fix: 修复AI视频分类进度数据不一致问题

问题修复:
- 修复分类统计与队列进度数据不匹配的问题
- 添加项目特定的队列状态查询接口
- 确保AI视频分类进度显示当前项目的准确数据

 技术改进:
- 添加get_project_classification_queue_status命令
- 在VideoClassificationQueue中添加get_project_stats方法
- 前端组件现在使用项目特定的队列状态

 数据一致性:
- 队列统计现在基于项目过滤
- 分类统计和任务进度数据保持一致
- 避免了跨项目数据混淆的问题

apps/desktop/src-tauri/src/business/services/video_classification_queue.rs

@@ -173,6 +173,26 @@ impl VideoClassificationQueue {
         self.stats.read().await.clone()
     }
 
+    /// 获取项目的队列统计信息
+    pub async fn get_project_stats(&self, project_id: &str) -> Result<QueueStats> {
+        let status = self.status.read().await.clone();
+        let current_task = self.current_task.lock().await.clone();
+
+        // 获取项目特定的分类统计
+        let classification_stats = self.service.get_classification_stats(Some(project_id)).await?;
+
+        Ok(QueueStats {
+            status,
+            total_tasks: classification_stats.total_tasks as usize,
+            pending_tasks: classification_stats.pending_tasks as usize,
+            processing_tasks: classification_stats.processing_tasks as usize,
+            completed_tasks: classification_stats.completed_tasks as usize,
+            failed_tasks: classification_stats.failed_tasks as usize,
+            current_task_id: current_task,
+            processing_rate: self.stats.read().await.processing_rate, // 保持全局处理速率
+        })
+    }
+
     /// 获取任务进度
     pub async fn get_task_progress(&self, task_id: &str) -> Option<TaskProgress> {
         self.task_progress.read().await.get(task_id).cloned()

apps/desktop/src-tauri/src/lib.rs

@@ -107,6 +107,7 @@ pub fn run() {
             // AI视频分类命令
             commands::video_classification_commands::start_video_classification,
             commands::video_classification_commands::get_classification_queue_status,
+            commands::video_classification_commands::get_project_classification_queue_status,
             commands::video_classification_commands::get_classification_task_progress,
             commands::video_classification_commands::get_all_classification_task_progress,
             commands::video_classification_commands::get_project_classification_task_progress,

apps/desktop/src-tauri/src/presentation/commands/video_classification_commands.rs

@@ -70,6 +70,16 @@ pub async fn get_classification_queue_status(
     Ok(queue.get_stats().await)
 }
 
+/// 获取项目的分类队列状态
+#[command]
+pub async fn get_project_classification_queue_status(
+    project_id: String,
+    state: State<'_, AppState>,
+) -> Result<QueueStats, String> {
+    let queue = get_queue_instance(&state).await;
+    queue.get_project_stats(&project_id).await.map_err(|e| e.to_string())
+}
+
 /// 获取任务进度
 #[command]
 pub async fn get_classification_task_progress(