Add terminal setup command for Shift+Enter and Ctrl+Enter support (#3289)

Co-authored-by: jacob314 <jacob314@gmail.com>

packages/cli/src/gemini.tsx

@@ -41,6 +41,7 @@ import {
 import { validateAuthMethod } from './config/auth.js';
 import { setMaxSizedBoxDebugging } from './ui/components/shared/MaxSizedBox.js';
 import { validateNonInteractiveAuth } from './validateNonInterActiveAuth.js';
+import { detectAndEnableKittyProtocol } from './ui/utils/kittyProtocolDetector.js';
 import { checkForUpdates } from './ui/utils/updateCheck.js';
 import { handleAutoUpdate } from './utils/handleAutoUpdate.js';
 import { appEvents, AppEvent } from './utils/events.js';
@@ -263,6 +264,8 @@ export async function main() {
   // Render UI, passing necessary config values. Check that there is no command line question.
   if (config.isInteractive()) {
     const version = await getCliVersion();
+    // Detect and enable Kitty keyboard protocol once at startup
+    await detectAndEnableKittyProtocol();
     setWindowTitle(basename(workspaceRoot), settings);
     const instance = render(
       <React.StrictMode>