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.

backend/ent/user/where.go

@@ -722,7 +722,7 @@ func HasAPIKeys() predicate.User {
 }
 
 // HasAPIKeysWith applies the HasEdge predicate on the "api_keys" edge with a given conditions (other predicates).
-func HasAPIKeysWith(preds ...predicate.APIKey) predicate.User {
+func HasAPIKeysWith(preds ...predicate.ApiKey) predicate.User {
 	return predicate.User(func(s *sql.Selector) {
 		step := newAPIKeysStep()
 		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {