Disable buttons when no API key set

app.py

@@ -22,10 +22,10 @@ def create_demo():
             gr.Markdown(f"**Import Error:** {IMPORT_ERROR}")
             return demo
 
-        with gr.Accordion("Settings", open=False):
+        with gr.Accordion("Settings", open=True):
             api_key = gr.Textbox(
                 label="StackNet Key",
-                placeholder="Enter your key (e.g., sn_xxxx...)",
+                placeholder="Enter your key to enable generation...",
                 type="password",
                 value=""
             )
@@ -33,6 +33,33 @@ def create_demo():
         with gr.Tabs():
             tabs = create_all_tabs()
 
+        # Collect all buttons to disable when no API key
+        all_buttons = [
+            tabs["text_to_music"]["generate_btn"],
+            tabs["music_to_music"]["cover_btn"],
+            tabs["music_to_music"]["stems_btn"],
+            tabs["text_to_image"]["generate_btn"],
+            tabs["image_to_image"]["edit_btn"],
+            tabs["text_to_video"]["generate_btn"],
+            tabs["image_to_video"]["animate_btn"],
+        ]
+
+        def update_buttons(key):
+            enabled = bool(key and key.strip())
+            return [gr.update(interactive=enabled) for _ in all_buttons]
+
+        api_key.change(
+            fn=update_buttons,
+            inputs=[api_key],
+            outputs=all_buttons
+        )
+
+        # Initially disable all buttons
+        demo.load(
+            fn=lambda: [gr.update(interactive=False) for _ in all_buttons],
+            outputs=all_buttons
+        )
+
         # Text to Music
         ttm = tabs["text_to_music"]
         ttm["generate_btn"].click(