feat: add tui ui kit

src/tui/components/assistant-message.ts

@@ -0,0 +1,19 @@
+import { Container, Markdown, Spacer } from "@mariozechner/pi-tui";
+import { markdownTheme, theme } from "../theme/theme.js";
+
+export class AssistantMessageComponent extends Container {
+  private body: Markdown;
+
+  constructor(text: string) {
+    super();
+    this.body = new Markdown(text, 1, 0, markdownTheme, {
+      color: (line) => theme.fg(line),
+    });
+    this.addChild(new Spacer(1));
+    this.addChild(this.body);
+  }
+
+  setText(text: string) {
+    this.body.setText(text);
+  }
+}