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Events

Producers write event_outbox in the same database transaction as the business change. outbox-relay-service publishes the envelope to Redis Streams. Consumers append to inbox_messages and let InboxMessageWorker run the handler. Handlers must be idempotent on event_id.

Produced​

  • messaging.direct-message-received
  • messaging.group-message-received
  • Group created, member added or removed, renamed, admin transfer, wallpaper.

Consumed​

  • Auth user registered, profile updated, deleted.
  • Social friend-request accepted.
  • Social group membership (deleted, renamed, avatar, ownership, member activated or deactivated).

Envelope fields that matter for operations: eventId, type, traceId (from X-Request-Id). See request correlation.