feat: 俱乐部配置页展示 APIv2 mch_key 与 APIv3 api_v3_key 及配置警告

与后端 club-manage 对齐，区分小程序收款密钥与提现转账密钥。

Co-authored-by: Cursor <cursoragent@cursor.com>

src/views/admin/ClubConfig.vue

@@ -50,24 +50,47 @@
         <el-input v-model="form.wx_secret" type="password" show-password placeholder="小程序 Secret" />
       </el-form-item>
 
-      <el-divider content-position="left">微信支付</el-divider>
+      <el-divider content-position="left">微信支付（同一商户号，V2 收款 / V3 提现 密钥分开配）</el-divider>
       <el-form-item label="商户号 mch_id">
         <el-input v-model="form.mch_id" />
       </el-form-item>
       <el-form-item label="pay_app_id">
-        <el-input v-model="form.pay_app_id" />
+        <el-input v-model="form.pay_app_id" placeholder="可与 wx_appid 相同，或留空" />
       </el-form-item>
-      <el-form-item label="api_v3_key">
-        <el-input v-model="form.api_v3_key" type="password" show-password />
+      <el-form-item label="APIv2 密钥 mch_key">
+        <el-input
+          v-model="form.mch_key"
+          type="password"
+          show-password
+          placeholder="小程序 JSAPI 收款（会员/点单/押金等）"
+        />
+        <div class="field-help">微信商户平台 → API安全 → 设置APIv2密钥。与下方 APIv3 不是同一个。</div>
       </el-form-item>
+      <el-form-item label="APIv3 密钥 api_v3_key">
+        <el-input
+          v-model="form.api_v3_key"
+          type="password"
+          show-password
+          placeholder="自动提现 / 转账到零钱 / 回调解密"
+        />
+        <div class="field-help">微信商户平台 → API安全 → 设置APIv3密钥。仅用于提现，不用于小程序收款。</div>
+      </el-form-item>
+      <el-alert
+        v-if="payWarnings.length"
+        type="warning"
+        :closable="false"
+        show-icon
+        class="pay-warn"
+        :title="payWarnings.join('；')"
+      />
       <el-form-item label="cert_serial_no">
-        <el-input v-model="form.cert_serial_no" />
+        <el-input v-model="form.cert_serial_no" placeholder="APIv3 商户证书序列号（提现签名用）" />
       </el-form-item>
       <el-form-item label="private_key_path">
-        <el-input v-model="form.private_key_path" placeholder="服务器上私钥文件路径" />
+        <el-input v-model="form.private_key_path" placeholder="服务器上 apiclient_key.pem 路径（提现签名用）" />
       </el-form-item>
       <el-form-item label="platform_cert_dir">
-        <el-input v-model="form.platform_cert_dir" placeholder="平台证书目录" />
+        <el-input v-model="form.platform_cert_dir" placeholder="微信平台证书目录（提现回调验签用）" />
       </el-form-item>
 
       <el-divider content-position="left">服务号</el-divider>
@@ -126,12 +149,14 @@ const createForm = reactive({
   wx_appid: '',
   from_club: 'xq',
 })
+const payWarnings = ref([])
 const form = reactive({
   name: '',
   wx_appid: '',
   wx_secret: '',
   mch_id: '',
   pay_app_id: '',
+  mch_key: '',
   api_v3_key: '',
   cert_serial_no: '',
   private_key_path: '',
@@ -173,6 +198,7 @@ const loadClub = async () => {
     })
     if (res.code === 0 && res.data) {
       Object.assign(form, res.data)
+      payWarnings.value = (res.data.pay_config && res.data.pay_config.warnings) || []
     } else {
       ElMessage.error(res.msg || '加载失败')
     }
@@ -266,4 +292,13 @@ onMounted(async () => {
 .config-form {
   max-width: 720px;
 }
+.field-help {
+  font-size: 12px;
+  color: #909399;
+  line-height: 1.5;
+  margin-top: 4px;
+}
+.pay-warn {
+  margin-bottom: 16px;
+}
 </style>