獲取或設置 API 密鑰的護欄綁定

curl https://www.hitheo.ai/api/v1/keys/{id}/guardrails \
  -H "Authorization: Bearer $THEO_API_KEY"

const { policy_id, has_policy } = await theo.keys.getGuardrailPolicy(keyId);

{ "key_id": "key_abc", "policy_id": "1f4f2c1a-...", "has_policy": true }

# 綁定一個策略
curl -X PUT https://www.hitheo.ai/api/v1/keys/{id}/guardrails \
  -H "Authorization: Bearer $THEO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "policy_id": "1f4f2c1a-22ce-4b07-9c0b-9c4f4b9b1d2e" }'

# 清除綁定
curl -X PUT https://www.hitheo.ai/api/v1/keys/{id}/guardrails \
  -H "Authorization: Bearer $THEO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "policy_id": null }'

await theo.keys.setGuardrailPolicy(keyId, "1f4f2c1a-22ce-4b07-9c0b-9c4f4b9b1d2e");
await theo.keys.setGuardrailPolicy(keyId, null); // 清除