Feature:Echo

Feature:Echo
Summary
Title:	Echo (Notifications)
Description:	Provides a comprehensive notification system for user interactions. Alerts users about talk page messages, mentions, page links, thanks, and other wiki events through both on-wiki and email notifications.
More
Notes:	Customizable notification preferences per user
Test:	Trigger notifications, verify delivery in UI and email
Example:	Talk page message alerts; Page mention notifications; Thank you notifications; Edit revert alerts