zias
e5d2b13b21
Introduces a CF Queue binding (kk-email-queue) to decouple email delivery from request handlers, preventing slow responses and providing automatic retries. All send*Email calls now go through the queue when the binding is available, with direct-send fallbacks for local dev. Reminder fan-outs mark DB rows optimistically before enqueueing to prevent re-enqueue on subsequent cron ticks.