diff --git a/bot/src/config.ts b/bot/src/config.ts
index 691ba96..7c7ee6a 100644
--- a/bot/src/config.ts
+++ b/bot/src/config.ts
@@ -27,6 +27,10 @@ export const config = {
   // Userbot auto-join: if set, the userbot joins this voice channel on startup;
   // if empty, it waits for a text command (e.g. "!자비스 join") to join.
   autoJoinChannelId: opt("DISCORD_VOICE_CHANNEL_ID"),
+  // Optional text channel where the bot mirrors every voice turn it heard
+  // (transcript + reply) so you can verify what it understood even when it
+  // doesn't answer aloud.
+  transcriptChannelId: opt("DISCORD_TRANSCRIPT_CHANNEL_ID"),
 
   // --- Python brain bridge ---
   bridgeUrl: opt("BRIDGE_URL", "http://127.0.0.1:8765"),
diff --git a/bot/src/userbot.ts b/bot/src/userbot.ts
index 4f8ef72..ac34e14 100644
--- a/bot/src/userbot.ts
+++ b/bot/src/userbot.ts
@@ -34,6 +34,21 @@ async function loadSelfbot(): Promise<any> {
   }
 }
 
+/** Mirror a heard voice turn (transcript + reply) into a text channel. */
+async function postTranscript(client: AnyClient, transcript: string, reply: string): Promise<void> {
+  const chId = config.transcriptChannelId;
+  if (!chId) return;
+  try {
+    const ch: any = await client.channels.fetch(chId).catch(() => null);
+    if (ch?.send) {
+      const r = (reply || "").trim();
+      await ch.send(`🗣️ 들은 말: ${transcript}\n🤖 답변: ${r || "(무응답)"}`);
+    }
+  } catch (e) {
+    console.error("[userbot] transcript post failed:", e);
+  }
+}
+
 async function joinAndListen(client: AnyClient, channelId: string): Promise<void> {
   const channel: any = await client.channels.fetch(channelId).catch(() => null);
   if (!channel || channel.isVoice?.() === false) {
@@ -43,7 +58,12 @@ async function joinAndListen(client: AnyClient, channelId: string): Promise<void
   // The selfbot VoiceChannel is runtime-compatible with @discordjs/voice's
   // joinVoiceChannel (it exposes id, guild.id and guild.voiceAdapterCreator).
   const session = await joinChannel(channel as unknown as VoiceBasedChannel);
-  session.onTurn = ({ transcript, reply }) => console.log(`🗣️  ${transcript}\n🤖 ${reply}`);
+  session.onTurn = ({ transcript, reply }) => {
+    console.log(`🗣️  ${transcript}\n🤖 ${reply}`);
+    // Mirror every heard utterance (and the reply, if any) to a text channel so
+    // you can see what the bot understood even when it doesn't answer aloud.
+    void postTranscript(client, transcript, reply);
+  };
   // Screen-share mode (STREAM_BROWSER=true): auto-start the broadcast on join,
   // report its live state to the brain each turn, and let the brain toggle it by
   // voice. Userbot is the only mode that can actually Go Live, so without this