curl --request PATCH \
  --url https://prod.featherhq.com/api/v1/chat/threads/{threadId} \
  --header 'Content-Type: application/json' \
  --data '
{
  "metadata": {},
  "variables": {}
}
'

{
  "thread": {
    "threadId": "<string>",
    "isActive": true,
    "createdAt": "<string>",
    "lastActivityAt": "<string>",
    "metadata": {},
    "variables": {}
  }
}