curl -X GET https://api.handauncle.com/app/launch \
  -H 'x-device-id=ios-device-3f92' \
  -H 'x-platform=ios' \
  -H 'x-user-email=investor@example.com'

{
  "success": true,
  "data": {
    "appLaunchResponseData": {
      "userData": {
        "userId": "65f2c4a1d5",
        "email": "investor@example.com",
        "platform": "ios",
        "isVerified": true
      },
      "isOnboardingRequired": false
    }
  },
  "meta": {
    "timestamp": "2025-12-01T07:10:08.337Z",
    "request_id": "6f3dfc92-0a16-41ed-a360-3c78a9272f0f"
  }
}