feat: 新增主动拉取与多类型回调功能

- 新增 ActivePull 实体、DAO、DTO 及 Service，支持主动拉取任务管理
- 新增 ComposeCallback、VideoCallback、HttpNodeCallback 多类型回调接口
- FlowExecution 增加 NodeGroupId 和 TotalTokens 字段，支持节点组追踪与 Token 统计
- ExecutedNodes 结构由字符串列表改为包含执行状态的节点对象列表
- 重构回调通知机制，统一 Notify 函数调用
- 优化输出项类型判断逻辑，新增文件类型标识

workflow/service/skill/skill_user_service.go

@@ -4,13 +4,13 @@ import (
 	skillDao "ai-agent/workflow/dao/skill"
 	skillDto "ai-agent/workflow/model/dto/skill"
 	"ai-agent/workflow/model/entity"
+	"ai-agent/workflow/service"
 	"context"
 	"fmt"
 	"path/filepath"
 	"strings"
 
 	"gitea.com/red-future/common/beans"
-	commonHttp "gitea.com/red-future/common/http"
 	"gitea.com/red-future/common/utils"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/util/gconv"
@@ -20,29 +20,12 @@ var SkillUserService = &skillUserService{}
 
 type skillUserService struct{}
 
-// IsAdmin 调用admin-go服务检查是否是管理员
-func IsAdmin(ctx context.Context) (res bool, err error) {
-	headers := make(map[string]string)
-	if r := g.RequestFromCtx(ctx); r != nil {
-		for k, v := range r.Request.Header {
-			if len(v) > 0 {
-				headers[k] = v[0]
-			}
-		}
-	}
-	var r = make(map[string]bool)
-	if err = commonHttp.Get(ctx, "admin-go/api/v1/system/user/checkIsSuperAdmin", headers, &r); err != nil {
-		return false, err
-	}
-	return r["isSuperAdmin"], err
-}
-
 func (s *skillUserService) Create(ctx context.Context, req *skillDto.CreateSkillUserReq) (res *skillDto.CreateSkillUserRes, err error) {
 	ext := strings.TrimPrefix(filepath.Ext(req.FileUrl), ".")
 	if ext != "zip" {
 		return nil, fmt.Errorf("文件格式不支持,请上传zip格式文件")
 	}
-	admin, err := IsAdmin(ctx)
+	admin, err := service.UtilService.IsAdmin(ctx)
 	if err != nil {
 		return
 	}
@@ -91,7 +74,7 @@ func (s *skillUserService) Update(ctx context.Context, req *skillDto.UpdateSkill
 	if ext != "zip" {
 		return fmt.Errorf("文件格式不支持,请上传zip格式文件")
 	}
-	admin, err := IsAdmin(ctx)
+	admin, err := service.UtilService.IsAdmin(ctx)
 	if err != nil {
 		return
 	}
@@ -138,7 +121,7 @@ func (s *skillUserService) Update(ctx context.Context, req *skillDto.UpdateSkill
 }
 
 func (s *skillUserService) Delete(ctx context.Context, req *skillDto.DeleteSkillUserReq) (err error) {
-	admin, err := IsAdmin(ctx)
+	admin, err := service.UtilService.IsAdmin(ctx)
 	if err != nil {
 		return
 	}
@@ -153,7 +136,7 @@ func (s *skillUserService) Delete(ctx context.Context, req *skillDto.DeleteSkill
 }
 
 func (s *skillUserService) Get(ctx context.Context, req *skillDto.GetSkillUserReq) (res *skillDto.SkillUserVO, err error) {
-	admin, err := IsAdmin(ctx)
+	admin, err := service.UtilService.IsAdmin(ctx)
 	if err != nil {
 		return
 	}
@@ -196,7 +179,7 @@ func (s *skillUserService) Get(ctx context.Context, req *skillDto.GetSkillUserRe
 }
 
 func (s *skillUserService) List(ctx context.Context, req *skillDto.ListSkillReq) (res *skillDto.ListSkillUserRes, err error) {
-	admin, err := IsAdmin(ctx)
+	admin, err := service.UtilService.IsAdmin(ctx)
 	if err != nil {
 		return
 	}
@@ -280,7 +263,7 @@ func (s *skillUserService) GetUserOrTemplate(ctx context.Context, req *skillDto.
 		return
 	}
 	req.Creator = user.UserName
-	var userList *entity.SkillUser
+	userList := new(entity.SkillUser)
 	userList, err = skillDao.SkillUserDao.Get(ctx, &skillDto.GetSkillUserReq{
 		Id:      req.Id,
 		Creator: user.UserName,