alternate buffer support (#12471)

packages/cli/src/config/settingsSchema.ts

@@ -491,6 +491,16 @@ const SETTINGS_SCHEMA = {
         description: 'Use the entire width of the terminal for output.',
         showInDialog: true,
       },
+      useAlternateBuffer: {
+        type: 'boolean',
+        label: 'Use Alternate Screen Buffer',
+        category: 'UI',
+        requiresRestart: true,
+        default: false,
+        description:
+          'Use an alternate screen buffer for the UI, preserving shell history.',
+        showInDialog: true,
+      },
       customWittyPhrases: {
         type: 'array',
         label: 'Custom Witty Phrases',