feat: 实现跨平台用户身份统一和配置管理优化

- 修改 BaseAdapter.findOrCreateUnifiedUser 方法支持手机号去重
- 实现相同手机号用户在不同平台自动绑定到统一账号
- 优化数据库连接配置支持环境变量
- 修改 N8N 模板系统支持 ConfigService 依赖注入
- 统一 N8N Webhook URL 配置管理

data-source.ts

@@ -2,15 +2,16 @@ import { DataSource } from 'typeorm';
 
 export const AppDataSource = new DataSource({
   type: 'mysql',
-  host: 'mysql-6bc9094abd49-public.rds.volces.com',
-  port: 53305,
-  username: 'root',
-  password: 'WsJWXfwFx0bq6DE2kmB6',
-  database: 'nano_camera_miniapp',
+  host: process.env.DB_HOST || 'mysql-6bc9094abd49-public.rds.volces.com',
+  port: parseInt(process.env.DB_PORT || '53305'),
+  username: process.env.DB_USERNAME || 'root',
+  password: process.env.DB_PASSWORD || 'WsJWXfwFx0bq6DE2kmB6',
+  database: process.env.DB_DATABASE || 'nano_camera_miniapp',
   entities: ['src/**/*.entity.ts'],
   migrations: ['src/migrations/*.ts'],
-  synchronize: false,
-  logging: process.env.NODE_ENV === 'development',
+  synchronize: process.env.DB_SYNCHRONIZE === 'true',
+  logging: process.env.DB_LOGGING === 'true' || process.env.NODE_ENV === 'development',
+  migrationsRun: process.env.DB_MIGRATIONS_RUN === 'true',
   charset: 'utf8mb4',
   timezone: '+08:00',
 });