feat: 添加新建任务按钮功能，聚焦待办列输入框

src/components/AppNav.spec.ts

@@ -46,6 +46,16 @@ describe('AppNav 导航', () => {
     expect(links[1]?.attributes('aria-current')).toBe('page')
   })
 
+  it('当前入口用主色（sky-700）铺底，与实心主按钮同一套色', async () => {
+    const { wrapper } = await setup('/today')
+    const [board, today] = wrapper.findAll('a')
+
+    expect(today?.classes()).toContain('bg-sky-700')
+    // 早先是接近黑的 slate-900，与页面主色脱节
+    expect(today?.classes()).not.toContain('bg-slate-900')
+    expect(board?.classes()).not.toContain('bg-sky-700')
+  })
+
   it('点击可切换路由', async () => {
     const { wrapper, router } = await setup('/')
 

src/components/AppNav.vue

@@ -51,8 +51,8 @@ const LINKS = [
           class="shrink-0 rounded-md px-3 py-1.5 text-sm whitespace-nowrap transition"
           :class="
             isExactActive
-              ? 'bg-slate-900 font-medium text-white shadow-sm dark:bg-zinc-100 dark:text-zinc-900'
-              : 'text-slate-600 hover:bg-slate-100 hover:text-slate-900 dark:text-zinc-400 dark:hover:bg-zinc-800 dark:hover:text-zinc-100'
+              ? 'bg-sky-700 font-medium text-white shadow-sm dark:bg-sky-500 dark:text-slate-950'
+              : 'text-slate-600 hover:bg-sky-50 hover:text-sky-800 dark:text-zinc-400 dark:hover:bg-zinc-800 dark:hover:text-zinc-100'
           "
           :aria-current="isExactActive ? 'page' : undefined"
           @click="navigate"

src/components/BoardToolbar.spec.ts

@@ -189,6 +189,41 @@ describe('BoardToolbar 归档', () => {
   })
 })
 
+describe('BoardToolbar 主次按钮', () => {
+  beforeEach(() => {
+    setActivePinia(createPinia())
+  })
+
+  it('点击「新建任务」emit new-task', async () => {
+    const { wrapper } = setup()
+
+    await buttonByText(wrapper, '新建任务')?.trigger('click')
+
+    expect(wrapper.emitted('new-task')).toHaveLength(1)
+  })
+
+  it('实心主按钮只有「新建任务」，「批量添加」降为描边次要按钮', () => {
+    const { wrapper } = setup()
+
+    const primary = buttonByText(wrapper, '新建任务')
+    const batch = buttonByText(wrapper, '批量添加')
+
+    expect(primary?.classes()).toContain('bg-sky-700')
+    expect(primary?.classes()).toContain('text-white')
+    expect(batch?.classes()).toContain('bg-white')
+    expect(batch?.classes()).not.toContain('bg-sky-700')
+  })
+
+  it('「新建任务」在平板上仍带文字，不退化成纯图标', () => {
+    const { wrapper } = setup()
+
+    const button = buttonByText(wrapper, '新建任务')
+    // 主操作只在手机（<640）收成图标
+    expect(button?.find('span').classes()).toContain('max-sm:hidden')
+    expect(button?.classes()).not.toContain('max-lg:w-9')
+  })
+})
+
 describe('BoardToolbar 批量添加', () => {
   beforeEach(() => {
     setActivePinia(createPinia())

src/components/BoardToolbar.vue

@@ -14,6 +14,7 @@ defineProps<{ hiddenNote?: string; selecting?: boolean }>()
 
 const emit = defineEmits<{
   archive: []
+  'new-task': []
   'batch-add': []
   'toggle-select': []
   'manage-tags': []
@@ -177,11 +178,38 @@ defineExpose({ focusSearch })
         </button>
       </div>
 
