feat(settings): link feature toggles to their config pages

Channel Monitor card now links to 渠道管理 > 渠道监控 and the Available
Channels card links to 渠道管理 > 渠道定价 so admins know where to go
after flipping the switch.

frontend/src/api/admin/settings.ts

@@ -473,6 +473,9 @@ export interface SystemSettings {
   // Channel Monitor feature switch
   channel_monitor_enabled: boolean;
   channel_monitor_default_interval_seconds: number;
+
+  // Available Channels feature switch
+  available_channels_enabled: boolean;
 }
 
 export interface UpdateSettingsRequest {
@@ -626,6 +629,9 @@ export interface UpdateSettingsRequest {
   // Channel Monitor feature switch
   channel_monitor_enabled?: boolean;
   channel_monitor_default_interval_seconds?: number;
+
+  // Available Channels feature switch
+  available_channels_enabled?: boolean;
 }
 
 /**

frontend/src/i18n/locales/en.ts

@@ -4675,11 +4675,19 @@ export default {
         channelMonitor: {
           title: 'Channel Monitor',
           description: 'Periodically probe configured channels and surface availability / latency to users. Turning it off stops the scheduler and returns an empty list on the user page.',
+          configureLink: 'Configure monitors in Channel Management > Channel Monitor',
           enabled: 'Enable Channel Monitor',
           enabledHint: 'Disabling stops background checks; existing history is preserved.',
           defaultInterval: 'Default check interval (seconds)',
           defaultIntervalHint: 'Pre-fills the interval when creating a new monitor; each monitor can override it. Range 15 – 3600.',
         },
+        availableChannels: {
+          title: 'Available Channels',
+          description: 'Show logged-in users an aggregate view of the channels, models and pricing they can access. Disabled by default.',
+          configureLink: 'Configure model pricing in Channel Management > Channel Pricing',
+          enabled: 'Enable Available Channels',
+          enabledHint: 'When off, the sidebar entry is hidden and the endpoint returns an empty list.',
+        },
       },
       emailTabDisabledTitle: 'Email Verification Not Enabled',
       emailTabDisabledHint: 'Enable email verification in the Security tab to configure SMTP settings.',

frontend/src/i18n/locales/zh.ts

@@ -4840,11 +4840,19 @@ export default {
         channelMonitor: {
           title: '渠道监控',
           description: '定期对配置的渠道发起健康检查，向用户展示可用性与延迟。关闭后调度器停止扫描，用户端列表为空。',
+          configureLink: '前往 渠道管理 > 渠道监控 配置监控项',
           enabled: '启用渠道监控',
           enabledHint: '关闭后后台不再执行定时检测，已有数据保留。',
           defaultInterval: '默认检测间隔（秒）',
           defaultIntervalHint: '新建渠道监控时表单的默认值，可被单个渠道覆盖。范围 15 – 3600 秒。',
         },
+        availableChannels: {
+          title: '可用渠道',
+          description: '向已登录用户展示他们能访问的渠道、模型和定价聚合视图。默认关闭。',
+          configureLink: '前往 渠道管理 > 渠道定价 配置模型价格',
+          enabled: '启用可用渠道',
+          enabledHint: '关闭后用户端侧边栏入口隐藏，接口返回空数组。',
+        },
       },
       emailTabDisabledTitle: '邮箱验证未启用',
       emailTabDisabledHint: '请在「安全与认证」选项卡中启用邮箱验证后，再配置 SMTP 设置。',

frontend/src/views/admin/SettingsView.vue

@@ -3760,6 +3760,15 @@
             <p class="mt-1 text-sm text-gray-500 dark:text-gray-400">
               {{ t('admin.settings.features.channelMonitor.description') }}
             </p>
+            <p class="mt-1.5 text-xs">
+              <router-link
+                to="/admin/channels/monitor"
+                class="inline-flex items-center gap-1 text-primary-600 hover:underline dark:text-primary-400"
+              >
+                {{ t('admin.settings.features.channelMonitor.configureLink') }}
+                <span aria-hidden="true">→</span>
+              </router-link>
+            </p>
           </div>
           <div class="space-y-5 p-6">
             <div class="flex items-center justify-between">
@@ -3793,6 +3802,39 @@
           </div>
         </div>
 
+        <div class="card">
+          <div class="border-b border-gray-100 px-6 py-4 dark:border-dark-700">
+            <h2 class="text-lg font-semibold text-gray-900 dark:text-white">
+              {{ t('admin.settings.features.availableChannels.title') }}
+            </h2>
+            <p class="mt-1 text-sm text-gray-500 dark:text-gray-400">
+              {{ t('admin.settings.features.availableChannels.description') }}
+            </p>
+            <p class="mt-1.5 text-xs">
+              <router-link
+                to="/admin/channels/pricing"
+                class="inline-flex items-center gap-1 text-primary-600 hover:underline dark:text-primary-400"
+              >
+                {{ t('admin.settings.features.availableChannels.configureLink') }}
+                <span aria-hidden="true">→</span>
+              </router-link>
+            </p>
+          </div>
+          <div class="space-y-5 p-6">
+            <div class="flex items-center justify-between">
+              <div>
+                <label class="text-sm font-medium text-gray-700 dark:text-gray-300">
+                  {{ t('admin.settings.features.availableChannels.enabled') }}
+                </label>
+                <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-400">
+                  {{ t('admin.settings.features.availableChannels.enabledHint') }}
+                </p>
+              </div>
+              <Toggle v-model="form.available_channels_enabled" />
+            </div>
+          </div>
+        </div>
+
         </div><!-- /Tab: Features -->
 
         <!-- Tab: Email -->
@@ -5056,6 +5098,8 @@ const form = reactive<SettingsForm>({
   // Channel Monitor feature switch
   channel_monitor_enabled: true,
   channel_monitor_default_interval_seconds: 60,
+  // Available Channels feature switch
+  available_channels_enabled: false,
 });
 
 const authSourceDefaults = reactive<AuthSourceDefaultsState>(
@@ -5967,6 +6011,8 @@ async function saveSettings() {
       channel_monitor_enabled: form.channel_monitor_enabled,
       channel_monitor_default_interval_seconds:
         Number(form.channel_monitor_default_interval_seconds) || 60,
+      // Available Channels feature switch
+      available_channels_enabled: form.available_channels_enabled,
     };
 
     appendAuthSourceDefaultsToUpdateRequest(payload, authSourceDefaults);