diff --git a/alembic/versions/015_add_generation_task_extensions.py b/alembic/versions/015_add_generation_task_extensions.py
index 4af932459..f36c816fa 100644
--- a/alembic/versions/015_add_generation_task_extensions.py
+++ b/alembic/versions/015_add_generation_task_extensions.py
@@ -18,7 +18,6 @@ depends_on = None
 
 
 def upgrade() -> None:
-    op.add_column("generation_tasks", sa.Column("edit_plan_id", sa.String(32), nullable=False, server_default=""))
     op.add_column("generation_tasks", sa.Column("template_id", sa.String(36), nullable=False, server_default=""))
     op.add_column("generation_tasks", sa.Column("asset_ids", mysql.JSON(), nullable=False, server_default="[]"))
     op.add_column("generation_tasks", sa.Column("title_ids", mysql.JSON(), nullable=False, server_default="[]"))
@@ -33,4 +32,3 @@ def downgrade() -> None:
     op.drop_column("generation_tasks", "title_ids")
     op.drop_column("generation_tasks", "asset_ids")
     op.drop_column("generation_tasks", "template_id")
-    op.drop_column("generation_tasks", "edit_plan_id")
diff --git a/apps/api/app/api/routes/generation_tasks.py b/apps/api/app/api/routes/generation_tasks.py
index db2210c31..b01a869eb 100644
--- a/apps/api/app/api/routes/generation_tasks.py
+++ b/apps/api/app/api/routes/generation_tasks.py
@@ -84,7 +84,7 @@ def _ensure_library_has_ready_video_assets(assets) -> None:
         )
 
 
-async def _resolve_project_and_library(
+def _resolve_project_and_library(
     request: CreateGenerationTaskRequest,
     project_repository: Any,
     asset_library_repository: Any,
@@ -104,7 +104,7 @@ async def _resolve_project_and_library(
     # 模板模式：project_id 未提供时，从 asset_ids 反查所属 project
     if not project_id and request.asset_ids:
         first_asset_id = request.asset_ids[0]
-        asset = await asset_repository.find_by_id(first_asset_id)
+        asset = asset_repository.find_by_id(first_asset_id)
         if asset is not None:
             project_id = asset.project_id
             if not asset_library_id:
@@ -122,7 +122,7 @@ async def _resolve_project_and_library(
 
 
 @router.post("/tasks", response_model=GenerationTaskResponse)
-async def create_generation_task(
+def create_generation_task(
     request: CreateGenerationTaskRequest,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
     generation_task_repository: Any = Depends(get_generation_task_repository),
@@ -130,7 +130,7 @@ async def create_generation_task(
     asset_library_repository: Any = Depends(get_asset_library_repository),
     asset_repository: Any = Depends(get_asset_repository),
 ) -> GenerationTaskResponse:
-    project_id, asset_library_id = await _resolve_project_and_library(
+    project_id, asset_library_id = _resolve_project_and_library(
         request, project_repository, asset_library_repository, asset_repository, authenticated_user
     )
 
@@ -140,7 +140,7 @@ async def create_generation_task(
         if library is None or (project_id and library.project_id != project_id):
             raise HTTPException(status_code=404, detail=f"AssetLibrary {asset_library_id} not found")
 
-        assets = await asset_repository.find_by_library(asset_library_id)
+        assets = asset_repository.find_by_library(asset_library_id)
         _ensure_library_has_ready_video_assets(assets)
 
     use_case = CreateGenerationTaskUseCase(generation_task_repository)
@@ -229,7 +229,6 @@ def retry_generation_task(
             asset_library_id=task.asset_library_id,
             strategy_id=task.strategy_id,
             voice_library_id=task.voice_library_id,
-            edit_plan_id=task.edit_plan_id,
             template_id=task.template_id,
             asset_ids=task.asset_ids,
             title_ids=task.title_ids,
diff --git a/apps/api/app/api/routes/task_center.py b/apps/api/app/api/routes/task_center.py
index e899c8500..62c97c960 100644
--- a/apps/api/app/api/routes/task_center.py
+++ b/apps/api/app/api/routes/task_center.py
@@ -146,7 +146,6 @@ def retry_task_by_id(
             asset_library_id=task.asset_library_id,
             strategy_id=task.strategy_id,
             voice_library_id=task.voice_library_id,
-            edit_plan_id=task.edit_plan_id,
             template_id=task.template_id,
             asset_ids=task.asset_ids,
             title_ids=task.title_ids,
@@ -229,7 +228,6 @@ def retry_project_task(
                 asset_library_id=task.asset_library_id,
                 strategy_id=task.strategy_id,
                 voice_library_id=task.voice_library_id,
-                edit_plan_id=task.edit_plan_id,
                 template_id=task.template_id,
                 asset_ids=task.asset_ids,
                 title_ids=task.title_ids,
diff --git a/packages/adapters/sqlalchemy_impl/asset_repository.py b/packages/adapters/sqlalchemy_impl/asset_repository.py
index 00dcf0860..b53cecf3b 100644
--- a/packages/adapters/sqlalchemy_impl/asset_repository.py
+++ b/packages/adapters/sqlalchemy_impl/asset_repository.py
@@ -11,7 +11,7 @@ class SQLAlchemyAssetRepository:
     def __init__(self, session: Session):
         self.session = session
 
