refactor(wms/coil/label): 统一质量状态字段的显示逻辑

将三个标签页组件的质量状态展示逻辑抽离为复用的计算属性，把原始状态码转换为易读的中文描述，A/A+/A-/B/B+/B-统一显示为合格品，其他情况保留原始值

klp-ui/src/views/wms/coil/panels/LabelRender/DuGeTag.vue

@@ -66,7 +66,7 @@
         </div>
         <div class="info-grid-item label-cell">产品等级</div>
         <div class="info-grid-item value-cell">
-          <div class="nob">{{ content.qualityStatus || '' }}</div>
+          <div class="nob">{{ qualityStatusDisplay }}</div>
         </div>
 
         <!-- 第五行：表面处理 + 剪切要求 -->
@@ -181,6 +181,13 @@ export default {
     materialWithManufacturer() {
       return this.content.material
     },
+    qualityStatusDisplay() {
+      const status = (this.content.qualityStatus || '').trim()
+      if (['A', 'A+', 'A-', 'B', 'B+', 'B-'].includes(status)) {
+        return '合格品'
+      }
+      return status
+    },
     orderUnitDisplay() {
       return (this.content.orderUnit || '').replace(/有限公司/g, '')
     },

klp-ui/src/views/wms/coil/panels/LabelRender/GalvanizedTag.vue

@@ -66,7 +66,7 @@
         </div>
         <div class="info-grid-item label-cell">质量状态</div>
         <div class="info-grid-item value-cell">
-          <div class="nob">{{ content.qualityStatus || '' }}</div>
+          <div class="nob">{{ qualityStatusDisplay }}</div>
         </div>
 
         <!-- 第五行：表面处理 + 剪切要求 -->
@@ -182,6 +182,13 @@ export default {
     materialWithManufacturer() {
       return this.content.material
     },
+    qualityStatusDisplay() {
+      const status = (this.content.qualityStatus || '').trim()
+      if (['A', 'A+', 'A-', 'B', 'B+', 'B-'].includes(status)) {
+        return '合格品'
+      }
+      return status
+    },
     orderUnitDisplay() {
       return (this.content.orderUnit || '').replace(/有限公司/g, '')
     },

klp-ui/src/views/wms/coil/panels/LabelRender/OuterTagPreview.vue

@@ -65,7 +65,7 @@
         </div>
         <div class="info-grid-item label-cell">质量要求</div>
         <div class="info-grid-item value-cell">
-          <div class="nob">{{ content.qualityStatus || '' }}</div>
+          <div class="nob">{{ qualityStatusDisplay }}</div>
           <!-- <input type="text" class="" :value="content.qualityStatus || ''" /> -->
         </div>
 
@@ -188,6 +188,13 @@ export default {
     materialWithManufacturer() {
       return this.content.material
     },
+    qualityStatusDisplay() {
+      const status = (this.content.qualityStatus || '').trim()
+      if (['A', 'A+', 'A-', 'B', 'B+', 'B-'].includes(status)) {
+        return '合格品'
+      }
+      return status
+    },
     orderUnitDisplay() {
       return (this.content.orderUnit || '').replace(/有限公司/g, '')
     },