make a fake onhand for scheduling

src/main/java/com/ffii/fpsms/modules/master/service/ProductionScheduleService.kt

@@ -656,12 +656,14 @@ open class ProductionScheduleService(
                             WHERE
                                 dol.itemId = items.id
                                     -- AND MONTH(do.estimatedArrivalDate) = MONTH(DATE_SUB(NOW(), INTERVAL 1 MONTH))
-                                    AND do.estimatedArrivalDate >= '2025-12-01' AND do.estimatedArrivalDate < '2025-12-11'
+                                    AND do.estimatedArrivalDate >= '2026-01-12' AND do.estimatedArrivalDate < '2026-01-16'
                             GROUP BY do.estimatedArrivalDate) AS d) AS avgQtyLastMonth,
 
                         (select sum(reqQty) from job_order where bomId = bom.id and status != 'completed') AS pendingJobQty,
-
-                        inventory.onHandQty - 500 AS stockQty,
+                        
+                        CASE WHEN item_fake_onhand.onHandQty is not null THEN item_fake_onhand.onHandQty
+                        ELSE inventory.onHandQty - 500 END AS stockQty,
+                        
                         bom.outputQty,
                         bom.outputQtyUom,
                         (SELECT 
@@ -706,6 +708,7 @@ open class ProductionScheduleService(
                     bom
                 LEFT JOIN items ON bom.itemId = items.id
                 LEFT JOIN inventory ON items.id = inventory.itemId
+                left join item_fake_onhand on items.code = item_fake_onhand.itemCode
                 WHERE
                     bom.itemId != 16771) AS i
             WHERE 1

src/main/resources/db/changelog/changes/20260201_fai/01_fake.sql

@@ -0,0 +1,6 @@
+--liquibase formatted sql
+--changeset author:vin fake onhand
+CREATE TABLE `fpsmsdb`.`item_fake_onhand` (
+  `itemCode` VARCHAR(100) NOT NULL,
+  `onHandQty` DECIMAL(14,2) NULL,
+  PRIMARY KEY (`itemCode`));