refactor(model): 优化模型网关的数据解析和任务处理逻辑

service/gateway/gateway_http_service.go

@@ -148,10 +148,11 @@ func GetSkillUser(ctx context.Context, name string) (*SkillUserVO, error) {
 
 // SendCallbackReq 发送回调的请求体
 type SendCallbackReq struct {
-	TaskId     string `json:"taskId"`
-	Status     string `json:"status"`
-	EpicycleId int64  `json:"epicycleId"`
-	ErrorMsg   string `json:"errorMsg,omitempty"`
+	TaskId     string         `json:"taskId"`
+	Status     string         `json:"status"`
+	EpicycleId int64          `json:"epicycleId"`
+	Messages   map[string]any `json:"messages,omitempty"`
+	ErrorMsg   string         `json:"errorMsg,omitempty"`
 }
 
 // SendCallback 向业务方发送回调
@@ -165,6 +166,7 @@ func SendCallback(ctx context.Context, composeTask *entity.ComposeTask, epicycle
 		TaskId:     composeTask.TaskId,
 		Status:     composeTask.Status,
 		ErrorMsg:   composeTask.ErrorMessage,
+		Messages:   composeTask.ResultJson,
 		EpicycleId: epicycleId,
 	}
 	// 3. 发送 POST 请求