-    async def find_by_library(
+    def find_by_library(
         self,
         library_id: str,
         skip: int = 0,
@@ -22,7 +22,7 @@ class SQLAlchemyAssetRepository:
         ).offset(skip).limit(limit).all()
         return [self._to_domain(model) for model in models]
 
-    async def find_by_project(
+    def find_by_project(
         self,
         project_id: str,
         skip: int = 0,
@@ -33,7 +33,7 @@ class SQLAlchemyAssetRepository:
         ).offset(skip).limit(limit).all()
         return [self._to_domain(model) for model in models]
 
-    async def find_by_id(self, asset_id: str) -> Asset | None:
+    def find_by_id(self, asset_id: str) -> Asset | None:
         model = self.session.query(AssetModel).filter(AssetModel.id == asset_id).first()
         if model is None:
             return None
@@ -42,7 +42,7 @@ class SQLAlchemyAssetRepository:
     def get(self, asset_id: str) -> Asset | None:
         return self.find_by_id(asset_id)
 
-    async def create(self, asset: Asset) -> Asset:
+    def create(self, asset: Asset) -> Asset:
         now = datetime.now(timezone.utc)
         model = AssetModel(
             id=asset.id,
@@ -70,7 +70,7 @@ class SQLAlchemyAssetRepository:
         self.session.commit()
         return asset
 
-    async def update(self, asset: Asset) -> Asset:
+    def update(self, asset: Asset) -> Asset:
         model = self.session.query(AssetModel).filter(AssetModel.id == asset.id).first()
         if model is None:
             raise ValueError(f"Asset {asset.id} not found")
@@ -92,7 +92,7 @@ class SQLAlchemyAssetRepository:
         self.session.commit()
         return asset
 
-    async def delete(self, asset_id: str) -> bool:
+    def delete(self, asset_id: str) -> bool:
         model = self.session.query(AssetModel).filter(AssetModel.id == asset_id).first()
         if model:
             self.session.delete(model)
@@ -100,7 +100,7 @@ class SQLAlchemyAssetRepository:
             return True
         return False
 
