Restore 30 inference steps for better quality

app.py

@@ -62,7 +62,7 @@ def enhance_image_simple(
                 negative_prompt="blurry, low quality, distorted, ugly, bad architecture",
                 strength=strength,
                 guidance_scale=guidance_scale,
-                num_inference_steps=20  # Reduced for faster processing
+                num_inference_steps=30
             )
         except Exception as e:
             logger.error(f"AI enhancement failed: {e}", exc_info=True)