fix: refine lunar countdown ui semantics and mobile add

frontend/src/CountdownPanel.vue

@@ -19,6 +19,24 @@ const currentYear = new Date().getFullYear()
 const freshForm = (): Form => ({ title:'', event_date:dateKey(new Date()), kind:'countdown', repeat_rule:'none', icon:'📅', calendar_mode:'solar', lunar_year:currentYear, lunar_month:1, lunar_day:1, leap_month:false, ignore_year:false })
 const form = ref<Form>(freshForm())
 
+function primaryDate(item: Countdown) {
+  // 农历项主信息用农历；否则公历。忽略年份/每年重复时副行给出换算公历日期。
+  if (item.calendar_mode === 'lunar' && item.lunar_text) return item.lunar_text
+  return formatDate(item.display_date)
+}
+function secondaryDate(item: Countdown) {
+  if (item.calendar_mode === 'lunar' && item.lunar_text) {
+    const suffix = item.ignore_year ? ' · 每年农历' : ''
+    return `${formatDate(item.display_date)} · ${item.lunar_text}${suffix}`
+  }
+  return ''
+}
+function repeatBadge(item: Countdown) {
+  if (item.calendar_mode === 'lunar') return item.ignore_year ? '每年' : (item.repeat_rule !== 'none' ? repeatLabel(item.repeat_rule) : '')
+  return item.repeat_rule !== 'none' ? repeatLabel(item.repeat_rule) : ''
+}
+
+
 async function request(path:string, options:RequestInit={}) {
   const headers:Record<string,string> = { ...(options.headers as Record<string,string> || {}) }
   if (options.body) headers['Content-Type'] = 'application/json'
@@ -29,7 +47,7 @@ async function request(path:string, options:RequestInit={}) {
 }
 async function safe(work:()=>Promise<void>) { busy.value=true; error.value=''; try { await work() } catch(reason) { error.value=reason instanceof Error ? reason.message : '请求失败' } finally { busy.value=false } }
 async function load() { await safe(async()=>{ const [a,b]=await Promise.all([request('/countdowns'),request('/countdowns?archived=true')]); items.value=a; archived.value=b }) }
-function add() { editingId.value=null; form.value=freshForm(); open.value=true }
+function add() { onAdd() }
 function edit(item:Countdown) {
   editingId.value=item.id
   form.value={ title:item.title, event_date:item.event_date, kind:item.kind, repeat_rule:item.repeat_rule, icon:item.icon, calendar_mode:item.calendar_mode, lunar_year:item.lunar_year || Number(item.event_date.slice(0,4)), lunar_month:Math.abs(item.lunar_month || 1), lunar_day:item.lunar_day || 1, leap_month:(item.lunar_month || 0)<0, ignore_year:item.ignore_year }
@@ -50,26 +68,28 @@ async function archiveItem(item:Countdown){await safe(async()=>{await request(`/
 async function restore(item:Countdown){await safe(async()=>{await request(`/countdowns/${item.id}/restore`,{method:'POST'});await load();emit('notice','已恢复')})}
 async function purge(item:Countdown){if(!confirm(`永久删除“${item.title}”？这个操作不能撤销。`))return;await safe(async()=>{await request(`/countdowns/${item.id}/purge`,{method:'DELETE'});await load();emit('notice','已永久删除')})}
 function formatDate(value:string){const [y,m,d]=value.split('-');return `${y}年${Number(m)}月${Number(d)}日`}
+function formatDateShort(value:string){const [y,m,d]=value.split('-');return `${y}/${Number(m)}/${Number(d)}`}
 function repeatLabel(value:Countdown['repeat_rule']){return({none:'不重复',weekly:'每周',monthly:'每月',yearly:'每年'})[value]}
+function onAdd(){editingId.value=null;form.value=freshForm();open.value=true}
 onMounted(load)
 </script>
 
