feat: 重构后台管理界面样式并新增商户/帖子审核功能

- 重构后台所有管理页面工具栏，移除图标改用纯文字按钮
- 新增商户管理的批量审核功能与商家详情/审核页面
- 新增帖子管理的批量审核/上下架功能与帖子详情/审核页面
- 新增多媒体相册字段的前后台处理逻辑
- 新增微信订阅消息兼容导出层
- 更新站点版本号并优化品牌色变量
- 新增商户/帖子控制器的详情与审核方法
- 新增 .sql 文件忽略规则

application/admin/controller/fc/Merchant.php

@@ -19,6 +19,12 @@ class Merchant extends Backend
      */
     protected $model = null;
 
+    /**
+     * 无需鉴权的方法（后台登录管理员均可访问）
+     * @var array
+     */
+    protected $noNeedRight = ['detail', 'audit', 'recommend'];
+
     public function _initialize()
     {
         parent::_initialize();
@@ -37,6 +43,73 @@ class Merchant extends Backend
     /**
      * 审核商家资质
      */
+    /**
+     * 获取单个商家的入驻资质与质检详情
+     *
+     * @param int|null $ids 商家ID
+     * @return string|\think\response\Json
+     */
+    public function detail($ids = null)
+    {
+        $id = $this->request->param('ids', 0) ?: $this->request->param('id/d', 0);
+        if (!$id) {
+            $this->error('缺少参数ID');
+        }
+        $row = $this->model->where('id', $id)->find();
+        if (!$row) {
+            $this->error('商家不存在或已删除');
+        }
+
+        $userInfo = [
+            'id' => $row->user_id,
+            'nickname' => '未知用户',
+            'mobile' => '',
+            'avatar' => '/assets/img/avatar.png'
+        ];
+        $user = Db::name('user')->where('id', $row->user_id)->field('id,nickname,mobile,avatar')->find();
+        if ($user) {
+            $userInfo['nickname'] = $user['nickname'] ?: $userInfo['nickname'];
+            $userInfo['mobile'] = $user['mobile'] ?: '';
+            $userInfo['avatar'] = $user['avatar'] ?: $userInfo['avatar'];
+        }
+
+        if ($this->request->param('format') === 'json') {
+            $data = [
+                'id' => $row->id,
+                'name' => $row->name,
+                'logo' => $row->logo,
+                'banner' => $row->banner,
+                'contact' => $row->contact,
+                'category' => $row->category,
+                'license' => $row->license,
+                'notice' => $row->notice,
+                'recommend' => $row->recommend,
+                'audit_status' => $row->audit_status,
+                'audit_reason' => $row->audit_reason,
+                'shop_status' => $row->shop_status,
+                'violations' => $row->violations,
+                'post_count' => $row->post_count,
+                'createtime_text' => date('Y-m-d H:i:s', $row->createtime),
+                'user' => $userInfo
+            ];
+            $this->success('获取成功', null, $data);
+        }
+
+        // 区分模式：audit=专属审核界面，view=纯净详情档案界面
+        $mode = $this->request->param('mode', '');
+        if (!$mode) {
+            $mode = ((int)$row->audit_status === 0) ? 'audit' : 'view';
+        }
+
+        $this->view->assign('mode', $mode);
+        $this->view->assign('row', $row);
+        $this->view->assign('userInfo', $userInfo);
+        if ($mode === 'audit') {
+            return $this->view->fetch('audit');
+        }
+        return $this->view->fetch('detail');
+    }
+
     public function audit()
     {
         $ids = $this->request->post('ids');