErrorHandlerService,
+    @Inject('ZULIP_CONFIG_SERVICE')
+    private readonly configManager: IZulipConfigService,
   ) {
     this.logger.log('ZulipService初始化完成');
   }