alternate buffer support (#12471)

packages/cli/src/config/keyBindings.ts

@@ -49,6 +49,7 @@ export enum Command {
   SHOW_FULL_TODOS = 'showFullTodos',
   TOGGLE_IDE_CONTEXT_DETAIL = 'toggleIDEContextDetail',
   TOGGLE_MARKDOWN = 'toggleMarkdown',
+  TOGGLE_COPY_MODE = 'toggleCopyMode',
   QUIT = 'quit',
   EXIT = 'exit',
   SHOW_MORE_LINES = 'showMoreLines',
@@ -160,6 +161,7 @@ export const defaultKeyBindings: KeyBindingConfig = {
   [Command.SHOW_FULL_TODOS]: [{ key: 't', ctrl: true }],
   [Command.TOGGLE_IDE_CONTEXT_DETAIL]: [{ key: 'g', ctrl: true }],
   [Command.TOGGLE_MARKDOWN]: [{ key: 'm', command: true }],
+  [Command.TOGGLE_COPY_MODE]: [{ key: 's', ctrl: true }],
   [Command.QUIT]: [{ key: 'c', ctrl: true }],
   [Command.EXIT]: [{ key: 'd', ctrl: true }],
   [Command.SHOW_MORE_LINES]: [{ key: 's', ctrl: true }],

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',