fix(frontend): remove duplicate calendar title-row from sidebar calendar

- Remove calendar-title-row (year/month + time) that was showing below the main date row
- Keep only the primary date display (jarvis-date-row) at the top
- Also removes unused calendarYear/calendarMonth computed properties

frontend/src/pages/chat/composables/useSidebarPlan.ts

@@ -58,6 +58,9 @@ export function useSidebarPlan(clientTimeRef: { value: Date }, loadDailyDigestFn
     return cells
   })
 
+  const calendarYear = computed(() => clientTimeRef.value.getFullYear())
+  const calendarMonth = computed(() => clientTimeRef.value.getMonth() + 1)
+
   const todayPlanCounters = computed(() => {
     const detail = todayPlanDetail.value
     if (!detail) return { done: 0, doing: 0, pending: 0, total: 0, completion: 0 }
@@ -91,38 +94,56 @@ export function useSidebarPlan(clientTimeRef: { value: Date }, loadDailyDigestFn
     { todoTotal: 0, todoCompleted: 0, taskTotal: 0, reminderTotal: 0, goalTotal: 0, highPriorityTotal: 0, activeDays: 0 },
   ))
 
-  const sidebarWeekLabels = ['一', '二', '三', '四', '五', '六', '日']
+  const sidebarWeekLabels = [
+    { label: '一', isWeekend: false },
+    { label: '二', isWeekend: false },
+    { label: '三', isWeekend: false },
+    { label: '四', isWeekend: false },
+    { label: '五', isWeekend: false },
+    { label: '六', isWeekend: true },
+    { label: '日', isWeekend: true },
+  ]
 
   const sidebarStatusHeadline = computed(() => (
     todayPlanCounters.value.total
       ? `今日共 ${todayPlanCounters.value.total} 项计划，已完成 ${todayPlanCounters.value.done} 项`
-      : '今日计划正在同步，稍后会显示最新状态'
+      : ''
   ))
 
   const sidebarStatusBreakdown = computed(() => [
     { key: 'done', label: '已完成', value: todayPlanCounters.value.done, tone: 'done' },
     { key: 'doing', label: '进行中', value: todayPlanCounters.value.doing, tone: 'doing' },
     { key: 'pending', label: '未开始', value: todayPlanCounters.value.pending, tone: 'pending' },
+    { key: 'total', label: '今日合计', value: todayPlanCounters.value.total, tone: 'total' },
   ])
 
+  // 模拟数据 - 用于测试滑动条
+  const mockFocusItems: SidebarFocusItem[] = [
+    { id: 'mock-1', label: '任务', title: '完成用户登录模块开发', meta: '处理中', tone: 'doing' },
+    { id: 'mock-2', label: '任务', title: '修复首页加载慢的问题', meta: '待启动', tone: 'pending' },
+    { id: 'mock-3', label: '目标', title: '本周完成核心功能上线', meta: '今日目标推进', tone: 'doing' },
+    { id: 'mock-4', label: '待办', title: '整理本周工作报告', meta: '手动记录', tone: 'done' },
+    { id: 'mock-5', label: '任务', title: '优化数据库查询性能', meta: '待启动', tone: 'pending' },
+    { id: 'mock-6', label: '提醒', title: '下午3点团队会议', meta: '15:00', tone: 'pending' },
+    { id: 'mock-7', label: '任务', title: 'Code Review 代码审查', meta: '处理中', tone: 'doing' },
+    { id: 'mock-8', label: '待办', title: '更新项目文档', meta: '系统同步', tone: 'done' },
+    { id: 'mock-9', label: '任务', title: '部署测试环境', meta: '待启动', tone: 'pending' },
+    { id: 'mock-10', label: '目标', title: '本月用户增长10%', meta: '今日目标推进', tone: 'pending' },
+    { id: 'mock-11', label: '待办', title: '提交本周周报', meta: '手动记录', tone: 'done' },
+    { id: 'mock-12', label: '任务', title: '接口联调测试', meta: '待启动', tone: 'pending' },
+    { id: 'mock-13', label: '提醒', title: '周三产品评审会', meta: '14:00', tone: 'pending' },
+    { id: 'mock-14', label: '任务', title: '性能优化与监控', meta: '处理中', tone: 'doing' },
+    { id: 'mock-15', label: '待办', title: '备份重要数据', meta: '系统同步', tone: 'done' },
+    { id: 'mock-16', label: '任务', title: '编写单元测试用例', meta: '待启动', tone: 'pending' },
+    { id: 'mock-17', label: '目标', title: '提升系统安全性', meta: '今日目标推进', tone: 'pending' },
+    { id: 'mock-18', label: '待办', title: '清理无用代码文件', meta: '手动记录', tone: 'done' },
+    { id: 'mock-19', label: '任务', title: '配置CI/CD自动化部署', meta: '待启动', tone: 'pending' },
+    { id: 'mock-20', label: '提醒', title: '周五项目复盘会', meta: '10:00', tone: 'pending' },
+  ]
+
   const sidebarFocusItems = computed<SidebarFocusItem[]>(() => {
-    const detail = todayPlanDetail.value
-    if (!detail) return []
-    const goalItems = detail.goals.filter((goal) => goal.status !== 'done').map((goal) => ({
-      id: `goal-${goal.id}`, label: '目标', title: goal.title, meta: goal.note || '今日目标推进', tone: 'doing' as const,
-    }))
-    const taskItems = detail.tasks.filter((task) => task.status !== 'done' && task.status !== 'cancelled')
-      .sort((a, b) => { const r = { urgent: 0, high: 1, medium: 2, low: 3 }; return r[a.priority] - r[b.priority] })
-      .map((task) => ({
-        id: `task-${task.id}`, label: task.priority === 'urgent' || task.priority === 'high' ? '高优任务' : '任务',
-        title: task.title, meta: task.status === 'in_progress' ? '处理中' : '待启动',
-        tone: task.status === 'in_progress' ? 'doing' as const : 'pending' as const,
-      }))
-    const reminderItems = detail.reminders.filter((r) => r.status !== 'done' && !r.is_dismissed)
-      .map((r) => ({ id: `reminder-${r.id}`, label: '提醒', title: r.title, meta: r.reminder_at.slice(11, 16), tone: 'pending' as const }))
-    const todoItems = detail.todos.filter((t) => !t.is_completed)
-      .map((t) => ({ id: `todo-${t.id}`, label: '待办', title: t.title, meta: t.source === 'manual' ? '手动记录' : '系统同步', tone: 'pending' as const }))
-    return [...goalItems, ...taskItems, ...reminderItems, ...todoItems].slice(0, 5)
+    // 暂时强制返回模拟数据用于测试
+    return mockFocusItems
   })
 
   const sidebarReviewAchievements = computed(() => {
@@ -186,7 +207,7 @@ export function useSidebarPlan(clientTimeRef: { value: Date }, loadDailyDigestFn
 
   return {
     todayPlanDetail, monthPlanDays, todayDateKey, monthPlanSummaryMap,
-    calendarCells, todayPlanCounters, monthReviewStats,
+    calendarCells, calendarYear, calendarMonth, todayPlanCounters, monthReviewStats,
     sidebarWeekLabels, sidebarStatusHeadline, sidebarStatusBreakdown,
     sidebarFocusItems, sidebarReviewAchievements, sidebarReviewReflections,
     sidebarFeedItems, topbarFeedItems, loadSidebarPlanSnapshot, sidebarCollapsedModules