Fix user delete flow 12

shared/database/base.py

@@ -7,6 +7,7 @@ from sqlalchemy import create_engine
 from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
 from sqlalchemy.orm import sessionmaker, declarative_base
 from sqlalchemy.pool import StaticPool
+from contextlib import asynccontextmanager
 import logging
 
 logger = logging.getLogger(__name__)
@@ -34,7 +35,7 @@ class DatabaseManager:
         )
     
     async def get_db(self):
-        """Get database session"""
+        """Get database session for request handlers"""
         async with self.async_session_local() as session:
             try:
                 yield session
@@ -45,6 +46,27 @@ class DatabaseManager:
             finally:
                 await session.close()
     
+    @asynccontextmanager
+    async def get_background_session(self):
+        """
+        ✅ NEW: Get database session for background tasks
+        
+        Usage:
+            async with database_manager.get_background_session() as session:
+                # Your background task code here
+                await session.commit()
+        """
+        async with self.async_session_local() as session:
+            try:
+                yield session
+                await session.commit()
+            except Exception as e:
+                await session.rollback()
+                logger.error(f"Background task database error: {e}")
+                raise
+            finally:
+                await session.close()
+    
     async def create_tables(self):
         """Create database tables"""
         async with self.async_engine.begin() as conn: