重构项目结构：迁移到单体架构并优化代码组织

- 删除分布式架构相关文件和配置
- 将backend-distributed重命名为backend保留分布式代码作为参考
- 优化backend-single单体架构实现
- 添加Coze API集成相关文档和测试
- 清理项目根目录的部署脚本和配置文件
- 更新WebSocket和消息服务实现
- 完善认证服务和密码加密功能

backend/emotion-websocket/src/main/resources/application.yml

@@ -0,0 +1,88 @@
+server:
+  port: 19007
+
+spring:
+  application:
+    name: emotion-websocket
+  profiles:
+    active: ${SPRING_PROFILES_ACTIVE:local}
+  
+  # 数据源配置
+  datasource:
+    type: com.alibaba.druid.pool.DruidDataSource
+    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: EmotionMuseum2025*#
+    druid:
+      initial-size: 5
+      min-idle: 5
+      max-active: 20
+      max-wait: 60000
+      time-between-eviction-runs-millis: 60000
+      min-evictable-idle-time-millis: 300000
+      validation-query: SELECT 1 FROM DUAL
+      test-while-idle: true
+      test-on-borrow: false
+      test-on-return: false
+      pool-prepared-statements: true
+      max-pool-prepared-statement-per-connection-size: 20
+      filters: stat,wall,slf4j
+      connection-properties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
+
+  # Redis配置
+  redis:
+    host: localhost
+    port: 6379
+    password: 
+    database: 0
+    timeout: 5000ms
+    lettuce:
+      pool:
+        max-active: 20
+        max-idle: 10
+        min-idle: 0
+        max-wait: -1ms
+
+# MyBatis Plus配置
+mybatis-plus:
+  configuration:
+    map-underscore-to-camel-case: true
+    cache-enabled: false
+    call-setters-on-nulls: true
+    jdbc-type-for-null: 'null'
+  global-config:
+    db-config:
+      id-type: ASSIGN_ID
+      logic-delete-field: is_deleted
+      logic-delete-value: 1
+      logic-not-delete-value: 0
+  mapper-locations: classpath*:mapper/**/*Mapper.xml
+
+# 日志配置
+logging:
+  file:
+    path: /data/logs/emotion-museum/websocket
+  level:
+    com.emotionmuseum.websocket: DEBUG
+    org.springframework.web.socket: DEBUG
+    org.springframework.messaging: DEBUG
+  pattern:
+    console: "%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{50} - %msg%n"
+    file: "%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{50} - %msg%n"
+  file:
+    name: logs/emotion-websocket.log
+
+# 监控配置
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,info,metrics,prometheus
+  endpoint:
+    health:
+      show-details: always
+  metrics:
+    export:
+      prometheus:
+        enabled: true