Reveal true model accuracies button.

app.py

@@ -750,6 +750,7 @@ with gr.Blocks(title="CODA: Wildlife Photo Classification Challenge",
                """) as demo:
     # Main page title
     gr.Markdown("# CODA: Consensus-Driven Active Model Selection", elem_classes="text-center")
+    gr.Markdown("Figure out which model is best by actively annotating data.", elem_classes="text-center")
 
     # Popup component
     with gr.Group(visible=True, elem_classes="popup-overlay") as popup_overlay:
@@ -862,9 +863,31 @@ with gr.Blocks(title="CODA: Wildlife Photo Classification Challenge",
         with gr.Column(scale=1):
             with gr.Group(elem_classes="panel-container"):
                 acc_help_button = gr.Button("?", elem_classes="help-icon", size="sm")
+
+                with gr.Row(elem_classes="flex-grow") as accuracy_title_row:
+                    gr.Markdown("""
+                    ## True Model Accuracies
+
+                    Click below to view the true model accuracies.
+
+                    Note you wouldn't be able to do this in the real model selection setting!
+
+                    """,
+                    elem_classes="text-center compact-predictions flex-grow")
+
+                # Centered reveal button (initially visible)
+                with gr.Group(visible=True) as accuracy_hidden_group:
+                    with gr.Column(elem_classes="flex items-center justify-center h-full"):
+                        reveal_accuracy_button = gr.Button(
+                            "Reveal model accuracies",
+                            variant="primary"
+                        )
+
+                # Accuracy plot (initially hidden)
                 accuracy_plot = gr.Plot(
                     value=create_accuracy_chart(),
-                    show_label=False
+                    show_label=False,
+                    visible=False
                 )
     
     # Status display with help button
@@ -1024,6 +1047,10 @@ with gr.Blocks(title="CODA: Wildlife Photo Classification Challenge",
     def hide_species_guide_popup():
         return gr.update(visible=False)
 
+    def reveal_accuracies():
+        """Reveal accuracy plot and hide the title and button"""
+        return gr.update(visible=True), gr.update(visible=False), gr.update(visible=False)
+
     popup_start_button.click(
         fn=start_demo,
         outputs=[image_display, status_with_help, model_predictions_display, prob_plot, accuracy_plot, popup_overlay, result_display, selection_help_button]
@@ -1075,6 +1102,12 @@ with gr.Blocks(title="CODA: Wildlife Photo Classification Challenge",
         outputs=[selection_help_popup]
     )
 
+    # Reveal accuracy button handler
+    reveal_accuracy_button.click(
+        fn=reveal_accuracies,
+        outputs=[accuracy_plot, accuracy_hidden_group, accuracy_title_row]
+    )
+
     # Species guide popup handlers
     view_guide_button.click(
         fn=show_species_guide_popup,