fix(accessibility) allow line wrapper in screen reader mode (#11317)

packages/cli/src/gemini.test.tsx

@@ -486,4 +486,47 @@ describe('startInteractiveUI', () => {
     await new Promise((resolve) => setTimeout(resolve, 0));
     expect(checkForUpdates).toHaveBeenCalledTimes(1);
   });
+
+  it.each([
+    {
+      screenReader: true,
+      expectedCalls: [],
+      name: 'should not disable line wrapping in screen reader mode',
+    },
+    {
+      screenReader: false,
+      expectedCalls: [['\x1b[?7l']],
+      name: 'should disable line wrapping when not in screen reader mode',
+    },
+  ])('$name', async ({ screenReader, expectedCalls }) => {
+    const writeSpy = vi
+      .spyOn(process.stdout, 'write')
+      .mockImplementation(() => true);
+    const mockConfigWithScreenReader = {
+      ...mockConfig,
+      getScreenReader: () => screenReader,
+    } as Config;
+
+    const mockInitializationResult = {
+      authError: null,
+      themeError: null,
+      shouldOpenAuthDialog: false,
+      geminiMdFileCount: 0,
+    };
+
+    await startInteractiveUI(
+      mockConfigWithScreenReader,
+      mockSettings,
+      mockStartupWarnings,
+      mockWorkspaceRoot,
+      mockInitializationResult,
+    );
+
+    if (expectedCalls.length > 0) {
+      expect(writeSpy).toHaveBeenCalledWith(expectedCalls[0][0]);
+    } else {
+      expect(writeSpy).not.toHaveBeenCalledWith('\x1b[?7l');
+    }
+    writeSpy.mockRestore();
+  });
 });

packages/cli/src/gemini.tsx

@@ -145,7 +145,7 @@ export async function startInteractiveUI(
   workspaceRoot: string = process.cwd(),
   initializationResult: InitializationResult,
 ) {
-  // Disable line wrapping.
+  // When not in screen reader mode, disable line wrapping.
   // We rely on Ink to manage all line wrapping by forcing all content to be
   // narrower than the terminal width so there is no need for the terminal to
   // also attempt line wrapping.
@@ -154,12 +154,14 @@ export async function startInteractiveUI(
   // such as Ghostty. Some terminals such as Iterm2 only respect line wrapping
   // when using the alternate buffer, which Gemini CLI does not use because we
   // do not yet have support for scrolling in that mode.
-  process.stdout.write('\x1b[?7l');
+  if (!config.getScreenReader()) {
+    process.stdout.write('\x1b[?7l');
 
-  registerCleanup(() => {
+    registerCleanup(() => {
-    // Re-enable line wrapping on exit.
+      // Re-enable line wrapping on exit.
-    process.stdout.write('\x1b[?7h');
+      process.stdout.write('\x1b[?7h');
-  });
+    });
+  }
 
   const version = await getCliVersion();
   setWindowTitle(basename(workspaceRoot), settings);