feat: add fullscreen TUI mode with Ink React components

src/frontends/tui/index.ts

@@ -5,3 +5,10 @@ export {
   type TuiCommand,
   type MinimalTuiConfig,
 } from './minimal.js';
+
+export {
+  startFullscreenTui,
+  type FullscreenTuiConfig,
+} from './fullscreen.js';
+
+export { App, StatusBar, MessageList, InputBar } from './components/index.js';