Update config/app_config.py

config/app_config.py

@@ -51,6 +51,7 @@ class ProcessingConfig:
     edge_refinement: bool = os.getenv('EDGE_REFINEMENT', 'true').lower() == 'true'
     mask_blur_radius: int = int(os.getenv('MASK_BLUR_RADIUS', '5'))
     confidence_threshold: float = float(os.getenv('CONFIDENCE_THRESHOLD', '0.85'))
+    background_preset: str = os.getenv('BACKGROUND_PRESET', 'minimalist')
     
     # Output settings
     output_dir: str = os.getenv('OUTPUT_DIR', 'outputs')