fix: match Today approved prototype

frontend/src/App.vue

@@ -1432,7 +1432,7 @@ onUnmounted(() => {
       <small v-if="error" role="alert">{{ error }}</small>
     </section>
   </div>
-  <div v-else class="shell" :class="{ 'sidebar-collapsed': sidebarCollapsed, 'detail-open': Boolean(selectedTask), 'memo-detail-open': activeView==='memos' && memoDetailOpen, 'mobile-sidebar-open': mobileSidebar }">
+  <div v-else class="shell" :class="{ 'today-active': activeView==='today', 'sidebar-collapsed': sidebarCollapsed, 'detail-open': Boolean(selectedTask), 'memo-detail-open': activeView==='memos' && memoDetailOpen, 'mobile-sidebar-open': mobileSidebar }">
     <div v-if="mobileSidebar || mobileDetail" class="scrim" @click="mobileSidebar=false;mobileDetail=false" />
     <aside class="sidebar" :inert="memoBackgroundInert ? true : undefined" :class="{ open: mobileSidebar }" @keydown.esc="sidebarCreateOpen=false;closeArchivedListAction();closeSidebarAction()">
       <div class="brand-row"><div class="brand small brand-lockup"><img class="brand-logo" src="/dodo-logo.svg" alt=""><span class="brand-wordmark">dodo</span></div><button class="icon mobile-only" aria-label="关闭菜单" @click="mobileSidebar=false"><X /></button></div>
@@ -1532,14 +1532,14 @@ onUnmounted(() => {
         </section>
         <template v-if="activeView==='today'">
           <section v-if="overdueTaskTree.length" class="overdue-section today-collapsible-section">
-            <button id="today-overdue-heading" class="today-section-toggle" type="button" :aria-expanded="!todaySectionCollapse.overdue" aria-controls="today-overdue" @click="toggleTodaySection('overdue')"><span class="today-section-title">逾期</span><span class="today-section-summary">{{overdueTaskTree.length}} 项</span><ChevronRight v-if="todaySectionCollapse.overdue" aria-hidden="true"/><ChevronDown v-else aria-hidden="true"/></button>
+            <button id="today-overdue-heading" class="today-section-toggle" type="button" :aria-expanded="!todaySectionCollapse.overdue" aria-controls="today-overdue" @click="toggleTodaySection('overdue')"><span class="today-section-title">逾期</span><span class="today-section-summary">{{overdueTaskTree.length}}</span><span class="today-section-chevron" aria-hidden="true">{{ todaySectionCollapse.overdue ? '›' : '⌄' }}</span></button>
             <div v-show="!todaySectionCollapse.overdue" id="today-overdue" class="task-list overdue-list" role="region" aria-labelledby="today-overdue-heading">
               <template v-for="node in overdueTaskTree" :key="`overdue-${node.task.id}`">
                 <article :data-task-id="node.task.id" class="task-row overdue-task swipeable" :class="{'just-completed':justCompletedTaskIds.has(node.task.id),'completion-exiting':completionExitingTaskIds.has(node.task.id),ready:Math.abs(taskSwipeOffsets[node.task.id] ?? 0) >= 64}" :style="{ '--swipe-x': `${taskSwipeOffsets[node.task.id] ?? 0}px` }" @pointerdown="startTaskPointer(node.task, $event)" @pointermove="moveTaskPointer(node.task, $event)" @pointerup="finishTaskPointer(node.task, $event)" @pointercancel="cancelTaskPointer(node.task)" @touchstart.passive="startTaskSwipe(node.task, $event)" @touchmove.passive="moveTaskSwipe(node.task, $event)" @touchend="finishTaskSwipe(node.task, $event)" @touchcancel="cancelTaskSwipe(node.task)"><button class="task-check" :aria-label="`完成${node.task.title}`" :aria-pressed="false" @click.stop="toggle(node.task)"><span class="task-check-mark" :class="`p${node.task.priority}`"></span></button><div class="task-main" role="button" tabindex="0" @click="selectTaskUnlessSwiped(node.task)" @keydown.enter="selectTaskUnlessSwiped(node.task)" @keydown.space.prevent="selectTaskUnlessSwiped(node.task)"><strong :title="node.task.title">{{node.task.title}}</strong><span v-if="node.subtasks.length" class="meta"><span class="meta-item"><ListChecks/>{{node.subtasks.filter(t=>t.completed).length}}/{{node.subtasks.length}}</span></span></div><span v-if="node.task.due_at" class="task-tail"><TaskDueDisplay :due-at="node.task.due_at" :due-has-time="node.task.due_has_time" :completed="node.task.completed" :now-ms="taskDueNowMs" /></span></article>
