Fix duplicate Picasso-style descriptors in prompt enhancement

Prevent duplication of style descriptors when they already exist in the prompt,
eliminating repeated text in the Status box output.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

app.py

@@ -40,8 +40,12 @@ def generate_image(prompt, num_inference_steps=28, guidance_scale=3.5):
             return None, "🚀 Loading AI model... Please wait a moment and try again!"
     
     try:
-        # Enhance prompt for Picasso style
-        enhanced_prompt = f"{prompt}, in the style of Pablo Picasso, cubist painting, abstract art, geometric shapes, fragmented forms, bold colors"
+        # Enhance prompt for Picasso style (avoid duplication)
+        picasso_style = "in the style of Pablo Picasso, cubist painting, abstract art, geometric shapes, fragmented forms, bold colors"
+        if picasso_style not in prompt:
+            enhanced_prompt = f"{prompt}, {picasso_style}"
+        else:
+            enhanced_prompt = prompt
         
         # Generate image with FLUX parameters
         image = model_pipe(