List what used meetings and credits

Newest first, one row per meeting or question, plus bonus credits granted. Paged by cursor: pass nextCursor back as cursor. A row released because nothing was recorded still appears, with state: released, so the history explains every number.

curl -X GET https://api-notetaker.nabrah.ai/ext/v1/usage/activity \
  -H "Authorization: Bearer $NABRAH_API_KEY"

{
  "data": {}
}