feat(routes): sync model globals via config API, fix log message

- Add models.text, models.evil, models.japanese to config/set globals sync
- Fix language toggle log to show actual model name instead of hardcoded string

bot/routes/config.py

@@ -93,6 +93,9 @@ async def set_config_value(request: Request):
             "voice.debug_mode":         ("VOICE_DEBUG_MODE",  bool),
             "memory.use_cheshire_cat":  ("USE_CHESHIRE_CAT",  bool),
             "gpu.prefer_amd":           ("PREFER_AMD_GPU",    bool),
+            "models.text":              ("TEXT_MODEL",        str),
+            "models.evil":              ("EVIL_TEXT_MODEL",   str),
+            "models.japanese":          ("JAPANESE_TEXT_MODEL", str),
         }
 
         if key_path in _GLOBALS_SYNC:

bot/routes/language.py

@@ -27,7 +27,7 @@ def toggle_language_mode():
         globals.LANGUAGE_MODE = "japanese"
         new_mode = "japanese"
         model_used = globals.JAPANESE_TEXT_MODEL
-        logger.info("Switched to Japanese mode (using Llama 3.1 Swallow)")
+        logger.info(f"Switched to Japanese mode (using {model_used})")
     else:
         globals.LANGUAGE_MODE = "english"
         new_mode = "english"