refactor(db): 修复异步连接池无界增长，并完成 SQLAlchemy 2.0 迁移与分层归位 (#6320)

app/schemas/transfer.py

@@ -1,5 +1,5 @@
 from pathlib import Path
-from typing import Any, Callable, List, Optional, Union
+from typing import List, Optional, Union
 
 from pydantic import BaseModel, Field
 
@@ -79,43 +79,10 @@ class DownloadingTorrent(DownloaderTorrent):
     """
 
 
-class TransferTask(OptionalMediaIdentityMixin, BaseModel):
-    """
-    文件整理任务
-    """
-    fileitem: FileItem
-    meta: Optional[Any] = None
-    mediainfo: Optional[Any] = None
-    media_source: Optional[MediaSource] = None
-    media_id: Optional[str] = None
-    mtype: Optional[MediaType] = None
-    target_directory: Optional[TransferDirectoryConf] = None
-    target_storage: Optional[str] = None
-    target_path: Optional[Path] = None
-    transfer_type: Optional[str] = None
-    scrape: Optional[bool] = False
-    library_type_folder: Optional[bool] = False
-    library_category_folder: Optional[bool] = False
-    episodes_info: Optional[List[TmdbEpisode]] = None
-    username: Optional[str] = None
-    downloader: Optional[str] = None
-    download_hash: Optional[str] = None
-    download_history: Optional[DownloadHistory] = None
-    transfer_batch_id: Optional[str] = None
-    manual: Optional[bool] = False
-    background: Optional[bool] = True
-    preview: Optional[bool] = False
-
-    def to_dict(self):
-        """
-        返回字典
-        """
-        dicts = vars(self).copy()
-        dicts["fileitem"] = self.fileitem.model_dump() if self.fileitem else None
-        dicts["meta"] = self.meta.model_dump() if self.meta else None
-        dicts["mediainfo"] = self.mediainfo.model_dump() if self.mediainfo else None
-        dicts["target_directory"] = self.target_directory.model_dump() if self.target_directory else None
-        return dicts
+# TransferTask 已迁至 app/application/transfer.py：它是整理链的进程内工作项，装的是
+# 领域对象而非 DTO，留在这里只能把两个字段标成 Any——app.schemas 命名领域类型会让
+# app.schemas -> app.schemas.transfer -> app.domain.* -> app.schemas.types -> app.schemas
+# 闭环。下面的 TransferJob / TransferJobTask 才是它面向前端的投影，用本包的同名 DTO。
 
 
 class TransferJobTask(BaseModel):
@@ -182,18 +149,6 @@ class TransferInfo(BaseModel):
         return dicts
 
 
-class TransferQueue(BaseModel):
-    """
-    异步整理队列信息
-    """
-    # 任务信息
-    task: Optional[TransferTask] = None
-    # 回调函数
-    callback: Optional[Callable] = None
-    # 整理结果
-    result: Optional[TransferInfo] = None
-
-
 class EpisodeFormat(BaseModel):
     """
     剧集自定义识别格式