refactor: isolate pending transfer and config queries

app/db/models/systemconfig.py

@@ -4,7 +4,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import Mapped, Session, mapped_column
 
 from app.db.base import Base, get_id_column
-from app.db.decorators import db_query, async_db_query
+from app.db.decorators import legacy_async_db_query, legacy_db_query
 
 
 class SystemConfig(Base):
@@ -18,13 +18,15 @@ class SystemConfig(Base):
     value: Mapped[Optional[Any]] = mapped_column(JSON)
 
     @classmethod
-    @db_query
+    @legacy_db_query
     def get_by_key(cls, db: Session, key: str):
+        """按配置键查询系统配置，并保留旧插件无 Session 调用。"""
         return db.execute(select(cls).where(cls.key == key)).scalars().first()
 
     @classmethod
-    @async_db_query
+    @legacy_async_db_query
     async def async_get_by_key(cls, db: AsyncSession, key: str):
+        """异步按配置键查询系统配置，并保留旧插件无 Session 调用。"""
         result = await db.execute(select(cls).where(cls.key == key))
         return result.scalar_one_or_none()
 

app/db/models/transferpending.py

@@ -4,7 +4,7 @@ from sqlalchemy import Index, String, delete, select
 from sqlalchemy.orm import Mapped, Session, mapped_column
 
 from app.db.base import Base, execute_dml, get_id_column
-from app.db.decorators import db_query
+from app.db.decorators import legacy_db_query
 
 
 class TransferPending(Base):
@@ -73,7 +73,7 @@ class TransferPending(Base):
         )
 
     @classmethod
-    @db_query
+    @legacy_db_query
     def list_all(cls, db: Session, limit: Optional[int] = 5000) -> List["TransferPending"]:
         """
         列出全部待整理登记，供启动回放使用。

app/db/oper/transferpending.py

@@ -54,9 +54,12 @@ class TransferPendingOper(DbOper):
         :param limit: 单次回放上限
         :return: (存储, 源文件路径) 列表
         """
+        items = self._execute_sync_query(
+            lambda session: TransferPending.list_all(session, limit=limit)
+        )
         return [
             (item.storage, item.src_path)
-            for item in TransferPending.list_all(self._db, limit=limit) or []
+            for item in items or []
             if item and item.storage and item.src_path
         ]