fix: tag_name and object_naming_prefix now read from panel (self.settings) at deploy time

Both were reading from a fresh Supabase load instead of self.settings,
so panel overrides were silently ignored.

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

chat_interface.py

@@ -3817,8 +3817,8 @@ This chat will update when complete."""
                 liveboard_name = company.replace('.com', '').replace('.', ' ').strip().title()
             
             llm_model = settings.get('default_llm', self.settings.get('model', DEFAULT_LLM_MODEL))
-            tag_name_value = settings.get('tag_name')
-            naming_prefix = settings.get('object_naming_prefix', '')
+            tag_name_value = self.settings.get('tag_name') or settings.get('tag_name')
+            naming_prefix = self.settings.get('object_naming_prefix') or settings.get('object_naming_prefix', '')
             # Extract base_name from schema_name (e.g., BLA_01311648_EAX_sch -> BLA_01311648_EAX)
             # DO NOT regenerate - must match what Snowflake deployment used
             base_name = schema_name.replace('_sch', '') if schema_name.endswith('_sch') else schema_name