feat: add controlled plugin marketplace lifecycle

plugins/plugin-admin/ui/index.html

@@ -39,15 +39,33 @@
       <div class="toolbar">
         <div>
           <h2>已登记插件</h2>
-          <p class="muted">安装包会先验签、校验哈希和 Core 兼容性，再进入停用状态。</p>
+          <p class="muted">上传后只完成验签、哈希和 Core 兼容性校验并入库；点击启用后才会启动插件。</p>
         </div>
         <div class="toolbar-actions">
-          <label class="file-button">安装插件<input id="package-file" type="file" accept=".zip,.s2plugin,application/zip"></label>
+          <label class="file-button">上传并入库<input id="package-file" type="file" accept=".zip,.s2plugin,application/zip"></label>
           <button id="refresh" class="button button-secondary" type="button">刷新</button>
         </div>
       </div>
       <p id="notice" class="notice" role="status"></p>
-      <div id="plugins" class="plugin-list"></div>
+      <section class="marketplace-section" aria-labelledby="marketplace-heading">
+        <div class="section-heading">
+          <div>
+            <h2 id="marketplace-heading">插件市场</h2>
+            <p class="muted">从受控目录查看可安装版本。安装后仅入库，需在下方手动启用。</p>
+          </div>
+          <button id="marketplace-refresh" class="button button-secondary" type="button">刷新市场</button>
+        </div>
+        <div id="marketplace" class="marketplace-list" aria-live="polite"></div>
+      </section>
+      <section aria-labelledby="installed-heading">
+        <div class="section-heading installed-heading">
+          <div>
+            <h2 id="installed-heading">已入库插件</h2>
+            <p class="muted">启用、停用、升级、回滚和卸载均需在插件卡片中手动操作。</p>
+          </div>
+        </div>
+        <div id="plugins" class="plugin-list"></div>
+      </section>
       <section class="panel audit-panel">
         <div class="section-heading"><h2>操作审计</h2><button id="audit-refresh" class="button button-quiet" type="button">刷新</button></div>
         <div id="audit" class="audit-list"></div>