Add debug print statement for property listing URLs in chat_with_session_memory

- Introduced a print statement to log the property listing URLs being processed, enhancing traceability during the property listing generation.
- This addition aims to facilitate debugging and provide better insights into the state of the application, following previous enhancements in logging for improved user experience.

ai_chat.py

@@ -53,6 +53,7 @@ def chat_with_session_memory(state):
                 f"{p.get('size_sqm')} sqm, {p.get('price')} ({p.get('price_type')})\n"
             )
             url = p.get("listing_url")
+            print(f"!!!!!URL: {url}")
             if url:
                 response_text += f"  Link: {url}\n"
         # b) Suggest extras based on available fields