feat(gateway): 新增智电改造网关台账功能（ICC消防物联设备同步） - 新建electric_gateway表（迁移20261024_icc_gateway.sql并同步db_seed：自增id、icc_imei/device_code双唯一、orgCode经customer.icc_code解析customer_id、equip_id可空、is_online/synced_at等）；同步服务IccGatewaySyncService复用OAuth2真实鉴权分页拉取消防物联设备（POST /device/subsystem/page）并按imei幂等upsert写icc_sync_log；新增GET /api/electric-gateways列表/详情与POST /sync手动同步（RBAC device:list）；注册icc_gateway_sync每10分钟定时任务（菜单62/role_menu/sys_job种子）；前端网关台账页（搜索/筛选/同步按钮/在线状态tag/分页）与路由；server补装undici依赖

Co-Authored-By: Claude Sonnet 4.6 noreply@anthropic.com

client/src/router/index.ts

@@ -193,6 +193,12 @@ const routes: RouteRecordRaw[] = [
 					component: () => import("@/views/device/line/index.vue"),
 					meta: { requiresAuth: true, title: "智电改造线路台账", permission: "device:list" }
 				},
+				{
+					path: "device/gateway",
+					name: "GatewayLedger",
+					component: () => import("@/views/device/gateway/index.vue"),
+					meta: { requiresAuth: true, title: "智电改造网关台账", permission: "device:list" }
+				},
 				{
 					path: "base",
 					name: "Base",