curl --request PATCH \
  --url https://api.lunary.ai/v1/projects/{projectId}/pin \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "pinned": true
}'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "isPinned": true
}