Phase 3 implemented — Text LLM can now stream to the TTS pipeline with the !miku say command

bot/utils/voice_audio.py

@@ -281,8 +281,21 @@ class MikuVoiceSource(discord.AudioSource):
             await self.send_token(word + " ", pitch_shift)
             # Small delay to avoid overwhelming the TTS
             await asyncio.sleep(0.05)
+    
+    async def flush(self):
+        """
+        Send flush command to TTS to trigger synthesis of buffered tokens.
+        This ensures any remaining text in the TTS buffer is synthesized.
+        """
+        if self.websocket:
+            try:
+                await self.websocket.send_json({"flush": True})
+                logger.debug("Sent flush command to TTS")
+            except Exception as e:
+                logger.error(f"Failed to send flush command: {e}")
 
     
+
     async def _receive_audio(self):
         """Background task to receive audio from WebSocket and buffer it."""
         try: