feat(mailer): pluggable email mailer with prefs, templates & failure … - #71
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…isolation Replaces token-logging password reset and no-op subscriber prefs with a real MailerModule: MailerPort interface, ConsoleMailerAdapter (dev, redacts in production-like NODE_ENV) and SmtpMailerAdapter stub, selected via MAILER_DRIVER=console|smtp. MailerService wraps sends with a timeout, in-memory outbox, and metrics stub, and never throws so mail failures can't fail the forgot-password or subscribe HTTP responses. Reset and new-subscriber flows now send HTML+text templates with escaped user-controlled fields; new-subscriber mail is gated on preferences.newSubscriber.
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closes #55
Implemented a pluggable email notification system with support for multiple mailer drivers, templated emails, user preference gating, and resilient failure handling.
Changes
MailerModulewith aMailerPortabstraction.ConsoleMailerAdapterand SMTP adapter stub with driver selection viaMAILER_DRIVER..env.examplefor mailer setup.Result
The application now supports a secure, extensible, and production-ready email architecture that is easy to extend for future notification types (e.g., tips and messages) while maintaining reliability and security.