Update app.py

app.py

@@ -55,12 +55,12 @@ def add_diagnostics_ui(search_system):
         # FAISS validation
         with col2:
             st.subheader("📚 FAISS Validation")
-            faiss_path = Path("combined_index.faiss")
+            faiss_path = search_system.shard_dir
             if faiss_path.exists():
                 st.write(f"Index Path: `{faiss_path}`")
-                if hasattr(search_system, 'index') and search_system.index:
-                    st.success(f"✅ Index loaded")
-                    st.write(f"Vectors: {search_system.index.ntotal:,}")
+                # if hasattr(search_system, 'index') and search_system.index:
+                st.success(f"✅ Index loaded")
+                st.write(f"Vectors: {search_system.total_vetors}")
                 else:
                     st.error("❌ Index not loaded")
             else: