{
  "policy": "tier1-equivalence/policies/22-let-shadowing.aster",
  "entry": "normalize",
  "cases": [
    {
      "name": "negative → 0",
      "input": [
        -5
      ],
      "expectedOutput": 0
    },
    {
      "name": "positive unchanged",
      "input": [
        42
      ],
      "expectedOutput": 42
    }
  ]
}