feat: 完成Nacos配置优化和WebSocket集成

主要更新:
1. 统一所有微服务端口配置(19000-19008)
2. 为所有服务创建本地/测试/生产三套环境配置
3. 配置Nacos认证密码(本地:Peanut2817*#, 测试/生产:EmotionMuseum2025)
4. 优化网关路由配置,支持负载均衡和WebSocket
5. 新增emotion-websocket模块,支持实时聊天
6. 前端集成WebSocket,替代HTTP轮询
7. 添加配置验证和管理工具脚本

技术特性:
- 完整的环境隔离和服务发现
- WebSocket实时通信支持
- 负载均衡路由配置
- 跨域和安全配置
- 自动重连和心跳检测

backend/emotion-explore/target/classes/application-local.yml.bak

@@ -0,0 +1,55 @@
+# 本地开发环境配置
+
+spring:
+  cloud:
+    nacos:
+      discovery:
+        server-addr: localhost:8848
+        namespace: 
+        group: DEFAULT_GROUP
+        enabled: true
+        username: nacos
+        password: nacos
+        metadata:
+          version: 1.0.0
+          zone: local
+        register-enabled: true
+        ephemeral: true
+        cluster-name: DEFAULT
+        service: ${spring.application.name}
+        weight: 1
+        heart-beat-interval: 5000
+        heart-beat-timeout: 15000
+        ip-delete-timeout: 30000
+      config:
+        server-addr: localhost:8848
+        namespace: 
+        group: DEFAULT_GROUP
+        file-extension: yml
+        enabled: false
+        username: nacos
+        password: nacos
+
+  # 数据源配置
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://localhost:3306/emotion_museum?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&serverTimezone=GMT%2B8&allowPublicKeyRetrieval=true
+    username: root
+    password: 123456
+
+  # Redis配置
+  data:
+    redis:
+      host: localhost
+      port: 6379
+      password:
+      database: 0
+
+# 日志配置
+logging:
+  level:
+    com.emotionmuseum: debug
+    com.baomidou.mybatisplus: debug
+    com.alibaba.nacos: info
+  file:
+    name: logs/emotion-explore-local.log