Update implementation to make it cleaner

tui_gateway/server.py

@@ -1424,6 +1424,8 @@ def _config_model_target() -> tuple[str, str]:
     provider = ""
     if isinstance(cfg_model, dict):
         provider = str(cfg_model.get("provider") or "").strip()
+        if provider.lower() == "auto":
+            provider = ""
     return model, provider
 
 
@@ -2033,8 +2035,6 @@ def _sync_agent_model_with_config(sid: str, session: dict) -> None:
     session["config_model_seen"] = target
     if target == seen:
         return
-    if seen is None and target[0] == (getattr(agent, "model", "") or ""):
-        return
     model, provider = target
     raw = f"{model} --provider {provider}" if provider else model
     try: