Первоначальный коммит

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

play-life-backend/migrations_old/024_add_reward_policy.sql

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+-- Migration: Add reward_policy to tasks table
+-- This migration adds reward_policy column for wishlist tasks
+-- If the column already exists (from migration 023), this will be a no-op
+
+-- ============================================
+-- Modify: tasks - добавляем политику награждения для wishlist задач
+-- ============================================
+ALTER TABLE tasks 
+ADD COLUMN IF NOT EXISTS reward_policy VARCHAR(20) DEFAULT 'personal';
+
+COMMENT ON COLUMN tasks.reward_policy IS 
+    'For wishlist tasks: personal = only if user completes, shared = anyone completes';
+