feat: add logging for model details and enhance action assignment in relay tasks

relay/common/relay_utils.go

@@ -173,7 +173,6 @@ func ValidateMultipartDirect(c *gin.Context, info *RelayInfo) *dto.TaskError {
 	if hasInputReference {
 		action = constant.TaskActionGenerate
 	}
-	info.Action = action
 	if strings.HasPrefix(model, "sora-2") {
 
 		if size == "" {
@@ -199,6 +198,8 @@ func ValidateMultipartDirect(c *gin.Context, info *RelayInfo) *dto.TaskError {
 		}
 	}
 
+	info.Action = action
+
 	return nil
 }