update preprocess

preprocess/simple_extractor.py

@@ -373,9 +373,9 @@ def _select_palette_by_category(category: str):
     """
     category별 palette 선택 로직 (명시적 규칙)
     """
-    if category == "Upper-body":
+    if category == "Upper-cloth":
         return get_palette(4)
-    elif category == "Lower-body":
+    elif category == "Bottom":
         return get_palette2(4)
     elif category == "Dress":
         return get_palette(7)