feat(mock): mock 演进轮——应用列表/代理测试页 + 网关 mock 数据扩充

- views/app/AppList.vue（新）+ views/proxytest/ProxyTest.vue（新）：应用列表与代理测试演示页
- router/routes + apiDefinitions + App.vue/layout：新页路由与菜单接线
- assets/mock/gatewayApi.ts：mock 数据扩充（+136 行）
- RouteList：列表页联动增强
- vite.config：mock 相关配置调整
- theme.ts：sync 刷新至 20261006-2013-75c1d10 并补回本仓唯一允许适配（顶部 // @ts-nocheck，strict vue-tsc 契约）；typecheck 零错误

src/api/apiDefinitions.ts

@@ -11,6 +11,10 @@ export default {
     'GatewayAdmin.updateRoute': ['PUT', '/api/internal/admin/routes/{id}'],
     'GatewayAdmin.targets': ['GET', '/api/internal/admin/targets'],
     'GatewayAdmin.updateTarget': ['PUT', '/api/internal/admin/targets/{id}'],
+    'GatewayAdmin.apps': ['GET', '/api/internal/admin/apps'],
+    'GatewayAdmin.createApp': ['POST', '/api/internal/admin/apps'],
+    'GatewayAdmin.updateApp': ['PUT', '/api/internal/admin/apps/{id}'],
     'GatewayAdmin.logs': ['GET', '/api/internal/admin/logs'],
     'GatewayAdmin.refresh': ['POST', '/api/internal/routes/refresh'],
+    'GatewayAdmin.proxyTest': ['POST', '/api/internal/admin/proxy-test'],
 };