Fix function calls in format_search_results_json and format_search_results to use abstract parameter directly

app.py

@@ -461,7 +461,7 @@ 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"""
     # Find papers synergistic with the given abstract
-    papers = find_synergistic_papers(dataset, abstract)
+    papers = find_synergistic_papers(abstract)
 
     # Convert to JSON for display
     json_output = json.dumps(papers, indent=2)
@@ -473,7 +473,7 @@ 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(dataset, abstract)
+    papers = find_synergistic_papers(abstract)
 
     # Convert to DataFrame for display
     df = pd.DataFrame(