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/usagelog/usagelog.go

@@ -85,7 +85,7 @@ const (
 	UserColumn = "user_id"
 	// APIKeyTable is the table that holds the api_key relation/edge.
 	APIKeyTable = "usage_logs"
-	// APIKeyInverseTable is the table name for the APIKey entity.
+	// APIKeyInverseTable is the table name for the ApiKey entity.
 	// It exists in this package in order to avoid circular dependency with the "apikey" package.
 	APIKeyInverseTable = "api_keys"
 	// APIKeyColumn is the table column denoting the api_key relation/edge.

backend/ent/usagelog/where.go

@@ -1175,7 +1175,7 @@ func HasAPIKey() predicate.UsageLog {
 }
 
 // HasAPIKeyWith applies the HasEdge predicate on the "api_key" edge with a given conditions (other predicates).
-func HasAPIKeyWith(preds ...predicate.APIKey) predicate.UsageLog {
+func HasAPIKeyWith(preds ...predicate.ApiKey) predicate.UsageLog {
 	return predicate.UsageLog(func(s *sql.Selector) {
 		step := newAPIKeyStep()
 		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {