-- Migration: Add chicken_count and population columns to mortality_records table
-- Date: 2025-12-30
-- Description: Adds chicken_count (from AI counting) and population (manual override) columns

-- Add chicken_count column (nullable)
ALTER TABLE mortality_records
ADD COLUMN IF NOT EXISTS chicken_count INTEGER;

-- Add population column (nullable)
ALTER TABLE mortality_records
ADD COLUMN IF NOT EXISTS population INTEGER;

-- Add comments for documentation
COMMENT ON COLUMN mortality_records.chicken_count IS 'Chicken count from AI camera counting system';
COMMENT ON COLUMN mortality_records.population IS 'Manual population override value';