Fix multiple bugs with auth flow including using the implemented but unused restart support. (#13565)

packages/core/src/utils/terminal.ts

@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { writeToStdout } from './stdio.js';
+
+export function enableMouseEvents() {
+  // Enable mouse tracking with SGR format
+  // ?1002h = button event tracking (clicks + drags + scroll wheel)
+  // ?1006h = SGR extended mouse mode (better coordinate handling)
+  writeToStdout('\u001b[?1002h\u001b[?1006h');
+}
+
+export function disableMouseEvents() {
+  // Disable mouse tracking with SGR format
+  writeToStdout('\u001b[?1006l\u001b[?1002l');
+}
+
+export function enableKittyKeyboardProtocol() {
+  writeToStdout('\x1b[>1u');
+}
+
+export function disableKittyKeyboardProtocol() {
+  writeToStdout('\x1b[<u');
+}
+
+export function enableLineWrapping() {
+  writeToStdout('\x1b[?7h');
+}
+
+export function disableLineWrapping() {
+  writeToStdout('\x1b[?7l');
+}
+
+export function enterAlternateScreen() {
+  writeToStdout('\x1b[?1049h');
+}
+
+export function exitAlternateScreen() {
+  writeToStdout('\x1b[?1049l');
+}
+
+export function shouldEnterAlternateScreen(
+  useAlternateBuffer: boolean,
+  isScreenReader: boolean,
+): boolean {
+  return useAlternateBuffer && !isScreenReader;
+}