Update app.py

app.py

@@ -11,8 +11,12 @@ class GPT5Model:
     def __init__(self, api_key):
         self.api_key = api_key
         self.system_prompt = "You are GPT-5, the most advanced AI model available. Answer accurately, intelligently, and helpfully."
+        self.locked = False
 
     def generate_response(self, prompt):
+        if self.locked:
+            return "Access locked. Only one prompt is allowed per session."
+        
         headers = {
             "Authorization": f"Bearer {self.api_key}",
             "Content-Type": "application/json"
@@ -24,6 +28,9 @@ class GPT5Model:
         }
         import requests
         response = requests.post("https://api.pplx.ai/v1/generate", json=data, headers=headers)
+        
+        # Lock after first request
+        self.locked = True
         return response.json()["choices"][0]["text"].strip()
     """,
     "gpt5_utils.py": """
@@ -58,12 +65,12 @@ def generate_response(prompt):
 
 # Create Gradio interface
 with gr.Blocks() as demo:
-    gr.Markdown("# GPT5 Model Interface")
+    gr.Markdown("# GPT5 Model Interface (One Prompt Only)")
     with gr.Row():
         with gr.Column():
             prompt = gr.Textbox(label="Enter your prompt (1 character only)", placeholder="Enter a single character")
             generate_btn = gr.Button("Generate Response")
-            output = gr.Textbox(label="Generated Response")
+            output = gr.Textbox(label="Generated Response", interactive=False)
 
     generate_btn.click(generate_response, inputs=prompt, outputs=output)