feat: 新增客户用电回路全链路功能

新增客户用电回路表及相关数据库迁移、后端服务、控制器、DTO、实体类和权限配置；新增前端API封装，同时调整路由名称以匹配新业务模块，复用现有菜单权限避免403错误。

client/src/views/dispatch/survey/form.vue

@@ -676,7 +676,7 @@ function clearError(key: string) {
 }
 
 function goLedger() {
-	router.push({ name: 'ProjectSurvey' });
+	router.push({ name: 'DispatchSurvey' });
 }
 
 function handleCustomerChange() {

client/src/views/dispatch/survey/index.vue

@@ -809,7 +809,7 @@ onMounted(() => {
 	fetchWorkerOptions();
 	const preCustomerId = Number(route.query.customerId || 0);
 	if (preCustomerId) {
-		router.replace({ name: 'ProjectSurveyCreate', query: { customerId: String(preCustomerId) } });
+		router.replace({ name: 'DispatchSurveyCreate', query: { customerId: String(preCustomerId) } });
 	}
 });
 
@@ -848,7 +848,7 @@ function handleExport() {
 }
 
 function handleAdd() {
-	router.push({ name: 'ProjectSurveyCreate' });
+	router.push({ name: 'DispatchSurveyCreate' });
 }
 
 // ==================== 行内操作 ====================
@@ -1136,7 +1136,7 @@ async function openDetail(record: SurveyOrderInfo) {
 }
 
 function goDetail(record: SurveyOrderInfo) {
-	router.push({ name: 'ProjectSurveyEdit', params: { id: record.id } });
+	router.push({ name: 'DispatchSurveyEdit', params: { id: record.id } });
 }
 
 // ==================== 展示辅助 ====================