Первоначальный коммит

Co-authored-by: Cursor <cursoragent@cursor.com>

play-life-backend/migrations/000002_fix_weekly_goals_user_id.down.sql

@@ -0,0 +1,4 @@
+-- Rollback migration: This migration cannot be automatically rolled back
+-- The user_id values were corrected from projects.user_id, so reverting would
+-- require knowing the original incorrect values, which is not possible.
+-- If rollback is needed, you would need to manually restore from a backup.