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Phase 28 of ui/PLAN.md needs a persistent player-to-player mail channel; the existing `mail` package is a transactional email outbox and the `notification` catalog is one-way platform events. Stage A lands the schema (diplomail_messages / _recipients / _translations), a single-recipient personal send/read/delete service path, a `diplomail.message.received` push kind plumbed through the notification pipeline, and an unread-counts endpoint that drives the lobby badge. Admin / system mail, lifecycle hooks, paid-tier broadcast, multi-game broadcast, bulk purge and language detection / translation cache come in stages B–D. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
123 KiB
123 KiB