refactor(auth): 优化审核人身份管理及登出功能

@@ -565,7 +565,12 @@
 
     .sync-notice.show { display: block; }
 
-    #reviewerInput { width: 130px; }
+    #reviewerDisplay {
+          font-weight: 600;
+          color: var(--accent);
+          padding: 0 6px;
+        }
+        #logoutBtn { margin-left: 4px; padding: 2px 10px; font-size: 12px; }
 
     .login-overlay {
       position: fixed;
@@ -650,8 +655,8 @@
       </select>
       <button id="exportBtn">导出标注</button>
       <button id="importReviewedBtn">入库审核通过</button>
-      <label for="reviewerInput">审核人</label>
-      <input id="reviewerInput" maxlength="64" placeholder="昵称">
+      <span>审核人：</span><span id="reviewerDisplay"></span>
+      <button id="logoutBtn" class="secondary">登出</button>
       <button id="reloadBtn" class="secondary">刷新</button>
     </div>
   </header>
@@ -727,7 +732,8 @@
       pageSizeSelect: document.getElementById('pageSizeSelect'),
       exportBtn: document.getElementById('exportBtn'),
       importReviewedBtn: document.getElementById('importReviewedBtn'),
-      reviewerInput: document.getElementById('reviewerInput'),
+      reviewerDisplay: document.getElementById('reviewerDisplay'),
+            logoutBtn: document.getElementById('logoutBtn'),
       reloadBtn: document.getElementById('reloadBtn'),
       prevPageBtn: document.getElementById('prevPageBtn'),
       nextPageBtn: document.getElementById('nextPageBtn'),
@@ -782,7 +788,12 @@
             } else {
               localStorage.removeItem('l2AccessCode');
             }
-            els.reviewerInput.value = state.reviewer;
+            els.reviewerDisplay.textContent = state.reviewer;
+            // 恢复该审核人的 clientToken，保证未提交的领取记录可以继续操作
+            const savedToken = localStorage.getItem(`l2ClientToken:${state.reviewer}`);
+            state.clientToken = savedToken || newClientToken();
+            localStorage.setItem(`l2ClientToken:${state.reviewer}`, state.clientToken);
+            sessionStorage.setItem('l2ReviewClientToken', state.clientToken);
             els.loginAccessCode.value = '';
             els.loginOverlay.classList.add('hidden');
             resolve();
@@ -797,7 +808,8 @@
 
     async function initReviewerIdentity() {
       state.reviewer = (localStorage.getItem('l2ReviewerName') || '').trim();
-      state.clientToken = sessionStorage.getItem('l2ReviewClientToken') || newClientToken();
+      state.clientToken = localStorage.getItem(`l2ClientToken:${state.reviewer}`) || newClientToken();
+      localStorage.setItem(`l2ClientToken:${state.reviewer}`, state.clientToken);
       sessionStorage.setItem('l2ReviewClientToken', state.clientToken);
       state.authToken = sessionStorage.getItem('l2ReviewAuthToken') || '';
       els.loginReviewer.value = state.reviewer;
@@ -814,7 +826,7 @@
             session_token: state.authToken
           });
           state.authToken = session.session_token;
-          els.reviewerInput.value = state.reviewer;
+          els.reviewerDisplay.textContent = state.reviewer;
           els.loginOverlay.classList.add('hidden');
           return;
         } catch {
@@ -1709,23 +1721,16 @@
     }
 
     els.runSelect.addEventListener('change', () => loadRun(els.runSelect.value));
-    els.reviewerInput.addEventListener('change', async () => {
-      const nextReviewer = els.reviewerInput.value.trim();
-      if (!nextReviewer) {
-        els.reviewerInput.value = state.reviewer;
-        return;
-      }
+    els.logoutBtn.addEventListener('click', async () => {
       if (currentQuery()?.review_claimed_by === state.reviewer) {
-        alert('请先完成当前审核，或等待领取过期后再切换审核人。');
-        els.reviewerInput.value = state.reviewer;
-        return;
+        if (!confirm('当前还有未提交的审核记录，确认登出？\n登出后领取将自然过期，其他人可重新领取。')) return;
       }
-      els.reviewerInput.value = state.reviewer;
       sessionStorage.removeItem('l2ReviewAuthToken');
       state.authToken = '';
-      await showReviewLogin(nextReviewer);
-      state.clientToken = newClientToken();
-      sessionStorage.setItem('l2ReviewClientToken', state.clientToken);
+      state.reviewer = '';
+      els.reviewerDisplay.textContent = '';
+      await showReviewLogin();
+      // 不重置 clientToken，登出后同名称登录可继续操作已领取的记录
       await loadGroups();
       renderAll();
     });