```

feat(shopro_huifu): 优化分账确认金额计算逻辑并增强调试功能

- 添加previewConfirmPayFee方法用于预览汇付确认基数
- 实现更精确的分账确认金额计算，支持多种场景：待确认金额、结算金额、交易金额减手续费
- 新增辅助方法pickTransAmt、pickFeeAmt、isPositiveMoney和queryFieldRecursive
- 支持递归查询嵌套数据结构中的字段值
- 在测试脚本中添加详细的调试输出，包括汇付确认基数对比和查单摘要
- 增强错误处理，显示最新的分账记录详情便于问题排查
- 改进分账执行结果的反馈信息，提供更清晰的成功/失败状态说明
```

addons/shopro/tests/split_commission_verify.php

@@ -467,8 +467,49 @@ function trySplitOrder($orderSn, $execute)
         fwrite(STDERR, "未安装 shopro_huifu\n");
         exit(1);
     }
-    $ok = (new \addons\shopro_huifu\library\HuifuSplitService())->executeByOrderId($order['id']);
-    echo $ok ? "\n分账执行返回: 成功\n" : "\n分账执行返回: 失败（查日志 / shopro_split_order）\n";
+    $service = new \addons\shopro_huifu\library\HuifuSplitService();
+    $payFee = number_format((float) $order['pay_fee'], 2, '.', '');
+    $confirmBase = $service->previewConfirmPayFee($order['order_sn'], $payFee);
+    echo "\n汇付确认基数: pay_fee={$payFee} → confirm_base={$confirmBase}";
+    if (bccomp($confirmBase, $payFee, 2) < 0) {
+        echo "（已扣手续费/待确认金额）";
+    }
+    echo "\n";
+
+    try {
+        $query = (new \addons\shopro_huifu\library\HuifuQueryService())->queryByOrderSn($order['order_sn']);
+        $snippet = [
+            'trans_amt'      => $query['trans_amt'] ?? null,
+            'unconfirm_amt'  => $query['unconfirm_amt'] ?? null,
+            'settlement_amt' => $query['settlement_amt'] ?? null,
+            'delay_acct_flag'=> $query['delay_acct_flag'] ?? null,
+            'trans_stat'     => $query['trans_stat'] ?? null,
+        ];
+        echo '查单摘要: ' . json_encode($snippet, JSON_UNESCAPED_UNICODE) . "\n";
+    } catch (\Throwable $e) {
+        echo '查单摘要: 失败 ' . $e->getMessage() . "\n";
+    }
+
+    $ok = $service->executeByOrderId($order['id']);
+    if ($ok) {
+        echo "\n分账执行返回: 成功\n";
+        return;
+    }
+
+    $latest = Db::name('shopro_split_order')
+        ->where('order_id', $order['id'])
+        ->where('channel', 'huifu')
+        ->order('id', 'desc')
+        ->find();
+    echo "\n分账执行返回: 失败\n";
+    if ($latest) {
+        echo "最新分账记录 id={$latest['id']} status={$latest['status']} split_amount={$latest['split_amount']}\n";
+        if (!empty($latest['wx_result'])) {
+            echo "wx_result: {$latest['wx_result']}\n";
+        }
+    } else {
+        echo "未写入 shopro_split_order（可能明细为空或 pay_type 非 huifu_wechat）\n";
+    }
 }
 
 function printOrderDetail($orderSn)