Fix/interface home (#182)

* [fix]Fix the interface for statistics of recent activities and applications

* [changes]Modify the code based on the AI review
1.Use the boolean auxiliary methods provided by SQLAlchemy instead of using == True in the is_active filter.
2.The calculation of the "PROJECT_ROOT" has now been hardcoded with five levels of nested os.path.dirname calls.

* [fix]Fix the interface for statistics of recent activities and applications

* [changes]Modify the code based on the AI review
1.Use the boolean auxiliary methods provided by SQLAlchemy instead of using == True in the is_active filter.
2.The calculation of the "PROJECT_ROOT" has now been hardcoded with five levels of nested os.path.dirname calls.

api/app/services/workflow_service.py

@@ -761,7 +761,10 @@ class WorkflowService:
 
         # 4. 获取工作空间 ID（从 app 获取）
         from app.models import App
-        app = self.db.query(App).filter(App.id == app_id).first()
+        app = self.db.query(App).filter(
+            App.id == app_id,
+            App.is_active.is_(True)
+        ).first()
         if not app:
             raise BusinessException(
                 code=BizCode.NOT_FOUND,