feat: 新增会员浏览/拨打额度并优化无图展示逻辑

新增会员每日浏览完整信息和拨打电话的额度配置，调整付费查看接口描述为解锁完整信息，优化帖子无图时的兜底展示逻辑，修复图片加载路径问题，删除废弃工具脚本。

application/api/controller/AdminMember.php

@@ -57,10 +57,10 @@ class AdminMember extends V1
     }
 
     /**
-     * AMB2 会员权益配置
-     * POST /api/v1/admin/member/benefit 入参 {freeView,postDiscount,distRate,benefits[]}
-     * → {freeView,postDiscount,distRate,benefits[]}
-     * 未被传入的字段保持原值；freeView <0 报错
+     * AMB2 会员权益配置（兜底默认值；各套餐的浏览/拨打次数以 fc_plan 为准）
+     * POST /api/v1/admin/member/benefit 入参 {viewQuota,callQuota,postDiscount,distRate,benefits[]}
+     * → {viewQuota,callQuota,postDiscount,distRate,benefits[]}
+     * 未被传入的字段保持原值；次数 <0 报错
      */
     public function saveBenefit()
     {
@@ -69,12 +69,23 @@ class AdminMember extends V1
             $current = [];
         }
 
-        $freeView = $this->input('freeView', null);
-        if ($freeView !== null && $freeView !== '') {
-            if ((int)$freeView < 0) {
-                $this->fail('免费查看条数不能为负');
+        $viewQuota = $this->input('viewQuota', null);
+        if ($viewQuota === null) {
+            $viewQuota = $this->input('freeView', null); // 兼容旧字段
+        }
+        if ($viewQuota !== null && $viewQuota !== '') {
+            if ((int)$viewQuota < 0) {
+                $this->fail('每日浏览条数不能为负');
             }
-            $current['freeView'] = (int)$freeView;
+            $current['viewQuota'] = (int)$viewQuota;
+        }
+
+        $callQuota = $this->input('callQuota', null);
+        if ($callQuota !== null && $callQuota !== '') {
+            if ((int)$callQuota < 0) {
+                $this->fail('每日拨打次数不能为负');
+            }
+            $current['callQuota'] = (int)$callQuota;
         }
 
         $postDiscount = $this->input('postDiscount', null);
@@ -101,7 +112,8 @@ class AdminMember extends V1
         }
 
         $defaults = [
-            'freeView'     => 20,
+            'viewQuota'    => 20,
+            'callQuota'    => 30,
             'postDiscount' => '8 折',
             'distRate'     => '一级 20% / 二级 10%',
             'benefits'     => [],
@@ -112,7 +124,8 @@ class AdminMember extends V1
         $this->adminLog('修改会员权益配置');
 
         $this->ok([
-            'freeView'     => (int)$current['freeView'],
+            'viewQuota'    => (int)$current['viewQuota'],
+            'callQuota'    => (int)$current['callQuota'],
             'postDiscount' => (string)$current['postDiscount'],
             'distRate'     => (string)$current['distRate'],
             'benefits'     => array_values((array)$current['benefits']),