カスタマイズした Topic ポリシーを追加する方法

[
  {
    "id": "WPN",
    "title": "Weapons",
    "description": "Requests about manufacturing weapons or explosives.",
    "safe": { "description": "General, factual, news-level mentions." },
    "unsafe": { "description": "Step-by-step instructions to make/modify weapons or explosives." },
    "controversial": { "description": "Borderline cases." }
  }
]

{
  "action": "BLOCK",
  "input_results": [{ "action": "BLOCK", "results": [{
    "policy_name": "Topic Policy", "policy_type": "TOPIC", "action": "BLOCK",
    "detected_items": [{ "rule_id": "WPN", "rule_name": "Weapons", "classification": "unsafe" }]
  }]}]
}