fix: use UI-provided liveboard name instead of Supabase-reloaded value

load_gradio_settings() was being called at deploy time, overwriting the
liveboard name the user typed in the UI with whatever was saved in the DB.
Now self.settings (which has the live UI value) takes priority.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

chat_interface.py

@@ -3724,7 +3724,7 @@ This chat will update when complete."""
             
             # Load settings
             settings = load_gradio_settings(self._get_effective_user_email())
-            liveboard_name = settings.get('liveboard_name', '')
+            liveboard_name = self.settings.get('liveboard_name', '') or settings.get('liveboard_name', '')
             
             # Default liveboard name to company name (without .com) if blank
             if not liveboard_name: