WhatsApp Templates API

8. Edit

Public Developer API for Meta template lifecycle on Cloud WhatsApp accounts. Same Meta engine as the Washeej dashboard. Access requires explicit template scopes; Device/QR management is rejected. Provider Meta delete stays deferred.

PATCH /v1/templates/{id}

Backend decides editability via TemplateStatusMapper. Rejected → edit_resubmit. Pending/Approved/Unknown → fail closed unless contract allows. Stale template_version409 stale_template_version.