-      <!-- 操作：主操作（批量添加）+ 两个视图开关，全部平铺，不再收进菜单 -->
+      <!--
+        操作：主操作（新建任务）+ 三个次要操作（批量添加 / 多选 / 显示归档）。
+        主次靠「实心 vs 描边」表达：真正高频的是「再加一条」，批量录入是偶发动作，
+        早先把它做成唯一实心按钮，把用户最常做的事藏进了每列的输入框。
+        新建任务在 ≥640 一律带文字（主操作不该在平板上退化成一个小图标），
+        三个次要操作在 <1024 收成图标，靠 title / aria-label 保留可访问名。
+      -->
       <div class="ml-auto flex shrink-0 items-center gap-1.5 max-sm:order-2">
         <button
           type="button"
-          class="flex h-9 items-center gap-1.5 rounded-lg bg-sky-700 px-3 text-[13px] font-medium whitespace-nowrap text-white transition hover:bg-sky-800 active:scale-[0.98] max-lg:w-9 max-lg:justify-center max-lg:px-0 dark:bg-sky-500 dark:text-slate-950 dark:hover:bg-sky-400"
+          class="flex h-9 items-center gap-1.5 rounded-lg bg-sky-700 px-3 text-[13px] font-medium whitespace-nowrap text-white transition hover:bg-sky-800 active:scale-[0.98] dark:bg-sky-500 dark:text-slate-950 dark:hover:bg-sky-400"
+          aria-label="新建任务"
+          title="新建任务（N）"
+          @click="emit('new-task')"
+        >
+          <svg
+            viewBox="0 0 20 20"
+            class="size-4 shrink-0"
+            fill="none"
+            stroke="currentColor"
+            stroke-width="1.7"
+            stroke-linecap="round"
+            aria-hidden="true"
+          >
+            <path d="M10 4.5v11M4.5 10h11" />
+          </svg>
+          <span class="max-sm:hidden">新建任务</span>
+        </button>
+
+        <button
+          type="button"
+          class="flex h-9 items-center gap-1.5 rounded-lg border border-slate-200 bg-white px-2.5 text-[13px] whitespace-nowrap text-slate-600 transition hover:border-slate-300 hover:bg-slate-50 max-lg:w-9 max-lg:justify-center max-lg:px-0 dark:border-zinc-700 dark:bg-zinc-900 dark:text-zinc-300 dark:hover:border-zinc-600 dark:hover:bg-zinc-800"
           aria-label="批量添加"
           title="批量添加"
           @click="emit('batch-add')"

src/components/TaskDetailDrawer.vue

@@ -249,34 +249,38 @@ function remove(): void {
         <TagInput v-model="tags" :suggestions="store.allTags" />
       </div>
 
-      <section
-        class="flex flex-col gap-2 rounded-md border border-slate-200 bg-slate-50/70 px-3 py-2.5 dark:border-zinc-800 dark:bg-zinc-800/40"
-        aria-labelledby="task-time-heading"
-      >
+      <!--
+        时间：标题与「标签」同级平铺，明细单独用一个描边框圈起来。
+        只靠字号（标题 text-sm / 明细 text-xs）分层，框只负责把只读信息
+        和上方的可编辑字段区分开，不参与层级表达。
+      -->
+      <section class="flex flex-col gap-1.5" aria-labelledby="task-time-heading">
         <h3 id="task-time-heading" class="text-sm font-medium text-slate-600 dark:text-zinc-400">
           时间
         </h3>
-        <dl class="grid grid-cols-[auto_1fr] gap-x-3 gap-y-1 text-xs">
+        <dl
+          class="grid grid-cols-[auto_1fr] items-baseline gap-x-3 gap-y-0.5 rounded-md border border-slate-300 px-3 py-2 text-xs dark:border-zinc-700"
+        >
           <dt class="text-slate-400 dark:text-zinc-500">创建</dt>
-          <dd data-role="created-at" class="text-slate-600 dark:text-zinc-300">
+          <dd data-role="created-at" class="tabular-nums text-slate-600 dark:text-zinc-300">
             {{ createdAtText ?? '—' }}
           </dd>
 
           <dt class="text-slate-400 dark:text-zinc-500">完成</dt>
-          <dd data-role="completed-at" class="text-slate-600 dark:text-zinc-300">
+          <dd data-role="completed-at" class="tabular-nums text-slate-600 dark:text-zinc-300">
             <span :class="completedAtText ? '' : 'text-slate-400 dark:text-zinc-500'">
               {{ completedLabel }}
             </span>
           </dd>
 
           <dt class="text-slate-400 dark:text-zinc-500">更新</dt>
-          <dd data-role="updated-at" class="text-slate-600 dark:text-zinc-300">
+          <dd data-role="updated-at" class="tabular-nums text-slate-600 dark:text-zinc-300">
             {{ updatedAtText ?? '—' }}
           </dd>
 
           <template v-if="archivedAtText">
             <dt class="text-slate-400 dark:text-zinc-500">归档</dt>
-            <dd data-role="archived-at" class="text-slate-600 dark:text-zinc-300">
+            <dd data-role="archived-at" class="tabular-nums text-slate-600 dark:text-zinc-300">
               {{ archivedAtText }}
             </dd>
           </template>