feat: fix table alignment in product view and implement self-service password update with role masking

inventory-web/src/views/stock/inbound/product.vue

@@ -142,6 +142,7 @@
         highlight-current-row
         header-cell-class-name="table-header-gray"
         @sort-change="handleSortChange"
+        :key="hasColumnPermission('sn_bn') ? 'sn' : 'nosn'"
     >
       <template v-for="col in allColumns" :key="col.prop">
         <el-table-column
@@ -818,7 +819,7 @@ const displayData = computed(() => {
     const key = `${item.sku || ''}_${item.spec_model || item.spec || ''}`
     if (aggMap.has(key)) {
       const existing = aggMap.get(key)
-      // 累加库存数量
+      // 累加库存数量（原地修改已拷贝的对象，不影响原始数据）
       existing.qty_stock = (existing.qty_stock || 0) + (item.qty_stock || 0)
       existing.qty_available = (existing.qty_available || 0) + (item.qty_available || 0)
       existing.stock_quantity = (existing.stock_quantity || 0) + (item.stock_quantity || 0)
@@ -829,7 +830,9 @@ const displayData = computed(() => {
       existing.raw_material_cost = (existing.raw_material_cost || 0) + (item.raw_material_cost || 0)
       existing.unit_total_cost = (existing.unit_total_cost || 0) + (item.unit_total_cost || 0)
     } else {
-      aggMap.set(key, { ...item })
+      // 【关键修复】使用 Object.assign 深拷贝第一条记录的所有字段，
+      // 绝不能只保留 sku 和 qty，否则其他列（公司/名称/规格等）会读不到数据
+      aggMap.set(key, Object.assign({}, item))
     }
   }
   return Array.from(aggMap.values())