- Add emitResidentialEvent helper on NotificationsGateway that fans
residential:price-drop, residential:new-listing-in-project, and
residential:inquiry-reply to the user's /notifications room.
- Wire three CQRS @EventsHandler listeners on ListingPriceChangedEvent
(only when newPrice < oldPrice, match saved searches),
ListingApprovedEvent (match saved searches with filters.projectId
against property.projectDevelopmentId), and InquiryReadEvent
(notify inquiry author).
- Redis pub/sub fan-out already handled by RedisIoAdapter from
TEC-2766, so these broadcasts work across API instances.
- Unit tests for all three listeners and the new gateway helper.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
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