Fix get_relevant_docs helper func

helpers.py

@@ -50,6 +50,9 @@ def transform_documents(splits: List[Document]) -> List[Dict[str, Union[int, str
 
             result.append({"highlight_idx": highlight_idx, "page_content": doc.page_content.strip()})
     
+        else:
+            combined_non_highlight_content += doc.page_content.strip() + " "
+
     if combined_non_highlight_content:
         result.append(
             {"highlight_idx": None, "page_content": combined_non_highlight_content.strip()}