Get active version

curl "https://api.interchange.io/api/v2/storefront/operating-instructions/active" \
  -H "Authorization: Bearer $SCOPE3_API_KEY"

{
  "id": "43",
  "storefrontId": "1234",
  "version": 3,
  "content": "# Merchandising rules\n\nLead with premium CTV inventory. Never surface remnant display to direct-response buyers.",
  "notes": "tighten brand-safety rules",
  "isActive": true,
  "createdAt": "2026-06-01T14:30:00Z",
  "createdBy": "5567"
}