fix(api): 修正导出接口中用户ID参数获取逻辑

- 优先从请求参数中获取 current_user_id
- 若 current_user_id 为空则退回获取 userId
- 保证查询用户导出任务时使用正确的用户ID参数
- 提升接口的兼容性和灵活性

server/internal/api/exports.go

@@ -342,10 +342,14 @@ func (a *ExportsAPI) create(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 	}
-	// owner from query userId if provided
+	// owner from query current_user_id or userId if provided
 	owner := uint64(0)
-	if uidStr := r.URL.Query().Get("userId"); uidStr != "" {
-		first := strings.TrimSpace(strings.Split(uidStr, ",")[0])
+	ownStr := r.URL.Query().Get("current_user_id")
+	if ownStr == "" {
+		ownStr = r.URL.Query().Get("userId")
+	}
+	if ownStr != "" {
+		first := strings.TrimSpace(strings.Split(ownStr, ",")[0])
 		if n, err := strconv.ParseUint(first, 10, 64); err == nil {
 			owner = n
 		}
@@ -1455,7 +1459,10 @@ func (a *ExportsAPI) list(w http.ResponseWriter, r *http.Request) {
 	offset := (page - 1) * size
 	rrepo := repo.NewExportRepo()
 	var totalCount int64
-	uidStr := q.Get("userId")
+	uidStr := q.Get("current_user_id")
+	if uidStr == "" {
+		uidStr = q.Get("userId")
+	}
 	totalCount = rrepo.CountJobs(a.meta, tplID, uidStr)
 	itemsRaw, err := rrepo.ListJobs(a.meta, tplID, uidStr, size, offset)
 	if err != nil {