feat(merchant): 企业订单聚合列表与关联账号只读详情

- 新增 /merchant/orders，按主账号+关联账号聚合订单并支持状态筛选
- 新增企业订单页，展示订单归属账号（主账号/关联账号）
- 工作台企业订单入口改到聚合列表，近期订单可点击查看
- 订单详情允许同商家账号查看，非下单账号隐藏操作按钮
- 报价选择仅下单账号可操作，防止关联账号/主账号误操作

server/application/api/controller/Merchant.php

@@ -171,6 +171,58 @@ class Merchant extends Base
         $this->success('', ['months' => $months, 'orders' => $orders]);
     }
 
+    /**
+     * 企业订单：主账号 + 关联账号的全部订单
+     */
+    public function orders()
+    {
+        $merchant = $this->requireMerchant();
+        $uids = $this->merchantUserIds($merchant);
+        $status = $this->request->param('status', 'all');
+        $page = max(1, (int)$this->request->param('page', 1));
+        $limit = min(50, max(1, (int)$this->request->param('limit', 20)));
+
+        $build = function () use ($uids, $status) {
+            $q = Db::name('order')->where('user_id', 'in', $uids);
+            if ($status === 'active') {
+                $q->where('status', 'in', \app\common\library\OrderStatus::activeValues());
+            } elseif ($status === 'completed') {
+                $q->where('status', \app\common\library\OrderStatus::COMPLETED);
+            } elseif ($status === 'cancelled') {
+                $q->where('status', \app\common\library\OrderStatus::CANCELLED);
+            } elseif ($status !== 'all' && $status !== '') {
+                $q->where('status', (int)$status);
+            }
+            return $q;
+        };
+
+        $total = $build()->count();
+        $rows = $build()->order('id desc')->page($page, $limit)->select();
+        $userMap = Db::name('user')->where('id', 'in', $uids)->column('id,nickname,mobile', 'id');
+
+        foreach ($rows as &$row) {
+            $ownerUser = (int)$row['user_id'] === (int)$merchant['user_id'];
+            $u = isset($userMap[(int)$row['user_id']]) ? $userMap[(int)$row['user_id']] : null;
+            $mobile = $u ? (string)$u['mobile'] : '';
+            $row['pay_amount'] = (float)$row['pay_amount'];
+            $row['urgent'] = (int)$row['urgent'];
+            $row['status_text'] = \app\common\library\OrderStatus::label((int)$row['status']);
+            $row['appoint_text'] = $row['appoint_time'] ? date('m-d H:i', (int)$row['appoint_time']) : '尽快上门';
+            $row['create_text'] = date('Y-m-d H:i', (int)$row['createtime']);
+            $row['address_text'] = $row['province'] . $row['city'] . $row['district'] . $row['address'];
+            $row['account_name'] = $u && $u['nickname'] ? $u['nickname'] : ('用户' . substr($mobile, -4));
+            $row['account_role'] = $ownerUser ? 'owner' : 'member';
+            $row['account_role_text'] = $ownerUser ? '主账号' : '关联账号';
+        }
+        unset($row);
+
+        $this->success('', [
+            'list'  => $rows,
+            'total' => (int)$total,
+            'page'  => $page,
+        ]);
+    }
+
     /**
      * 开票记录
      */