fix(login): 退出登录/切号彻底清除 uid 与 username 登录态

logout=1 仅清 token，uid 残留会被 main.ts 守卫当已登录自动带回首页，导致退出无效

frontend-vue/src/pages/brand/components/BrandBrandTab.vue

@@ -40,16 +40,7 @@
           </div>
 
           <div class="section-title">运行方式</div>
-          <div class="run-mode-zone">
-            <label class="run-mode-row">
-              <input type="radio" name="brand-run-mode" value="immediate" v-model="runMode" />
-              <span class="run-mode-text">立即执行（前台运行，可实时取消）</span>
-            </label>
-            <label class="run-mode-row">
-              <input type="radio" name="brand-run-mode" value="queue" v-model="runMode" />
-              <span class="run-mode-text">添加到任务队列（后台排队执行）</span>
-            </label>
-          </div>
+          <p class="loading-msg">提交后立即开始检测，可在右侧任务列表查看进度或取消。</p>
 
           <div class="run-row">
             <button
@@ -58,7 +49,7 @@
               :disabled="!selectedPaths.length || submitting || !hasBridge || !hasUid"
               @click="submitRun"
             >
-              {{ submitting ? '提交中...' : runMode === 'immediate' ? '立即运行品牌检测' : '添加到任务队列' }}
+              {{ submitting ? '提交中...' : '立即运行品牌检测' }}
             </button>
           </div>
           <p v-if="!hasBridge || !hasUid" class="env-tip">
@@ -121,7 +112,6 @@ import type { TaskItemView, TaskStatCard } from '@/shared/components/tasks/types
 import { getPywebviewApi } from '@/shared/bridges/pywebview'
 import {
   cancelBrandTask,
-  createBrandTask,
   deleteBrandTask,
   getBrandTaskDownloadUrl,
   getBrandTasks,
@@ -136,7 +126,6 @@ import type { BrandExpandFolderItem } from '@/shared/api/types/modules/brand'
 
 const uploadedFiles = ref<UploadFileVo[]>([])
 const strategy = ref<'Terms' | 'Simple'>('Terms')
-const runMode = ref<'immediate' | 'queue'>('immediate')
 const submitting = ref(false)
 const tasks = ref<BrandTaskItem[]>([])
 
@@ -364,20 +353,11 @@ async function submitRun() {
       relativePath: f.relativePath,
       fileUrl: f.url || f.localPath,
     }))
-    if (runMode.value === 'immediate') {
-      const res = await runBrandNow(files, strategy.value)
-      if (res.success && res.task_id) {
-        ElMessage.success(`已创建任务 ${res.task_id}，客户端开始检测`)
-      } else {
-        throw new Error((res as { error?: string }).error || '运行失败')
-      }
+    const res = await runBrandNow(files, strategy.value)
+    if (res.success && res.task_id) {
+      ElMessage.success(`已创建任务 ${res.task_id}，开始检测`)
     } else {
-      const res = await createBrandTask(files, strategy.value)
-      if (res.success && res.task_id) {
-        ElMessage.success(`任务 ${res.task_id} 已添加到队列`)
-      } else {
-        throw new Error((res as { error?: string }).error || '添加失败')
-      }
+      throw new Error((res as { error?: string }).error || '运行失败')
     }
     uploadedFiles.value = []
     await loadTasks()

frontend-vue/src/pages/login/DesktopLoginPage.vue

@@ -178,8 +178,11 @@ async function submitLogin() {
 onMounted(() => {
   const params = new URLSearchParams(window.location.search || '')
   if (params.get('logout') === '1' || params.get('switch') === '1') {
+    // 登出/切号：uid 不彻底清除会被路由守卫当“已登录”自动带回首页（见 src/main.ts 守卫）
     try {
       window.localStorage.removeItem(AUTH_TOKEN_KEY)
+      window.localStorage.removeItem('uid')
+      window.localStorage.removeItem('username')
     } catch {
       /* 忽略 */
     }