               </template>
             </div>
           </section>
-          <button id="today-tasks-heading" class="today-section-toggle today-section-anchor" type="button" :aria-expanded="!todaySectionCollapse.tasks" aria-controls="today-tasks" @click="toggleTodaySection('tasks')"><span class="today-section-title">今天</span><span class="today-section-summary">{{totalTasks}} 项</span><ChevronRight v-if="todaySectionCollapse.tasks" aria-hidden="true"/><ChevronDown v-else aria-hidden="true"/></button>
+          <button id="today-tasks-heading" class="today-section-toggle today-section-anchor" type="button" :aria-expanded="!todaySectionCollapse.tasks" aria-controls="today-tasks" @click="toggleTodaySection('tasks')"><span class="today-section-title">今天</span><span class="today-section-summary">{{totalTasks}}</span><span class="today-section-chevron" aria-hidden="true">{{ todaySectionCollapse.tasks ? '›' : '⌄' }}</span></button>
         </template>
       <div v-if="activeView!=='today'" class="list-toolbar"><span v-if="activeView==='trash' || totalPages > 1 || totalTasks > 0">{{ totalPages > 1 ? `第 ${page} / ${totalPages} 页 · ` : '' }}共 {{totalTasks}} 项</span><span class="list-toolbar-actions"><button v-if="query" class="link" @click="query=''">清除搜索</button><button v-if="taskReorderAvailable" class="soft-button reorder-mode-toggle task-reorder-toggle" type="button" :aria-pressed="taskReorderMode" @click="taskReorderMode=!taskReorderMode;cancelTaskReorder()">{{ taskReorderMode ? '完成' : '调整顺序' }}</button></span></div>
       <div v-if="activeView!=='trash' && totalPages > 1" class="pager"><button class="secondary" :disabled="page<=1 || loading" @click="previousPage">上一页</button><span>{{page}} / {{totalPages}}</span><button class="secondary" :disabled="page>=totalPages || loading" @click="nextPage">下一页</button></div>
@@ -1556,7 +1556,7 @@ onUnmounted(() => {
         <div v-else-if="!visibleTasks.length&&!loading" class="empty"><ListTodo/><b>{{ query ? '没有匹配的任务' : hiddenCompletedTaskCount > 0 ? '已完成任务已隐藏' : '这里还很安静' }}</b><span>{{query?'换个关键词试试':hiddenCompletedTaskCount > 0 ? '开启“显示已完成”即可查看。':'写下第一件想完成的小事吧'}}</span><button v-if="activeView==='today' && !query && hiddenCompletedTaskCount === 0" class="soft-button empty-action" @click="openTaskCompose"><Plus/>添加今天任务</button></div>
       </section>
       <div v-if="activeView==='today'" class="today-habits-section today-section-anchor">
-        <button id="today-habits-heading" class="today-section-toggle" type="button" :aria-expanded="!todaySectionCollapse.habits" aria-controls="today-habits" @click="toggleTodaySection('habits')"><span class="today-section-title">习惯</span><span class="today-section-summary">{{todayHabitCompleted}} / {{todayHabitTotal}}</span><ChevronRight v-if="todaySectionCollapse.habits" aria-hidden="true"/><ChevronDown v-else aria-hidden="true"/></button>
+        <button id="today-habits-heading" class="today-section-toggle" type="button" :aria-expanded="!todaySectionCollapse.habits" aria-controls="today-habits" @click="toggleTodaySection('habits')"><span class="today-section-title">习惯</span><span class="today-section-summary">{{todayHabitTotal}}</span><span class="today-section-chevron" aria-hidden="true">{{ todaySectionCollapse.habits ? '›' : '⌄' }}</span></button>
         <div v-show="!todaySectionCollapse.habits" id="today-habits" role="region" aria-labelledby="today-habits-heading">
           <MvpPanel ref="habitComposer" view="today-habits" :show-completed="showCompleted" @changed="refreshAll" @notice="toast" @summary="updateTodayHabitSummary" />
         </div>