fix

src/server/main.py

@@ -184,7 +184,7 @@ class ExternalTTSService(TTSService):
     async def generate_speech(self, payload: dict) -> requests.Response:
         try:
             return requests.post(
-                f"{settings.external_tts_url}/audio/speech",
+                settings.external_tts_url,
                 json=payload,
                 headers={"accept": "*/*", "Content-Type": "application/json"},
                 stream=True,