fixed index out of range error

main.py

@@ -376,14 +376,13 @@ async def process_query(user_query: str, sse_queue: asyncio.Queue):
                     chunk_counter += 1
 
                 sources_for_answer = []
-                for idx, result in enumerate(search_results, 1):
-                    if search_contents[idx-1]:  # Only include if content was successfully fetched
+                for idx, (result, content) in enumerate(zip(search_results, search_contents), 1):
+                    if content:  # Only include if content was successfully fetched
                         sources_for_answer.append({
                             "id": idx,
                             "title": result.get('title', 'No Title'),
-                            "link": result.get('link', 'No URL')                            
-                        }
-                    )
+                            "link": result.get('link', 'No URL')
+                        })
 
                 await sse_queue.put(("final_message", response))
                 await sse_queue.put(("final_sources", json.dumps(sources_for_answer)))