curl --request GET \
  --url https://api.useanima.sh/v1/agent/status \
  --header 'Authorization: Bearer <token>'

{
  "plan": "<string>",
  "limits": {
    "agents": 123,
    "agents_used": 123,
    "identities": 123,
    "identities_used": 123,
    "messages": 123,
    "domains": 123,
    "domains_used": 123
  },
  "capabilities": {
    "email": true,
    "phone": true,
    "vault": true
  },
  "upgrade_url": "<string>"
}