-- Migration: Add harvest weight tracking to mortality records
-- Date: 2026-06-19
-- Description: Adds berat_panen to mortality_records so harvest weight persists across reloads

ALTER TABLE mortality_records
ADD COLUMN IF NOT EXISTS berat_panen NUMERIC(10,2) DEFAULT 0;

COMMENT ON COLUMN mortality_records.berat_panen IS 'Daily harvest weight in kilograms';