curl --request GET \
  --url https://api.circular.rosetta.sh/api/v1/agent/policy/defaults \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "minRating": "BBB",
    "maxUtilization": 0.85,
    "maxConcentrationPct": 0.05,
    "requireFreshOracle": true,
    "maxLeverage": 3
  },
  "meta": {
    "latencyMs": 123,
    "freshness": "<string>",
    "source": "<string>"
  }
}