Fix: Implement dynamic column detection to handle Excel structure changes (insertion of PM Classification). This fixes the Missing data error in Pricing Units and other views.

scratch/check_item.js

@@ -0,0 +1,18 @@
+import * as XLSX from 'xlsx';
+import * as fs from 'fs';
+
+const buf = fs.readFileSync('data (3).xlsx');
+const wb = XLSX.read(buf, {type: 'buffer'});
+const ws = wb.Sheets[wb.SheetNames[0]];
+const data = XLSX.utils.sheet_to_json(ws, {header: 1});
+
+const itemRow = data.find(r => String(r[0]) === '75432');
+if (itemRow) {
+    console.log('Row for 75432:');
+    console.log(`Index 0 (Article No): ${itemRow[0]}`);
+    console.log(`Index 31 (Units Inner): ${itemRow[31]}`);
+    console.log(`Index 32 (Units Outer): ${itemRow[32]}`);
+    console.log(`Index 33 (Units Pallet): ${itemRow[33]}`);
+} else {
+    console.log('Item 75432 not found');
+}