feat: 完成区域管理、装箱功能优化与接口标准化

- 新增区域状态字段与增删改查接口，支持区域启用/停用
- 重构实体字段JSON标签为camelCase格式统一接口规范
- 优化入库、盘点、装箱流程的交互与提示文案
- 新增装箱管理功能，支持合同号关联与装箱编辑
- 调整前端菜单与帮助文档适配业务场景变更

bj_power_wms/internal/handler/routes.go

@@ -78,7 +78,9 @@ func RegisterHandlers(server *rest.Server, ctx *svc.ServiceContext) {
 	server.AddRoutes(
 		[]rest.Route{
 			{Method: http.MethodPost, Path: "/api/zone/create", Handler: createZoneHandler(ctx)},
+			{Method: http.MethodPost, Path: "/api/zone/update", Handler: updateZoneHandler(ctx)},
 			{Method: http.MethodGet, Path: "/api/zone/list", Handler: listZonesHandler(ctx)},
+			{Method: http.MethodGet, Path: "/api/zone/picker", Handler: listZonesForPicker(ctx)},
 		},
 	)
 
@@ -105,6 +107,7 @@ func RegisterHandlers(server *rest.Server, ctx *svc.ServiceContext) {
 	server.AddRoutes(
 		[]rest.Route{
 			{Method: http.MethodPost, Path: "/api/package/bind", Handler: packageBindHandler(ctx)},
+			{Method: http.MethodPost, Path: "/api/package/update", Handler: packageUpdateHandler(ctx)},
 			{Method: http.MethodGet, Path: "/api/package/query", Handler: queryPackageHandler(ctx)},
 		},
 	)