feat: 重构全局搜索框为复合条件选择，支持按名称、俗名、规格进行精准查杂

inventory-backend/app/api/v1/inbound/buy.py

@@ -116,6 +116,7 @@ def get_list():
         limit = request.args.get('pageSize', 15, type=int)
         keyword = request.args.get('keyword', '')
         sku = request.args.get('sku', '')
+        search_field = request.args.get('searchField', 'all')
 
         # 新增筛选参数
         category = request.args.get('category', '')
@@ -138,7 +139,7 @@ def get_list():
         statuses_str = request.args.get('statuses', '')
         statuses = statuses_str.split(',') if statuses_str else []
 
-        result = BuyInboundService.get_list(page, limit, keyword, sku, statuses, category, material_type, company,
+        result = BuyInboundService.get_list(page, limit, keyword, sku, search_field, statuses, category, material_type, company,
                                             order_by, is_asc, advanced_filters)
         # 字段级脱敏
         user_permissions = get_current_user_permissions()