fix: remove blocking demo.load, tabs now responsive on startup

app.py

@@ -1348,7 +1348,7 @@ with gr.Blocks(title="TOTEM Studio") as demo:
     # ── EVENT WIRING ─────────────────────────────────────────────────────────
 
     # Dashboard tab
-    demo.load(load_workbook, outputs=[active_path, dashboard, log_state, score_status], concurrency_limit=None)
+    # demo.load removed: user triggers load via Run TOTEM Analysis button
     workbook_upload.upload(load_uploaded, inputs=[workbook_upload],
                            outputs=[active_path, dashboard, log_state, score_status])
     run_button.click(run_analysis, inputs=[active_path],