feat(bot): add secure reminder job runtime

packages/ports/src/reminders.ts

@@ -0,0 +1,19 @@
+export const REMINDER_TYPES = ['utilities', 'rent-warning', 'rent-due'] as const
+
+export type ReminderType = (typeof REMINDER_TYPES)[number]
+
+export interface ClaimReminderDispatchInput {
+  householdId: string
+  period: string
+  reminderType: ReminderType
+  payloadHash: string
+}
+
+export interface ClaimReminderDispatchResult {
+  dedupeKey: string
+  claimed: boolean
+}
+
+export interface ReminderDispatchRepository {
+  claimReminderDispatch(input: ClaimReminderDispatchInput): Promise<ClaimReminderDispatchResult>
+}