multica/server/migrations/026_comment_reactions.down.sql
Jiayuan 7c1aabbe3a feat(reactions): add emoji reactions for comments and issue descriptions
Add Slack-style emoji reactions to comments and issue descriptions with
full-stack support: database tables, REST API endpoints, real-time
WebSocket sync, optimistic UI updates, and inbox notifications.

- New `comment_reaction` and `issue_reaction` tables with migrations
- POST/DELETE endpoints for adding/removing reactions on both comments
  and issue descriptions
- Real-time WS events (reaction:added/removed, issue_reaction:added/removed)
- Shared ReactionBar component with quick emoji picker and full emoji-mart
  picker (lazy-loaded)
- Optimistic add/remove with rollback on failure
- Inbox notifications for comment author and issue creator when reacted to
- Reactions included in timeline, comment list, and issue detail responses
2026-03-30 22:37:59 +08:00

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SQL

DROP TABLE IF EXISTS comment_reaction;