feat(contribution): 增强贡献模式逻辑，支持 SUB2API 和 CPA 源，优化状态处理和界面显示

sidepanel/sidepanel.html

@@ -115,11 +115,11 @@
           <option value="codex2api">Codex2API</option>
         </select>
       </div>
-      <div id="contribution-mode-panel" class="contribution-mode-panel" hidden>
-        <div class="contribution-mode-panel-header">
-          <span class="section-label">贡献模式</span>
-          <span class="contribution-mode-badge">CPA</span>
-        </div>
+        <div id="contribution-mode-panel" class="contribution-mode-panel" hidden>
+          <div class="contribution-mode-panel-header">
+            <span class="section-label">贡献模式</span>
+            <span id="contribution-mode-badge" class="contribution-mode-badge">CPA</span>
+          </div>
         <p id="contribution-mode-text" class="contribution-mode-text">
           当前账号将用于支持项目维护。扩展会自动申请贡献登录地址并持续跟踪授权状态；如检测到回调地址，会自动提交，无需手动复制。</p>
         <div class="data-row contribution-mode-field">