def emergency_filter_detections(boxes, max_total=50, max_per_class=10):
    """緊急過濾檢測結果"""
    if len(boxes) <= max_total:
        return boxes
    
    # 按類別分組
    from collections import defaultdict
    class_groups = defaultdict(list)
    for box in boxes:
        class_groups[box.class_name].append(box)
    
    # 每類保留最高分數的檢測
    filtered = []
    for class_name, class_boxes in class_groups.items():
        class_boxes.sort(key=lambda x: x.score, reverse=True)
        keep_count = min(len(class_boxes), max_per_class)
        filtered.extend(class_boxes[:keep_count])
    
    # 總數限制
    if len(filtered) > max_total:
        filtered.sort(key=lambda x: x.score, reverse=True)
        filtered = filtered[:max_total]
    
    return filtered