UI: make PDF and ZIP download buttons always visible

app.py

@@ -3766,8 +3766,8 @@ The framework builds upon 🐪 [CAMEL-ai](https://github.com/camel-ai/camel).
                 # Downloads at bottom
                 pdf_out      = gr.HTML(label="📄 Poster (PDF Preview)", visible=False)
                 with gr.Row():
-                    pdf_file_out = gr.File(label="📄 Download Poster (PDF)", interactive=False, visible=False)
-                    zip_out      = gr.File(label="📦 Download Results (.zip)", interactive=False)
+                    pdf_file_out = gr.File(label="📄 Download Poster (PDF)", interactive=False, visible=True)
+                    zip_out      = gr.File(label="📦 Download Results (.zip)", interactive=False, visible=True)
                 overleaf_out = gr.HTML(label="Open in Overleaf")
                 # Debug (hidden)
                 debug_zip_btn= gr.Button("🐞 Test repo output.zip", variant="secondary", visible=False)