demo: Restructure storytelling-chatbot directory, update README steps, link to vercel demo

examples/storytelling-chatbot/client/components/UserInputIndicator/index.tsx

@@ -0,0 +1,67 @@
+import React, { useState, useEffect, useRef } from "react";
+
+import { useAppMessage } from "@daily-co/daily-react";
+import { DailyEventObjectAppMessage } from "@daily-co/daily-js";
+import styles from "./UserInputIndicator.module.css";
+import { IconMicrophone } from "@tabler/icons-react";
+import { TypewriterEffect } from "../ui/typewriter";
+import AudioIndicator from "../AudioIndicator";
+
+interface Props {
+  active: boolean;
+}
+
+export default function UserInputIndicator({ active }: Props) {
+  const [transcription, setTranscription] = useState<string[]>([]);
+  const timeoutRef = useRef<NodeJS.Timeout>();
+
+  const resetTimeout = () => {
+    if (timeoutRef.current) {
+      clearTimeout(timeoutRef.current);
+    }
+    timeoutRef.current = setTimeout(() => {
+      setTranscription([]);
+    }, 5000);
+  };
+
+  useEffect(() => {
+    return () => {
+      if (timeoutRef.current) {
+        clearTimeout(timeoutRef.current);
+      }
+    };
+  }, []);
+
+  useAppMessage({
+    onAppMessage: (e: DailyEventObjectAppMessage<any>) => {
+      if (e.fromId && e.fromId === "transcription") {
+        if (e.data.user_id === "" && e.data.is_final) {
+          setTranscription((t) => [...t, ...e.data.text.split(" ")]);
+          resetTimeout();
+        }
+      }
+    },
+  });
+
+  useEffect(() => {
+    if (active) return;
+    const t = setTimeout(() => setTranscription([]), 4000);
+    return () => clearTimeout(t);
+  }, [active]);
+
+  return (
+    <div className={`${styles.panel} ${active ? styles.active : ""}`}>
+      <div className="relative z-20 flex flex-col">
+        <div
+          className={`${styles.micIcon} ${active ? styles.micIconActive : ""}`}
+        >
+          <IconMicrophone size={42} />
+          {active && <AudioIndicator />}
+        </div>
+        <footer className={styles.transcript}>
+          <TypewriterEffect words={transcription} />
+        </footer>
+      </div>
+    </div>
+  );
+}