🐞 fix: 增加错误之后对已解析段落的缓存功能,再次重试时不再重头开始

解析长视频时,当附件大小过大时不再调用后进行报错,而是将附件进行分批次发送

在每篇笔记开头默认增加地址来源链接,对模糊处可溯源

backend/app/routers/note.py

@@ -15,6 +15,7 @@ from app.enmus.exception import NoteErrorEnum
 from app.enmus.note_enums import DownloadQuality
 from app.exceptions.note import NoteError
 from app.services.note import NoteGenerator, logger
+from app.services.task_serial_executor import task_serial_executor
 from app.utils.response import ResponseWrapper as R
 from app.utils.url_parser import extract_video_id
 from app.validators.video_url_validator import is_supported_video_url
@@ -82,22 +83,26 @@ def run_note_task(task_id: str, video_url: str, platform: str, quality: Download
     if not model_name or not provider_id:
         raise HTTPException(status_code=400, detail="请选择模型和提供者")
 
-    note = NoteGenerator().generate(
-        video_url=video_url,
-        platform=platform,
-        quality=quality,
-        task_id=task_id,
-        model_name=model_name,
-        provider_id=provider_id,
-        link=link,
-        _format=_format,
-        style=style,
-        extras=extras,
-        screenshot=screenshot
-        , video_understanding=video_understanding,
-        video_interval=video_interval,
-        grid_size=grid_size
-    )
+    def _execute_note_task():
+        return NoteGenerator().generate(
+            video_url=video_url,
+            platform=platform,
+            quality=quality,
+            task_id=task_id,
+            model_name=model_name,
+            provider_id=provider_id,
+            link=link,
+            _format=_format,
+            style=style,
+            extras=extras,
+            screenshot=screenshot,
+            video_understanding=video_understanding,
+            video_interval=video_interval,
+            grid_size=grid_size,
+        )
+
+    logger.info(f"任务进入串行队列，等待执行 (task_id={task_id})")
+    note = task_serial_executor.run(_execute_note_task)
     logger.info(f"Note generated: {task_id}")
     if not note or not note.markdown:
         logger.warning(f"任务 {task_id} 执行失败，跳过保存")
@@ -144,13 +149,14 @@ def generate_note(data: VideoRequest, background_tasks: BackgroundTasks):
         if data.task_id:
             # 如果传了task_id，说明是重试！
             task_id = data.task_id
-            # 更新之前的状态
-            NoteGenerator()._update_status(task_id, TaskStatus.PENDING)
             logger.info(f"重试模式，复用已有 task_id={task_id}")
         else:
             # 正常新建任务
             task_id = str(uuid.uuid4())
 
+        # 统一先写入 PENDING，表示已进入队列等待串行执行
+        NoteGenerator()._update_status(task_id, TaskStatus.PENDING)
+
         background_tasks.add_task(run_note_task, task_id, data.video_url, data.platform, data.quality, data.link,
                                   data.screenshot, data.model_name, data.provider_id, data.format, data.style,
                                   data.extras, data.video_understanding, data.video_interval, data.grid_size)