From c54180de72c66119a5425d6188d7ba2471dca2bf Mon Sep 17 00:00:00 2001
From: Hiago Silva <97215740+Huntterxx@users.noreply.github.com>
Date: Mon, 16 Mar 2026 11:15:42 -0300
Subject: [PATCH] fix: update error message to match guard logic

---
 src/agents/tools/tts-tool.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/agents/tools/tts-tool.ts b/src/agents/tools/tts-tool.ts
index c77425e692a..7951250afaf 100644
--- a/src/agents/tools/tts-tool.ts
+++ b/src/agents/tools/tts-tool.ts
@@ -34,7 +34,7 @@ export function createTtsTool(opts?: {
           content: [
             {
               type: "text",
-              text: 'TTS requires a bound channel for audio delivery. Use sessionTarget: "main" or provide a channel parameter.',
+              text: 'TTS requires a bound session channel for audio delivery. Use sessionTarget: "main" instead of "isolated".',
             },
           ],
           details: { error: "no_channel" },