 <template>
   <section class="countdown-view" :class="{ loading:busy }">
-    <header class="countdown-hero"><div><small>记住值得期待与纪念的日子</small><h2>倒数日</h2></div><button class="countdown-add" @click="add"><Plus/>添加日子</button></header>
+    <header class="countdown-hero"><div><small>记住值得期待与纪念的日子</small><h2>倒数日</h2></div><button class="countdown-add" @click="onAdd"><Plus/>添加日子</button></header>
     <p v-if="error" class="inline-error">{{error}}</p>
     <div class="countdown-grid">
       <article v-for="item in items" :key="item.id" class="countdown-card" :class="{ pinned:item.pinned }">
-        <div class="countdown-card-head"><span class="countdown-icon">{{item.icon}}</span><span class="countdown-type">{{countdownKindLabel(item.kind)}}</span><span v-if="item.calendar_mode==='lunar'" class="countdown-type">农历</span><Pin v-if="item.pinned" class="pinned-icon"/></div>
+        <div class="countdown-card-head"><span class="countdown-icon">{{item.icon}}</span><span class="countdown-type">{{countdownKindLabel(item.kind)}}</span><span v-if="item.calendar_mode==='lunar'" class="countdown-type">农历</span><span v-if="repeatBadge(item)" class="countdown-type">{{repeatBadge(item)}}</span><Pin v-if="item.pinned" class="pinned-icon"/></div>
         <h3>{{item.title}}</h3><div class="countdown-number"><strong>{{Math.abs(item.days)}}</strong><span v-if="item.days!==0">天</span></div><b class="countdown-copy">{{countdownDayText(item.days)}}</b>
-        <p>{{formatDate(item.display_date)}}<span v-if="item.repeat_rule!=='none'"> · {{repeatLabel(item.repeat_rule)}}</span></p>
-        <p v-if="item.lunar_text"><span class="countdown-type">{{item.lunar_text}}</span><span v-if="item.ignore_year"> · 每年农历</span></p>
+        <p><b>{{primaryDate(item)}}</b><span v-if="secondaryDate(item)"> · {{secondaryDate(item)}}</span></p>
         <div class="countdown-actions"><button v-if="!item.pinned" @click="pin(item)"><Pin/>置顶</button><button @click="edit(item)"><Pencil/>编辑</button><button @click="archiveItem(item)"><Archive/>归档</button></div>
       </article>
-      <button v-if="!items.length&&!busy" class="countdown-empty" @click="add"><CalendarHeart/><b>添加第一个重要日子</b><span>生日、纪念日，或一场期待已久的旅行</span></button>
+      <button v-if="!items.length&&!busy" class="countdown-empty" @click="onAdd"><CalendarHeart/><b>添加第一个重要日子</b><span>生日、纪念日，或一场期待已久的旅行</span></button>
     </div>
     <button v-if="archived.length" class="archived-toggle" @click="showArchived=!showArchived"><ArchiveRestore/>已归档（{{archived.length}}）</button>
-    <div v-if="showArchived" class="archived-countdowns"><article v-for="item in archived" :key="item.id"><span>{{item.icon}}</span><b>{{item.title}}</b><small>{{formatDate(item.event_date)}}<template v-if="item.lunar_text"> · {{item.lunar_text}}</template></small><button @click="restore(item)"><ArchiveRestore/>恢复</button><button class="danger-text" @click="purge(item)"><Trash2/>永久删除</button></article></div>
+    <div v-if="showArchived" class="archived-countdowns"><article v-for="item in archived" :key="item.id"><span>{{item.icon}}</span><b>{{item.title}}</b><small>{{formatDateShort(item.display_date)}}<template v-if="item.lunar_text"> · {{item.lunar_text}}</template><template v-if="item.calendar_mode==='lunar'"> · 农历</template></small><button @click="restore(item)"><ArchiveRestore/>恢复</button><button class="danger-text" @click="purge(item)"><Trash2/>永久删除</button></article></div>
+    <button class="fab countdown-fab mobile-only" aria-label="添加倒数日" @click="add"><Plus/></button>
     <div v-if="open" class="countdown-modal-mask" @click.self="open=false"><form class="countdown-modal" role="dialog" aria-modal="true" @submit.prevent="save">
       <header><div><small>{{editingId?'调整重要日子':'记下重要日子'}}</small><h3>{{editingId?'编辑倒数日':'新建倒数日'}}</h3></div><button type="button" aria-label="关闭" @click="open=false"><X/></button></header>
       <label>图标与名称<div class="countdown-title-fields"><input v-model="form.icon" maxlength="8" aria-label="图标"><input v-model="form.title" maxlength="200" required placeholder="例如：去北海道旅行" autofocus></div></label>
@@ -80,7 +100,7 @@ onMounted(load)
         <label>月份<select v-model.number="form.lunar_month"><option v-for="month in 12" :key="month" :value="month">{{month}}月</option></select></label>
         <label>日期<select v-model.number="form.lunar_day"><option v-for="day in 30" :key="day" :value="day">{{day}}日</option></select></label>
       </div>
-      <label v-if="form.calendar_mode==='lunar'"><input v-model="form.leap_month" type="checkbox"> 闰月（负数月份编码）</label>
+      <label v-if="form.calendar_mode==='lunar'"><input v-model="form.leap_month" type="checkbox"> 闰月（如果是闰月，勾选这里）</label>
       <label><input v-model="form.ignore_year" type="checkbox"> 忽略年份<span v-if="form.calendar_mode==='lunar'">，每年按农历计算</span></label>
       <label>类型<select v-model="form.kind"><option value="countdown">倒数日</option><option value="anniversary">纪念日</option><option value="birthday">生日</option></select></label>
       <label>重复<select v-model="form.repeat_rule"><option value="none">不重复</option><option value="weekly">每周</option><option value="monthly">每月</option><option value="yearly">每年</option></select></label>