search update

src/services/article/searchArticles.js

@@ -77,6 +77,22 @@ function shapeCategories(counts, byId) {
     return categories;
 }
 
+/** Ensure every applied filter id appears in categories (count 0 if no hits). */
+function ensureFilterCategories(categories, filter, byId) {
+    for (const id of filter) {
+        if (id === '' || id === null || categories[id]) {
+            continue;
+        }
+        const meta = byId[id] ?? {};
+        categories[id] = {
+            count: 0,
+            name: meta.name ?? null,
+            parent: meta.parent ?? null,
+        };
+    }
+    return categories;
+}
+
 function shapeArticle(row, steuersaetze) {
     const taxRow = steuersaetze.find((item) => item.kSteuerklasse === row.kSteuerklasse);
     const brutto = bruttoFromNetto(row.fVKNEtto, row.kSteuerklasse, steuersaetze);
@@ -184,8 +200,12 @@ export async function searchArticles(target, filter = [''], offset = 0, maxCount
         loadCategoryCache(pool),
         loadSteuersatz(),
     ]);
-    const categories = shapeCategories(
-        buildKatAgg(result.recordset, categoryData.parentMap),
+    const categories = ensureFilterCategories(
+        shapeCategories(
+            buildKatAgg(result.recordset, categoryData.parentMap),
+            categoryData.byId
+        ),
+        filter,
         categoryData.byId
     );
     const length = result.recordset.length;