update code level

src/queue.rs

@@ -386,7 +386,7 @@ impl TaskQueue {
 
         false
     }
-    
+
     /// 启动定期清理过期任务
     pub async fn start_periodic_cleanup(self: Arc<Self>, interval_duration: Duration) {
         let queue = Arc::clone(&self);
@@ -790,24 +790,6 @@ impl AlbumImportWorker {
 pub struct TaskFactory;
 
 impl TaskFactory {
-    /// 创建缩略图生成任务
-    pub fn create_thumbnail_task(
-        image_id: Uuid,
-        original_data: Vec<u8>,
-        priority: TaskPriority,
-    ) -> Task {
-        Task {
-            id: Uuid::new_v4(),
-            task_type: TaskType::ThumbnailGeneration,
-            priority,
-            created_at: Instant::now(),
-            data: TaskData::ThumbnailGeneration {
-                image_id,
-                original_data,
-            },
-        }
-    }
-
     /// 创建相册导入任务
     pub fn create_album_import_task(album_path: String, album_data: Option<Vec<u8>>) -> Task {
         Task {