sheets

scripts/pdf/model/build-datasheet-model.ts

@@ -639,10 +639,10 @@ function extractAbbrevColumnsFromMediumVoltageHeader(args: {
 function buildMediumVoltageCrossSectionTableFromNewExcel(args: {
   product: ProductData;
   locale: 'en' | 'de';
-}): BuildExcelModelResult {
+}): BuildExcelModelResult & { legendItems: KeyValueItem[] } {
   const mv = findMediumVoltageCrossSectionExcelForProduct(args.product) as MediumVoltageCrossSectionExcelMatch | null;
-  if (!mv || !mv.rows.length) return { ok: false, technicalItems: [], voltageTables: [] };
-  if (!mv.crossSectionKey) return { ok: false, technicalItems: [], voltageTables: [] };
+  if (!mv || !mv.rows.length) return { ok: false, technicalItems: [], voltageTables: [], legendItems: [] };
+  if (!mv.crossSectionKey) return { ok: false, technicalItems: [], voltageTables: [], legendItems: [] };
 
   const abbrevCols = extractAbbrevColumnsFromMediumVoltageHeader({
     headerRow: mv.headerRow,
@@ -651,7 +651,19 @@ function buildMediumVoltageCrossSectionTableFromNewExcel(args: {
     crossSectionKey: mv.crossSectionKey,
     ratedVoltageKey: mv.ratedVoltageKey,
   });
-  if (!abbrevCols.length) return { ok: false, technicalItems: [], voltageTables: [] };
+  if (!abbrevCols.length) return { ok: false, technicalItems: [], voltageTables: [], legendItems: [] };
+
+  // Collect legend items: abbreviation -> description from header row
+  const legendItems: KeyValueItem[] = [];
+  for (const col of abbrevCols) {
+    const description = normalizeValue(String(mv.headerRow[col.colKey] || ''));
+    if (description && description !== col.colKey) {
+      legendItems.push({
+        label: col.colKey,
+        value: description,
+      });
+    }
+  }
 
   const byVoltage = new Map<string, number[]>();
   for (let i = 0; i < mv.rows.length; i++) {
@@ -710,7 +722,7 @@ function buildMediumVoltageCrossSectionTableFromNewExcel(args: {
     voltageTables.push({ voltageLabel: vKey, metaItems, crossSections, columns });
   }
 
-  return { ok: true, technicalItems: [], voltageTables };
+  return { ok: true, technicalItems: [], voltageTables, legendItems };
 }
 
 export function buildDatasheetModel(args: { product: ProductData; locale: 'en' | 'de' }): DatasheetModel {
@@ -726,7 +738,7 @@ export function buildDatasheetModel(args: { product: ProductData; locale: 'en' |
   // Cross-section tables: for medium voltage only, prefer the new MV sheet (abbrev columns in header row).
   const crossSectionModel = isMediumVoltageProduct(args.product)
     ? buildMediumVoltageCrossSectionTableFromNewExcel({ product: args.product, locale: args.locale })
-    : { ok: false, technicalItems: [], voltageTables: [] };
+    : { ok: false, technicalItems: [], voltageTables: [], legendItems: [] };
 
   const voltageTablesSrc = crossSectionModel.ok
     ? crossSectionModel.voltageTables
@@ -762,5 +774,6 @@ export function buildDatasheetModel(args: { product: ProductData; locale: 'en' |
     labels,
     technicalItems: excelModel.ok ? excelModel.technicalItems : [],
     voltageTables,
+    legendItems: crossSectionModel.legendItems || [],
   };
 }

scripts/pdf/model/types.ts

@@ -47,5 +47,6 @@ export type DatasheetModel = {
   };
   technicalItems: KeyValueItem[];
   voltageTables: DatasheetVoltageTable[];
+  legendItems: KeyValueItem[];
 };