feat: move termix identity into a plugin (C6)

src/ui/plugin-host/app.ts

@@ -42,6 +42,8 @@ import {
 } from "./auth-registry";
 import { pluginHostBridge, resolvePluginPermission } from "./bridge";
 import { shell, tabsApi } from "./shell-bridge";
+import { onRemoteServerChange, remoteServerUrl } from "./desktop";
+import { isElectron } from "@/lib/electron";
 import { withPluginScope } from "./scope";
 import { manifestDeclares, type ViewKind } from "./view-ownership";
 import { pluginKey } from "@/lib/plugin-i18n";
@@ -407,6 +409,12 @@ export function createPluginApp(
       onReady: (listener) => track(tabsApi.onReady(listener)),
     },
 
+    desktop: {
+      available: isElectron(),
+      remoteServerUrl,
+      onRemoteServerChange: (listener) => track(onRemoteServerChange(listener)),
+    },
+
     onDispose(dispose) {
       if (disposed) {
         dispose();