sale order

services/deviationStore.js

@@ -12,7 +12,14 @@
 const sql = require('mssql');
 
 const TABLE = `[dbo].[ZPRODUCTION_DEVIATIONS]`;
-const TYPES = ['SHORTAGE', 'SUBSTITUTION', 'DAMAGE'];
+// ADDITION: a genuinely new item/component that was never on the Production
+// Order at all — distinct from Substitution (which replaces an EXISTING
+// component) and Shortage (which tops up an EXISTING component's qty).
+// Reuses ITEM_CODE/ITEM_NAME for the new item (no "old" item involved, so no
+// OLD_LINE_NUM either), and shares Substitution's own "add a real component
+// line" SAP posting/apply/reversal logic in routes/sap.js — just always with
+// oldLineNum=null, since applySubstitutionLine() already handles that case.
+const TYPES = ['SHORTAGE', 'SUBSTITUTION', 'DAMAGE', 'ADDITION'];
 
 let _conn = null;
 async function getConn() {