feat(scrap): integrate repair items into physical scrap scanning flow and lock manual status

inventory-backend/app/api/v1/scrap.py

@@ -4,7 +4,7 @@ from flask_jwt_extended import jwt_required, get_jwt_identity, get_jwt
 from app.utils.decorators import permission_required, audit_log
 from app.services.auth_service import AuthService
 from app.extensions import db
-from app.models.transaction import TransScrap
+from app.models.transaction import TransScrap, TransRepair
 from app.models.inbound.buy import StockBuy
 from app.models.inbound.semi import StockSemi
 from app.models.inbound.product import StockProduct
@@ -172,6 +172,28 @@ class ScrapService:
             res['price'] = get_price(buy, 'stock_buy')
             return res
 
+        # 4. 查询维修单 (TransRepair)
+        repair = TransRepair.query.filter(
+            db.or_(TransRepair.sku == clean_code, TransRepair.serial_number == clean_code)
+        ).filter(
+            TransRepair.repair_status.notin_(['已出库', '报废转出'])
+        ).first()
+        if repair:
+            return {
+                'id': repair.id,
+                'sku': repair.sku,
+                'barcode': repair.sku,
+                'name': repair.material_name or '维修件',
+                'spec': '',
+                'category': '',
+                'material_type': '',
+                'warehouse_loc': repair.customer_location or '',
+                'stock_quantity': 1,
+                'available_quantity': 1,
+                'source_table': 'trans_repair',
+                'price': float(repair.sale_price) if repair.sale_price else 0
+            }
+
         return None
 
     @staticmethod
@@ -210,6 +232,31 @@ class ScrapService:
             if not stock_id or not source_table or scrap_qty <= 0:
                 continue
 
+            # 处理维修单报废
+            if source_table == 'trans_repair':
+                repair = TransRepair.query.get(stock_id)
+                if not repair:
+                    raise ValueError(f'维修单不存在: ID={stock_id}')
+                
+                # 更新维修单状态为报废转出
+                repair.repair_status = '报废转出'
+                
+                # 创建报废记录
+                scrap_record = TransScrap(
+                    sku=repair.sku,
+                    source_table='trans_repair',
+                    stock_id=stock_id,
+                    quantity=1,
+                    reason=reason,
+                    operator_name=operator_name,
+                    approval_status='approved',
+                    cost_at_scrap=float(repair.cost_price) if repair.cost_price else 0,
+                    total_loss=float(repair.cost_price) if repair.cost_price else 0
+                )
+                db.session.add(scrap_record)
+                created_records.append(scrap_record)
+                continue
+
             # 获取库存记录
             stock_record = None
             if source_table == 'stock_product':