PRODUCTION ONLY — linkUwant card-renewal email templates
Templates are include-only arrays containing subject/html/text.
Placeholders: [Customer First Name], [Domain Name], [Agreement ID], [Customer Name], [Renewal Amount], [Failure Reason].
Do not send the 60/30 day templates until a functioning Stripe migration link is available.
No card number or security code may be included in an email or application log.