feat: 新增可配置通知中心，支持扫描式/埋点式通知规则与手动群发

新增通知规则实体、扫描任务、API与管理界面，重构站内通知支持用户/电工双类型，移除硬编码的证照到期提醒，新增工单派单、电工审核结果等通知触发场景，调整菜单与数据库结构适配新通知体系。

client/src/router/index.ts

@@ -179,7 +179,7 @@ const routes: RouteRecordRaw[] = [
 				path: "dispatch/cost",
 				name: "DispatchCost",
 				component: () => import("@/views/dispatch/cost/index.vue"),
-				meta: { requiresAuth: true, title: "电工派单成本价", permission: "dispatch:cost" }
+				meta: { requiresAuth: true, title: "勘察费用", permission: "dispatch:cost" }
 			},
 			{
 				path: "dispatch/worker",
@@ -230,6 +230,12 @@ const routes: RouteRecordRaw[] = [
 				component: () => import("@/views/system/job/index.vue"),
 				meta: { requiresAuth: true, title: "定时任务", permission: "system:job" }
 			},
+			{
+				path: "system/notice",
+				name: "SystemNotice",
+				component: () => import("@/views/system/notice/index.vue"),
+				meta: { requiresAuth: true, title: "通知管理", permission: "notice:rule" }
+			},
 			{
 				path: "log/operation",
 				name: "OperationLog",