UPDATE: subcategories filtering, General rules updates

app/server/utils/img_operation.py

@@ -91,7 +91,8 @@ def merge_images_to_square(outfit_items: List[Dict[str, str]], max_len=9, add_te
         raise ValueError("No valid images were loaded.")
 
     if num_images > max_len:
-        raise ValueError(f"Valid item number {num_images} exceed max limit {max_len}")
+        valid_images = valid_images[:max_len]
+        print(f"Valid item number {num_images} exceed max limit {max_len}, only first {max_len} items will be processed.")
 
     # Get the correct list of target areas based on the number of valid images
     target_areas = quadrants.get(num_images, [])
@@ -103,6 +104,7 @@ def merge_images_to_square(outfit_items: List[Dict[str, str]], max_len=9, add_te
     for i, (img, item) in enumerate(zip(valid_images, outfit_items)):
         item_id = item['item_id']
         category = item['category']
+        subcategory = item['subcategory']
         if i >= len(target_areas):
             # This should not happen if num_images <= 4
             break
@@ -155,7 +157,7 @@ def merge_images_to_square(outfit_items: List[Dict[str, str]], max_len=9, add_te
 
         # --- 文本居中与定位 ---
 
-        full_text = f"ID: {item_id}, Category: {category}"
+        full_text = f"ID: {item_id}, Subcategory: {subcategory}"
         if add_text:
             try:
                 # 推荐使用：计算文本的实际尺寸 (width, height)