Update app.py

app.py

@@ -1,10 +1,11 @@
 import gradio as gr
 import requests
 from PIL import Image
+import os
 import io
 
 BASE_URL = "https://api.jigsawstack.com/v1"
-headers = {"x-api-key": ""}
+headers = {"x-api-key": os.getenv("JIGSAWSTACK_API_KEY")}
 
 # ----------------- JigsawStack API Wrappers ------------------
 
@@ -105,7 +106,7 @@ def generate_image(prompt, aspect_ratio, width, height, steps, negative_prompt,
 with gr.Blocks() as demo:
     gr.Markdown("""
     <div style='text-align: center; margin-bottom: 24px;'>
-        <h1 style='font-size:2.2em; margin-bottom: 0.2em;'>🧩 JigsawStack Image Generation Demo</h1>
+        <h1 style='font-size:2.2em; margin-bottom: 0.2em;'>🧩 JigsawStack Image Generation</h1>
         <p style='font-size:1.2em; margin-top: 0;'>Generate high-quality images from text prompts using advanced AI models.</p>
         <p style='font-size:1em; margin-top: 0.5em;'>For more details and API usage, see the <a href='https://jigsawstack.com/docs/api-reference/ai/image-generation' target='_blank'>documentation</a>.</p>
     </div>