```

feat(split-order): 添加分账订单失败原因详情展示功能

- 新增 fail_reason_full 字段用于存储完整的失败原因信息
- 实现 formatFailReasonFull 方法解析微信分账失败的详细信息
- 优化前端表格展示，增加查看完整失败原因的弹窗功能
- 调整表格列宽度和样式，提升买家信息展示效果
- 修复昵称和角色ID显示逻辑，避免重复显示问题
```

application/admin/controller/shopro/split/Order.php

@@ -147,6 +147,7 @@ class Order extends Base
             $data['receiver_preview'] = $receiverPreview;
             $data['receiver_summary'] = $summaryLines ? implode('；', $summaryLines) : '—';
             $data['fail_reason'] = $this->formatFailReason($data['wx_result'] ?? '', $status);
+            $data['fail_reason_full'] = $this->formatFailReasonFull($data['wx_result'] ?? '', $status);
 
             $diag = (new SplitCalculator())->diagnose($orderId);
             $data['split_source'] = $diag['final_source'];
@@ -264,8 +265,8 @@ class Order extends Base
         $mobile = is_array($user) ? trim((string) ($user['mobile'] ?? '')) : '';
         if ($nickname !== '') {
             $label = $nickname;
-            if ($roleId > 0) {
-                $label .= '#' . $roleId;
+            if ($roleId > 0 && (string) $nickname !== (string) $roleId) {
+                $label .= ' #' . $roleId;
             }
             if ($mobile !== '') {
                 $label .= ' ' . $this->maskMobile($mobile);
@@ -326,7 +327,38 @@ class Order extends Base
                 return implode(' ', $parts);
             }
         }
-        return mb_strlen($raw) > 120 ? (mb_substr($raw, 0, 120) . '…') : $raw;
+        $full = $this->formatFailReasonFull($wxResult, $status);
+        if ($full === '') {
+            return '';
+        }
+        return mb_strlen($full) > 48 ? (mb_substr($full, 0, 48) . '…') : $full;
+    }
+
+    protected function formatFailReasonFull($wxResult, $status)
+    {
+        if ($status !== 4 || $wxResult === '' || $wxResult === null) {
+            return '';
+        }
+        $raw = is_string($wxResult) ? $wxResult : json_encode($wxResult, JSON_UNESCAPED_UNICODE);
+        if ($raw === '') {
+            return '';
+        }
+        if (strpos($raw, 'fund_freeze_stat=FREEZE') !== false) {
+            return '微信资金冻结，需发货/确认收货后再分账';
+        }
+        $decoded = json_decode($raw, true);
+        if (is_array($decoded)) {
+            $parts = array_filter([
+                $decoded['resp_desc'] ?? '',
+                isset($decoded['resp_code']) ? ('resp_code=' . $decoded['resp_code']) : '',
+                $decoded['bank_message'] ?? '',
+                $decoded['trans_stat'] ?? '',
+            ]);
+            if ($parts) {
+                return implode('，', $parts);
+            }
+        }
+        return $raw;
     }
 
     protected function formatBuyerDisplay($nickname, $mobile, $userId)