refactor(wms): 合并库存表为统一inventory，重构业务逻辑

1. 合并inventory_batch与serial_number为统一inventory表，用manage_mode区分结构件批次/精密件SN
2. 移除冗余的material_type字段与相关逻辑
3. 重构库存查询、检验、入库出库等业务逻辑适配新表结构
4. 调整前端路由与菜单，拆分基础数据为区域维护和物料档案
5. 优化入库校验逻辑，避免空单问题
6. 调整Vite构建配置，关闭自动清空输出目录
7. 为各模块添加详细中文注释，统一业务术语
8. 生成并更新Ent自动代码文件

bj_power_wms/internal/handler/routes.go

@@ -58,6 +58,7 @@ func RegisterHandlers(server *rest.Server, ctx *svc.ServiceContext) {
 	server.AddRoutes(
 		[]rest.Route{
 			{Method: http.MethodGet, Path: "/api/stock/query", Handler: queryStockHandler(ctx)},
+			{Method: http.MethodGet, Path: "/api/stock/zone-summary", Handler: zoneSummaryHandler(ctx)},
 			{Method: http.MethodPost, Path: "/api/stock/lock", Handler: lockStockHandler(ctx)},
 			{Method: http.MethodPost, Path: "/api/stock/unlock", Handler: unlockStockHandler(ctx)},
 			{Method: http.MethodPost, Path: "/api/stock/deduct", Handler: deductStockHandler(ctx)},