add adjustment depresiasi calculation and percentage depresiasi

internal/database/migrations/20260529144531_recalculate_economic_cutoff_25_weeks.up.sql

@@ -0,0 +1,24 @@
+-- Recalculate laying_transfers.economic_cutoff_date dari rule 19 minggu (lama) ke 25 minggu (baru,
+-- sejalan dengan depreciation_start_age_day = 175). Semua transfer historis yang punya
+-- source_project_flock_kandang_id akan di-update agar economic_cutoff_date = source.chick_in_date + 175 hari.
+
+BEGIN;
+
+UPDATE laying_transfers lt
+SET economic_cutoff_date = sub.cutoff_date,
+    updated_at = NOW()
+FROM (
+    SELECT
+        lt2.id AS transfer_id,
+        (MIN(pc.chick_in_date)::date + INTERVAL '175 days')::date AS cutoff_date
+    FROM laying_transfers lt2
+    JOIN project_chickins pc ON pc.project_flock_kandang_id = lt2.source_project_flock_kandang_id
+    WHERE lt2.deleted_at IS NULL
+      AND lt2.source_project_flock_kandang_id IS NOT NULL
+      AND pc.deleted_at IS NULL
+    GROUP BY lt2.id
+) sub
+WHERE lt.id = sub.transfer_id
+  AND lt.deleted_at IS NULL;
+
+COMMIT;