chore: 更新依赖、配置和代码生成

主要更新：
- 更新 go.mod/go.sum 依赖
- 重新生成 Ent ORM 代码
- 更新 Wire 依赖注入配置
- 添加 docker-compose.override.yml 到 .gitignore
- 更新 README 文档（Simple Mode 说明和已知问题）
- 清理调试日志
- 其他代码优化和格式修复

backend/ent/user/user.go

@@ -57,7 +57,7 @@ const (
 	Table = "users"
 	// APIKeysTable is the table that holds the api_keys relation/edge.
 	APIKeysTable = "api_keys"
-	// APIKeysInverseTable is the table name for the APIKey entity.
+	// APIKeysInverseTable is the table name for the ApiKey entity.
 	// It exists in this package in order to avoid circular dependency with the "apikey" package.
 	APIKeysInverseTable = "api_keys"
 	// APIKeysColumn is the table column denoting the api_keys relation/edge.