-    async def count_by_project(self, project_id: str) -> int:
+    def count_by_project(self, project_id: str) -> int:
         return self.session.query(AssetModel).filter(
             AssetModel.project_id == project_id
         ).count()
diff --git a/packages/adapters/sqlalchemy_impl/generation_task_repository.py b/packages/adapters/sqlalchemy_impl/generation_task_repository.py
index f7511e3a8..7cbdc0d61 100644
--- a/packages/adapters/sqlalchemy_impl/generation_task_repository.py
+++ b/packages/adapters/sqlalchemy_impl/generation_task_repository.py
@@ -12,7 +12,6 @@ def _to_domain(model: GenerationTaskModel) -> GenerationTask:
         strategy_id=model.strategy_id,
         asset_library_id=model.asset_library_id,
         voice_library_id=model.voice_library_id,
-        edit_plan_id=model.edit_plan_id,
         template_id=model.template_id,
         asset_ids=list(model.asset_ids or []),
         title_ids=list(model.title_ids or []),
@@ -39,7 +38,6 @@ class SQLAlchemyGenerationTaskRepository:
             strategy_id=task.strategy_id,
             asset_library_id=task.asset_library_id,
             voice_library_id=task.voice_library_id,
-            edit_plan_id=task.edit_plan_id,
             template_id=task.template_id,
             asset_ids=task.asset_ids,
             title_ids=task.title_ids,
@@ -106,7 +104,6 @@ class SQLAlchemyGenerationTaskRepository:
         model.asset_library_id = task.asset_library_id
         model.strategy_id = task.strategy_id
         model.voice_library_id = task.voice_library_id
-        model.edit_plan_id = task.edit_plan_id
         model.template_id = task.template_id
         model.asset_ids = task.asset_ids
         model.title_ids = task.title_ids
diff --git a/packages/adapters/sqlalchemy_impl/models.py b/packages/adapters/sqlalchemy_impl/models.py
index 280e23bc7..82ae038f8 100755
--- a/packages/adapters/sqlalchemy_impl/models.py
+++ b/packages/adapters/sqlalchemy_impl/models.py
@@ -143,7 +143,6 @@ class GenerationTaskModel(Base):
     strategy_id = Column(String(32), nullable=False, default="")
     asset_library_id = Column(String(32), nullable=False, default="", index=True)
     voice_library_id = Column(String(32), nullable=False, default="")
-    edit_plan_id = Column(String(32), nullable=False, default="")
     template_id = Column(String(36), nullable=False, default="", index=True)
     asset_ids = Column(JSON, nullable=False, default=list)
     title_ids = Column(JSON, nullable=False, default=list)
diff --git a/packages/application/generation_tasks.py b/packages/application/generation_tasks.py
index 09520da0a..9fb45482a 100644
--- a/packages/application/generation_tasks.py
+++ b/packages/application/generation_tasks.py
@@ -13,7 +13,6 @@ class CreateGenerationTaskCommand:
     asset_library_id: str = ""
     strategy_id: str = ""
     voice_library_id: str = ""
-    edit_plan_id: str = ""
     template_id: str = ""
     asset_ids: list[str] = field(default_factory=list)
     title_ids: list[str] = field(default_factory=list)
@@ -32,7 +31,6 @@ class CreateGenerationTaskUseCase:
             asset_library_id=command.asset_library_id,
             strategy_id=command.strategy_id,
             voice_library_id=command.voice_library_id,
-            edit_plan_id=command.edit_plan_id,
             template_id=command.template_id,
             asset_ids=command.asset_ids,
             title_ids=command.title_ids,
diff --git a/packages/domain/generation_task.py b/packages/domain/generation_task.py
index a08c75754..1809fbe79 100644
--- a/packages/domain/generation_task.py
+++ b/packages/domain/generation_task.py
@@ -21,7 +21,6 @@ class GenerationTask:
     asset_library_id: str
     strategy_id: str = ""
     voice_library_id: str = ""
-    edit_plan_id: str = ""
     template_id: str = ""
     asset_ids: list[str] = field(default_factory=list)
     title_ids: list[str] = field(default_factory=list)
@@ -43,7 +42,6 @@ class GenerationTask:
         *,
         strategy_id: str = "",
         voice_library_id: str = "",
-        edit_plan_id: str = "",
         template_id: str = "",
         asset_ids: list[str] | None = None,
         title_ids: list[str] | None = None,
@@ -60,7 +58,6 @@ class GenerationTask:
             asset_library_id=asset_library_id.strip(),
             strategy_id=strategy_id.strip(),
             voice_library_id=voice_library_id.strip(),
-            edit_plan_id=edit_plan_id.strip(),
             template_id=template_id.strip(),
             asset_ids=list(asset_ids) if asset_ids else [],
             title_ids=list(title_ids) if title_ids else [],
diff --git a/packages/ports/asset_repository.py b/packages/ports/asset_repository.py
index e2c0beeed..409dcb514 100644
--- a/packages/ports/asset_repository.py
+++ b/packages/ports/asset_repository.py
@@ -1,4 +1,4 @@
-"""兼容层：旧素材仓储接口定义，保留给遗留异步适配器使用。"""
+"""素材仓储接口定义。"""
 
 from abc import ABC, abstractmethod
 
@@ -7,15 +7,15 @@ from packages.domain import Asset
 
 class AssetRepository(ABC):
     @abstractmethod
-    async def create(self, asset: Asset) -> Asset:
+    def create(self, asset: Asset) -> Asset:
         pass
 
     @abstractmethod
-    async def find_by_id(self, asset_id: str) -> Asset | None:
+    def find_by_id(self, asset_id: str) -> Asset | None:
         pass
 
     @abstractmethod
-    async def find_by_project(
+    def find_by_project(
         self,
         project_id: str,
         skip: int = 0,
@@ -24,7 +24,7 @@ class AssetRepository(ABC):
         pass
 
     @abstractmethod
-    async def find_by_library(
+    def find_by_library(
         self,
         library_id: str,
         skip: int = 0,
@@ -33,15 +33,15 @@ class AssetRepository(ABC):
         pass
 
     @abstractmethod
-    async def update(self, asset: Asset) -> Asset:
+    def update(self, asset: Asset) -> Asset:
         pass
 
     @abstractmethod
-    async def delete(self, asset_id: str) -> bool:
+    def delete(self, asset_id: str) -> bool:
         pass
 
     @abstractmethod
-    async def count_by_project(self, project_id: str) -> int:
+    def count_by_project(self, project_id: str) -> int:
         pass
 
     @abstractmethod