UI fixes

app.py

@@ -75,8 +75,10 @@ with gr.Blocks() as app:
     with gr.Tab("📂 Upload CSV"):
         with gr.Row():
             file_input = gr.File(label="Upload CSV with shape (10×20)")
-            file_output = gr.Textbox(label="Prediction")
+            predict_btn = gr.Button("Predict")
+        
+        file_output = gr.Textbox(label="Prediction")
 
-        file_input.change(fn=predict_from_csv, inputs=file_input, outputs=file_output)
+        predict_btn.click(fn=predict_from_csv, inputs=file_input, outputs=file_output)
 
 app.launch(share=True)