{
  "stmt": "-- Migration: Unify note_layouts fields and remove is_read from note_comments\n-- This migration:\n-- 1. Removes the is_read column from note_comments table\n-- 2. Removes lastCommentViewedAt and lastPriorityViewedAt columns from note_layouts table\n-- 3. Adds the unified lastViewedAt column to note_layouts table\n\n-- Step 1: Remove is_read from note_comments\nALTER TABLE `note_comments` DROP COLUMN `is_read`;\n\n-- Step 2: Drop old columns from note_layouts\nALTER TABLE `note_layouts` DROP COLUMN `last_comment_viewed_at`;\nALTER TABLE `note_layouts` DROP COLUMN `last_priority_viewed_at`;\n\n-- Step 3: Add unified lastViewedAt column to note_layouts\nALTER TABLE `note_layouts` ADD COLUMN `last_viewed_at` TIMESTAMP NULL DEFAULT NULL AFTER `reminder_at`;\n"
}