Update app.py

app.py

@@ -86,6 +86,7 @@ with gr.Blocks() as gaia:
                 openai_api_key = gr.Textbox(
                     label="OpenAI API Key *",
                     type="password",
+                    placeholder="sk‑...",
                     interactive=True
                 )
                 gemini_api_key = gr.Textbox(
@@ -96,6 +97,7 @@ with gr.Blocks() as gaia:
                 anthropic_api_key = gr.Textbox(
                     label="Anthropic API Key *",
                     type="password",
+                    placeholder="sk-ant-...",
                     interactive=True
                 )
             with gr.Row():