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-record/src/main/resources/application-local.yml

@@ -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: Peanut2817*#
+        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: Peanut2817*#
+
+  # 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-record-local.log