-- Idempotent migration: adds reaction_unread_count to conversation_members.
-- Tracks per-user count of unread emoji reactions on their own messages within a conversation.
-- Safe to run multiple times: uses ADD COLUMN IF NOT EXISTS.

-- ============================================================
-- conversation_members table: reaction unread counter
-- ============================================================
ALTER TABLE conversation_members
  ADD COLUMN IF NOT EXISTS reaction_unread_count integer NOT NULL DEFAULT 0;
--> statement-breakpoint