test memory_service.delete operations

src/basic_memory/repository/relation_repository.py

@@ -11,7 +11,13 @@ class RelationRepository(Repository[Relation]):
     
     def __init__(self, session):
         super().__init__(session, Relation)
-    
+
+    async def find_by_entity(self, from_entity_id: str) -> Sequence[Relation]:
+        """Find all relations from a specific entity."""
+        query = select(Relation).filter(Relation.from_id == from_entity_id)
+        result = await self.execute_query(query)
+        return result.scalars().all()
+
     async def find_by_entities(self, from_id: str, to_id: str) -> Sequence[Relation]:
         """Find all relations between two entities."""
         query = select(Relation).filter(