refactor(imWorkOrder): 优化工单分类和目标类型的展示逻辑

将工单分类和目标类型的格式化逻辑抽离到model文件中，统一处理字典映射展示，替换原有的硬编码空值占位，同时修复列表页和详情页的展示不一致问题

web/src/views/imWorkOrder/model.ts

@@ -14,6 +14,37 @@ export const workOrderTypeOptions = [
   { label: '反馈', value: 'feedback' },
 ];
 
+// 目标类型映射
+const targetTypeMap: Record<string, string> = {
+  user: '用户',
+  group: '群聊',
+  message: '消息',
+};
+
+// 分类映射：举报按 reason_code，反馈按 category
+const abuseCategoryMap: Record<string, string> = {
+  spam: '垃圾广告',
+  harassment: '骚扰辱骂',
+  illegal: '违法违规',
+  fraud: '诈骗欺诈',
+  other: '其他',
+};
+const feedbackCategoryMap: Record<string, string> = {
+  bug: '功能异常',
+  suggestion: '功能建议',
+  complaint: '投诉',
+  other: '其他',
+};
+
+export function categoryLabelOf(type: string, category: string) {
+  const map = type === 'abuse' ? abuseCategoryMap : feedbackCategoryMap;
+  return map[category] || category || '-';
+}
+
+export function targetTypeLabel(targetType: string) {
+  return targetTypeMap[targetType] || (targetType || '-');
+}
+
 export class State {
   public tenantId = 0;
   public tenantName = '';
@@ -118,9 +149,25 @@ export const columns = [
   { title: 'ID', key: 'id', align: 'left', width: 80 },
   { title: '工单ID', key: 'orderId', align: 'left', width: 180 },
   { title: '提交人ID', key: 'userId', align: 'left', width: 120 },
-  { title: '目标类型', key: 'targetType', align: 'left', width: 110 },
+  {
+    title: '目标类型',
+    key: 'targetType',
+    align: 'left',
+    width: 110,
+    render(row: State) {
+      return targetTypeLabel(row.targetType);
+    },
+  },
   { title: '目标摘要', key: 'targetSummary', align: 'left', width: 220 },
-  { title: '分类', key: 'category', align: 'left', width: 130 },
+  {
+    title: '分类',
+    key: 'category',
+    align: 'left',
+    width: 130,
+    render(row: State) {
+      return categoryLabelOf(row.type, row.category);
+    },
+  },
   { title: '内容', key: 'content', align: 'left', width: 260 },
   {
     title: '状态',