Get OIDC userinfo

Example response

{
  "sub": "9b7a3e18-9eaf-4e0c-97f7-2f5b59a8f6c0",
  "email": "owner@example.com",
  "email_verified": true,
  "name": "Avery Morgan",
  "given_name": "Avery",
  "family_name": "Morgan",
  "myltv_user_id": "3f2e1d0c-9b8a-7654-3210-fedcba987654",
  "myltv_role": "user",
  "myltv_product": {
    "model": "Unity",
    "floorplan": "FX",
    "year": "2026",
    "vin": null
  },
  "myltv_profile": {
    "first_name": "Avery",
    "last_name": "Morgan",
    "display_name": "Avery Morgan",
    "avatar": "https://cdn.example.com/avatars/avery.png",
    "coach_nickname": "Rolling Zephyr",
    "product": {
      "model": "Unity",
      "floorplan": "FX",
      "year": "2026",
      "vin": null
    },
    "club": null,
    "verified": true
  }
}