Update app.py

app.py

@@ -310,7 +310,18 @@ with gr.Blocks(title="NRL Chat for Commercial procurement", theme=gr.themes.Soft
                 )
             
             submit_btn = gr.Button("💬 Answer with Citations", variant="primary")
+    # Event handlers - ADD THESE MISSING ONES
+    create_btn.click(
+        create_faiss_index,
+        inputs=[repo_id_input, pdf_upload],
+        outputs=[index_status]
+    )
     
+    clear_btn.click(
+        lambda: {}, 
+        outputs=[uploaded_files]
+    )
+
     # Event handlers
     submit_btn.click(
         rag_query_with_citations,