Add Mac client mode and simplify local proxy UI

src/server/index.js

@@ -596,11 +596,11 @@ function publicState() {
   const deviceProfiles = readDeviceProfiles();
   const { subscriptionUrl, ...rest } = state;
   return {
-    mode: "gateway",
+    mode: settings.appMode,
     port: settings.port,
     proxyPort: settings.proxyPort,
     proxyBindIp: settings.bindIp,
-    tproxyPort: settings.tproxyPort,
+    tproxyPort: settings.appMode === "gateway" ? settings.tproxyPort : null,
     routingRuDirect: settings.routingRuDirect,
     configExists: fs.existsSync(settings.configPath),
     singboxRunning: Boolean(singboxProcess),