Regenerate a recommendation

curl -X POST https://app.dacard.ai/api/recommendations/regenerate \
  -H "Authorization: Bearer $DACARD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "recommendationId": "rec_xyz",
    "feedback": "Too generic. Our team is two ICs, not a 50-person org."
  }'

{
  "recommendation": {
    "id": "rec_xyz",
    "rewrittenAt": "2026-05-06T12:00:00Z",
    "title": "...",
    "body": "...",
    "evidence": [...]
  }
}