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

play-life-backend/migrations_old/018_add_repetition_date.sql

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+-- Migration: Add repetition_date field to tasks table
+-- This script adds the repetition_date field for pattern-based recurring tasks
+-- Format examples: "2 week" (2nd day of week), "15 month" (15th day of month), "02-01 year" (Feb 1st)
+
+-- ============================================
+-- Add repetition_date column
+-- ============================================
+ALTER TABLE tasks 
+ADD COLUMN IF NOT EXISTS repetition_date TEXT;
+
+-- ============================================
+-- Comments for documentation
+-- ============================================
+COMMENT ON COLUMN tasks.repetition_date IS 'Pattern-based repetition: "N week" (day of week 1-7), "N month" (day of month 1-31), "MM-DD year" (specific date). Mutually exclusive with repetition_period.';
+
+