feat(desktop): add tooltip provider and model management

server/plugins/build-in/antigravity-auth/oauth.ts

@@ -13,9 +13,6 @@ import {
   SCOPES,
 } from "./google_oauth.ts";
 
-export const CALLBACK_PORT = 51121;
-export const CALLBACK_PATH = "/oauth-callback";
-
 const AUTHORIZATION_LIFETIME_MS = 5 * 60 * 1000;
 
 type Session = { createdAtMs: number };
@@ -151,7 +148,6 @@ export const antigravityAuthorizationCodeOAuth: OAuth2AuthorizationCodeAddMethod
     "en-US": "Authorize Antigravity with your Google Account for Gemini and Claude models.",
     "zh-CN": "使用 Google 账号完成 Antigravity 授权，以使用 Gemini 与 Claude 模型。",
   },
-  callback: { port: CALLBACK_PORT, path: CALLBACK_PATH },
   begin,
   complete,
 };

server/plugins/build-in/antigravity-auth/oauth_test.ts

@@ -33,6 +33,10 @@ function context(requests: Array<{ url: string; body?: string }>): PluginContext
 }
 
 Deno.test("authorization URL uses Core-owned state, callback, and PKCE challenge", async () => {
+  assert(
+    antigravityAuthorizationCodeOAuth.callback?.port === undefined,
+    "Antigravity must let Core allocate an available loopback port",
+  );
   const result = await antigravityAuthorizationCodeOAuth.begin(
     {
       redirectUri: "http://127.0.0.1:51121/oauth-callback",

server/plugins/build-in/antigravity-auth/plugin.json

@@ -2,8 +2,8 @@
   "apiVersion": 1,
   "id": "dev.cursorbyok.plugins.antigravity-auth",
   "name": "Antigravity",
-  "version": "0.3.0",
-  "author": "Antigravity",
+  "version": "0.3.1",
+  "author": "@masudranaxpert",
   "minAppVersion": "0.1.0",
   "icon": "assets/antigravity.svg",
   "entry": "main.ts",