Add error handling for find_synergistic_papers in format_search_results_json and format_search_results functions

app.py

@@ -462,8 +462,11 @@ def find_synergistic_papers(abstract: str, limit=25) -> list[dict]:
 
 def format_search_results_json(abstract: str) -> str:
     """Format search results as JSON for display"""
-    papers = find_synergistic_papers(abstract, limit=10)
-    json_output = json.dumps(papers, indent=2)
+    try:
+        papers = find_synergistic_papers(abstract, limit=10)
+        json_output = json.dumps(papers, indent=2)
+    except ValueError as e:
+        json_output = json.dumps({"error": str(e)}, indent=2)
 
     return json_output
 
@@ -472,7 +475,14 @@ def format_search_results(abstract: str) -> tuple[pd.DataFrame, list[dict]]:
     """Format search results as a DataFrame for display"""
     # Find papers synergistic with the given abstract
     # papers = embedding_model.find_synergistic_papers(abstract)
-    papers = find_synergistic_papers(abstract)
+    try:
+        papers = find_synergistic_papers(abstract)
+    except ValueError as e:
+        error_message = str(e)
+        df = pd.DataFrame(
+            [{"Title": error_message, "Authors": "", "Categories": "", "Date": "", "Match Score": ""}]
+        )
+        return df, []
 
     # Convert to DataFrame for display
     df = pd.DataFrame(