fix: 付款申请批量同步金蝶失败时展示失败原因

- 批量同步后解析返回结果，按"同步失败"标识区分成功与失败条目
- 部分失败时以 warning 提示成功/失败条数及具体失败原因（停留8秒），全部成功仍提示已同步条数

src/views/payment/payment-application.vue

@@ -403,8 +403,17 @@ export default {
         this.$message.warning('请选择至少一条审批通过的付款申请');
         return;
       }
-      await api.syncKingdeeBatch(rows.map(row => row.id));
-      this.$message.success(`已同步${rows.length}条付款申请`);
+      const data = this.unwrapData(await api.syncKingdeeBatch(rows.map(row => row.id))) || [];
+      const failedList = data.filter(item => String(item).includes('同步失败'));
+      if (failedList.length) {
+        this.$message({
+          type: 'warning',
+          message: `同步完成：成功${data.length - failedList.length}条，失败${failedList.length}条。${failedList.join('；')}`,
+          duration: 8000,
+        });
+      } else {
+        this.$message.success(`已同步${data.length}条付款申请`);
+      }
       this.loadTable();
     },
     async handleSyncResult() {