Phase 1 step 2 — introduce the publisher primitive that emits
notification.requested envelopes through the RFC-004 transactional
outbox. Listeners and command handlers will migrate onto this in a
follow-up commit (flag-gated cutover).
- NotificationsPublisher exposes:
* publishWithin(tx, input) — preferred; appends to outbox inside an
existing Prisma transaction so the row commits atomically with the
domain mutation that triggered the notification
* publishStandalone(input) — opens a single-row tx; convenience for
callers that don't already own one
- Builds EventEnvelope<NotificationRequestedPayload> via the Phase 0
envelope builder (UUIDv7 eventId, current trace id, ISO occurredAt)
- Producer string: "goodgo-api/notifications"; eventType:
"notification.requested"
- aggregateId on outbox row = notificationId for downstream tracing
- Optional fields (locale, priority, dedupeKey) only included when set,
matching the JSON Schema's additionalProperties=false contract
Tests (4 specs, all green):
- publishWithin builds a valid envelope (assertValidEnvelope) and writes
to the supplied tx with aggregateId
- publishStandalone opens its own transaction
- Optional fields are omitted when undefined and preserved when provided
- UUIDv7 eventIds are strictly time-ordered between successive calls
Not yet wired in NotificationsModule providers — that lands with the
listener cutover in the next commit so we don't ship dead DI nodes.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
