Approve a submission or request changes

curl -X POST 'https://api.expiryedge.com/v1/reviewCollectionSubmission' \
  -H "Authorization: Bearer $EXPIRYEDGE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "submissionId": "sub_Qm3r",
  "decision": "request_changes",
  "expectedRevision": 1,
  "fieldReviews": [
    {
      "fieldId": "fld_company_name",
      "status": "approved"
    },
    {
      "fieldId": "fld_insurance",
      "status": "rejected",
      "comment": "This certificate expired in June. Please upload the current one."
    }
  ]
}'

{
  "message": "Changes requested - recipient notified",
  "email_sent": true
}