企業の主要人物：実質的支配者（UBO）と役員

"key_people_checks": [
  {
    "status": "Approved",
    "node_id": "feature_kyb_key_people",
    "registry": {
      "officers": [
        { "uuid": "...", "name": "Jane Doe", "role": "director", "kyc_status": "Approved", "kyc_session_url": "..." }
      ],
      "beneficial_owners": [
        { "uuid": "...", "name": "John Smith", "roles": ["ubo"], "ownership_min_shares": 40, "kyc_status": "Pending" }
      ]
    },
    "submitted": {
      "parties": [
        { "uuid": "...", "entity_type": "person", "name": "Alice Chen", "role": "ubo", "ownership_percent": 35.0, "source": "USER", "requires_verification": true, "kyc_session_status": "Not Started", "kyc_session_url": "..." }
      ]
    },
    "ubo_kyc_summary": { "total": 2, "approved": 1, "flagged": 0, "pending": 1 }
  }
]