修改半成品和成品新增时候搜索下拉框显示问题，新增负责人和生产人历史记录功能

inventory-backend/app/services/inbound/product_service.py

@@ -399,17 +399,19 @@ class ProductInboundService:
             return {"categories": [], "types": [], "companies": []}
 
     # ============================================================
-    # 8. 获取历史负责人建议 (新增)
+    # 8. 获取历史负责人建议 (修改为全局查询)
     # ============================================================
     @staticmethod
-    def get_history_managers(base_id):
+    def get_history_managers(keyword=None):
         from app.models.inbound.product import StockProduct
         try:
-            records = db.session.query(StockProduct.production_manager).filter(
-                StockProduct.base_id == base_id,
+            query = db.session.query(StockProduct.production_manager).filter(
                 StockProduct.production_manager.isnot(None),
                 StockProduct.production_manager != ''
-            ).distinct().all()
+            )
+            if keyword:
+                query = query.filter(StockProduct.production_manager.ilike(f'%{keyword}%'))
+            records = query.distinct().all()
             return [r[0] for r in records if r[0]]
         except Exception:
             traceback.print_exc()