curl --request GET \
  --url https://app.autoposting.ai/api-proxy/onboarding/status \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "completed": false,
    "steps": {
      "createBrand": true,
      "connectPlatform": true,
      "createFirstPost": false,
      "inviteTeamMember": false
    },
    "completedAt": null
  }
}