Add frontend procurement implementation

services/orders/app/repositories/procurement_repository.py

@@ -21,7 +21,8 @@ class ProcurementPlanRepository(BaseRepository):
     """Repository for procurement plan operations"""
     
     def __init__(self, db: AsyncSession):
-        super().__init__(db, ProcurementPlan)
+        super().__init__(ProcurementPlan)
+        self.db = db
         
     async def create_plan(self, plan_data: Dict[str, Any]) -> ProcurementPlan:
         """Create a new procurement plan"""
@@ -134,7 +135,8 @@ class ProcurementRequirementRepository(BaseRepository):
     """Repository for procurement requirement operations"""
     
     def __init__(self, db: AsyncSession):
-        super().__init__(db, ProcurementRequirement)
+        super().__init__(ProcurementRequirement)
+        self.db = db
         
     async def create_requirement(self, requirement_data: Dict[str, Any]) -> ProcurementRequirement:
         """Create a new procurement requirement"""