Add part number chips feature to CalculationMassEdit modal

- Display selected part numbers as chips with a count summary.
- Add logic to extract and display unique part numbers from edit IDs.
- Update modal and style components to support the new feature.

src/frontend/src/pages/CalculationMassEdit.vue

@@ -107,6 +107,27 @@
     <modal :z-index="2000" :state="modalShow">
       <div class="modal-content-container">
         <h3 class="sub-header">{{ modalTitle }}</h3>
+
+        <!-- Part Number Chips -->
+        <div v-if="shouldShowPartNumbers" class="parts-selection-container">
+          <div class="parts-chips">
+            <basic-badge
+              v-for="partNumber in selectedPartNumbers.slice(0, 5)"
+              :key="partNumber"
+              variant="primary"
+              size="compact"
+              class="part-chip"
+            >
+              {{ partNumber }}
+            </basic-badge>
+            <span v-if="selectedPartNumbers.length > 5" class="parts-ellipsis">...</span>
+          </div>
+          <div v-if="partNumberCountText" class="parts-count">
+            {{ partNumberCountText }}
+          </div>
+        </div>
+        <!-- END: Part Number Chips -->
+
         <component
             :is="modalComponentType"
             ref="modalComponent"
@@ -176,6 +197,7 @@ import Modal from "@/components/UI/Modal.vue";
 import PriceEdit from "@/components/layout/edit/PriceEdit.vue";
 import MaterialEdit from "@/components/layout/edit/MaterialEdit.vue";
 import PackagingEdit from "@/components/layout/edit/PackagingEdit.vue";
+import BasicBadge from "@/components/UI/BasicBadge.vue";
 
 import {useNotificationStore} from "@/store/notification.js";
 import {useDestinationEditStore} from "@/store/destinationEdit.js";
@@ -211,7 +233,8 @@ export default {
     CalculationListItem,
     Checkbox,
     BulkEditRow,
-    BasicButton
+    BasicButton,
+    BasicBadge
   },
   data() {
     return {
@@ -286,6 +309,55 @@ export default {
         return "Please wait. Prepare calculation ..."
 
       return this.processingMessage;
+    },
+
+    /**
+     * Extrahiert eindeutige Teilenummern aus ausgewählten Premises
+     * @returns {Array<string>} Array eindeutiger Teilenummern, sortiert
+     */
+    selectedPartNumbers() {
+      // Guard: Keine editIds oder nicht relevant
+      if (!this.editIds || this.editIds.length === 0) {
+        return [];
+      }
+
+      // Nur für Material/Price/Packaging Modals anzeigen
+      const relevantTypes = ['material', 'price', 'packaging'];
+      if (!relevantTypes.includes(this.modalType)) {
+        return [];
+      }
+
+      try {
+        // Teilenummern extrahieren
+        const partNumbers = this.editIds
+          .map(id => {
+            const premise = this.premiseEditStore.getById(id);
+            return premise?.material?.part_number;
+          })
+          .filter(partNumber => partNumber != null && partNumber !== '');
+
+        // Duplikate entfernen und sortieren
+        return [...new Set(partNumbers)].sort();
+
+      } catch (error) {
+        logger.log('Error extracting part numbers:', error);
+        return [];
+      }
+    },
+
+    /**
+     * Prüft ob Part Numbers angezeigt werden sollen
+     */
+    shouldShowPartNumbers() {
+      return this.selectedPartNumbers.length > 0;
+    },
+
+    /**
+     * Anzahl-Text für viele Teile (> 5)
+     */
+    partNumberCountText() {
+      const count = this.selectedPartNumbers.length;
+      return count > 5 ? `${count} part numbers` : null;
     }
   },
   watch: {
@@ -630,6 +702,38 @@ export default {
   margin-bottom: 1.6rem;
 }
 
+/* Part Number Chips Styling */
+.parts-selection-container {
+  display: flex;
+  flex-direction: column;
+  gap: 0.4rem;
+  margin-bottom: 1.6rem;
+  padding-bottom: 1.6rem;
+  border-bottom: 0.1rem solid rgba(107, 134, 156, 0.1);
+}
+
+.parts-chips {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.6rem;
+}
+
+.part-chip {
+  flex-shrink: 0;
+}
+
+.parts-ellipsis {
+  font-size: 1.4rem;
+  color: #6B869C;
+  align-self: center;
+  padding: 0 0.4rem;
+}
+
+.parts-count {
+  font-size: 1.2rem;
+  color: #9CA3AF;
+}
+
 /* Global style für copy-mode cursor */
 .edit-calculation-container.has-selection :deep(.edit-calculation-list-header-cell--copyable:hover) {
   cursor: url("data:image/svg+xml;base64,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") 12 12, pointer;