chore(admin-web): rewrite media view copy without internal table names

Replace developer-facing references to platform_accounts with
user-friendly wording about bound desktop client accounts.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/admin-web/src/views/MediaView.vue

@@ -291,7 +291,7 @@ async function refreshAll(): Promise<void> {
       <div class="media-view__header">
         <div class="media-view__header-title">
           <h2>{{ t("route.media.title") }}</h2>
-          <p>这里展示 `platform_accounts` 里当前用户已绑定的桌面媒体账号，以及它们是否能立即发布、离线排队或需要处理。</p>
+          <p>这里展示客户端里当前用户已绑定的媒体账号，以及展示它们是否能立即发布、离线排队或需要处理。</p>
         </div>
         <div class="media-view__header-actions">
           <a-button :loading="refreshing" @click="refreshAll">
@@ -345,7 +345,6 @@ async function refreshAll(): Promise<void> {
 
       <div class="media-list-header">
         <h3 class="panel-title">已绑定媒体账号</h3>
-        <p class="panel-desc">只展示当前用户已经写入 `platform_accounts` 的账号，本地没有 session / partition 的账号不会出现在这里。</p>
       </div>
 
       <a-spin :spinning="loading">