{
    "id": "mod_anatomy_skeleton",
    "title": "Human Skeletal System",
    "description": "Drag and drop the correct bone names to their anatomical locations.",
    "category": "B",
    "subject": "Biology",
    "level": "Beginner",
    "config": {
        "engine": "visual_puzzle",
        "image_prompt": "A clear, medical illustration of the full human skeletal system, anterior view.",
        "labels": [
            {"id": "b1", "text": "Skull (Cranium)", "description": "Protects the brain", "x": 50, "y": 10},
            {"id": "b2", "text": "Rib Cage", "description": "Protects the heart and lungs", "x": 50, "y": 35},
            {"id": "b3", "text": "Humerus", "description": "Upper arm bone", "x": 35, "y": 40},
            {"id": "b4", "text": "Pelvis", "description": "Hip bones", "x": 50, "y": 55},
            {"id": "b5", "text": "Femur", "description": "Longest bone in the leg", "x": 45, "y": 70},
            {"id": "b6", "text": "Tibia", "description": "Shinbone", "x": 45, "y": 90}
        ]
    }
}