Enable live real-time TTS voice synchronization between VoiceManager and KokoroTTS

bot.py

@@ -345,7 +345,7 @@ def build_tts(args: argparse.Namespace, voice_manager=None):
     logger.info(f"Text to speech: Kokoro {voice}")
     tts = KokoroTTSService(
         settings=KokoroTTSService.Settings(voice=voice, language=Language.EN),
-        text_filters=[SpokenTextFilter()],
+        text_filters=[SpokenTextFilter(voice_manager=voice_manager)],
     )
     if voice_manager:
         voice_manager.set_tts_processor(tts)

spoken_text.py

@@ -34,7 +34,13 @@ _EXTRA_SPACE = re.compile(r"[ \t]{2,}")
 class SpokenTextFilter(MarkdownTextFilter):
     """Markdown filtering, plus the leftovers that matter when read aloud."""
 
+    def __init__(self, voice_manager=None, **kwargs):
+        super().__init__(**kwargs)
+        self._voice_manager = voice_manager
+
     async def filter(self, text: str) -> str:
+        if self._voice_manager:
+            self._voice_manager.sync_voice()
         text = _TIMES.sub(" times ", text)
         text = await super().filter(text)
         text = _STRIKETHROUGH.sub(r"\1", text)

voice_manager.py

@@ -77,6 +77,19 @@ class VoiceManager:
                 logger.warning(f"Could not load saved voice settings: {e}")
         return self._active_voice
 
+    def sync_voice(self) -> str:
+        """Check if voice_settings.json was updated on disk and update TTS live."""
+        current_disk_voice = self.load_saved_voice()
+        if self._tts_processor and current_disk_voice:
+            if hasattr(self._tts_processor, "_settings"):
+                current_tts_voice = getattr(self._tts_processor._settings, "voice", None)
+                if current_tts_voice != current_disk_voice:
+                    self._tts_processor._settings.voice = current_disk_voice
+                    logger.info(f"Live TTS voice synced to: {current_disk_voice}")
+            elif hasattr(self._tts_processor, "set_voice"):
+                self._tts_processor.set_voice(current_disk_voice)
+        return current_disk_voice
+
     def save_voice(self, voice_name: str):
         try:
             self._config_file.write_text(json.dumps({"voice": voice_name}, indent=2))