feat: 支持视频模型首帧参数及顺序执行逻辑

添加 FirstFrame 字段到模型信息结构体，重构视频节点数据转换处理，支持从上游节点获取视频配置并区分输出字段。实现视频结果重新上传至 OSS，修正字段匹配逻辑为精确匹配，并基于 return_last_frame 参数优化顺序执行中的首帧与内容传递。

workflow/service/flow/lambda_node_imp.go

@@ -788,18 +788,41 @@ func VideoOptimizeNode(ctx context.Context, nodeInput *flowDto.NodeExecutionInpu
 }
 
 func DataConversionNode(ctx context.Context, nodeInput *flowDto.NodeExecutionInput, skillName string, form []map[string]any, userForm []map[string]any) ([]node.NodeFormField, error) {
-	if strings.Contains(nodeInput.Config.Name, "字幕") {
+	if strings.Contains(nodeInput.Config.Name, "字幕") || strings.Contains(nodeInput.Config.Name, "视频") {
 		jsonStr := ``
-		for _, field := range nodeInput.Config.OutputConfig {
-			jsonStr, _ = sjson.Set(jsonStr, field.Field, field.Value)
-		}
 		outputRes := make([]node.NodeFormField, 0)
-		outputRes = append(outputRes, node.NodeFormField{
-			Field: fmt.Sprintf("data_conversion"),
-			Value: gconv.Map(jsonStr),
-			Label: fmt.Sprintf("data_conversion"),
-			Type:  "string",
-		})
+		for _, field := range nodeInput.Config.OutputConfig {
+			if strings.Contains(nodeInput.Config.Name, "视频") {
+				for _, item := range nodeInput.Global.ExecutedNodes {
+					refNode, ok := nodeInput.Global.ConfigMap[item.NodeId]
+					if !ok {
+						continue
+					}
+					for _, v := range refNode.FormConfig {
+						if v.Field == field.Value {
+							jsonStr, _ = sjson.Set(jsonStr, field.Field, v.Value)
+						}
+					}
+				}
+			} else {
+				jsonStr, _ = sjson.Set(jsonStr, field.Field, field.Value)
+			}
+		}
+		if strings.Contains(nodeInput.Config.Name, "视频") {
+			outputRes = append(outputRes, node.NodeFormField{
+				Field: fmt.Sprintf("data_content"),
+				Value: gconv.Map(jsonStr),
+				Label: fmt.Sprintf("data_content"),
+				Type:  "string",
+			})
+		} else {
+			outputRes = append(outputRes, node.NodeFormField{
+				Field: fmt.Sprintf("data_conversion"),
+				Value: gconv.Map(jsonStr),
+				Label: fmt.Sprintf("data_conversion"),
+				Type:  "string",
+			})
+		}
 		return outputRes, nil
 	}
 
@@ -1035,7 +1058,7 @@ func GetNodeContextContent(execInput *flowDto.FlowExecutionInput, nodeEntity *en
 				// 取指定字段
 				for _, f := range source.Field {
 					for _, v := range refNode.FormConfig {
-						if strings.Contains(v.Label, f) {
+						if v.Label == f {
 							input = append(input, v)
 						}
 					}