feat(ui): enable "TerminalBuffer" mode to solve flicker (#24512)

packages/cli/src/config/config.ts

@@ -1001,6 +1001,8 @@ export async function loadCliConfig(
     trustedFolder,
     useBackgroundColor: settings.ui?.useBackgroundColor,
     useAlternateBuffer: settings.ui?.useAlternateBuffer,
+    useTerminalBuffer: settings.ui?.terminalBuffer,
+    useRenderProcess: settings.ui?.renderProcess,
     useRipgrep: settings.tools?.useRipgrep,
     enableInteractiveShell: settings.tools?.shell?.enableInteractiveShell,
     shellBackgroundCompletionBehavior: settings.tools?.shell

packages/cli/src/config/settingsSchema.ts

@@ -743,6 +743,24 @@ const SETTINGS_SCHEMA = {
           'Use an alternate screen buffer for the UI, preserving shell history.',
         showInDialog: true,
       },
+      renderProcess: {
+        type: 'boolean',
+        label: 'Render Process',
+        category: 'UI',
+        requiresRestart: true,
+        default: true,
+        description: 'Enable Ink render process for the UI.',
+        showInDialog: true,
+      },
+      terminalBuffer: {
+        type: 'boolean',
+        label: 'Terminal Buffer',
+        category: 'UI',
+        requiresRestart: true,
+        default: true,
+        description: 'Use the new terminal buffer architecture for rendering.',
+        showInDialog: true,
+      },
       useBackgroundColor: {
         type: 'boolean',
         label: 'Use Background Color',