feat: Set theme for conversation verification UI after interface creation

src/interface/conversation_verification_ui.py

@@ -39,9 +39,10 @@ class VerificationInterface:
         self.current_record_index = 0
 
         with gr.Blocks(
-            title=f"Verify Conversation - {session.patient_name}",
-            theme=gr.themes.Soft()
+            title=f"Verify Conversation - {session.patient_name}"
         ) as interface:
+            # Set theme after creation
+            interface.theme = gr.themes.Soft()
             
             # Session header
             with gr.Row():