feat: 精油排序+容量显示+共享状态+注册日志+防误关

- 配方卡片精油按字母排序
- 配方卡片显示容量（单次/Xml）
- 管理员共享直接显示已共享
- 编辑overlay不会误关（去掉backdrop点击关闭）
- 注册记入活动日志
- 轮播分类已按tag_name匹配

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/components/RecipeCard.vue

@@ -5,6 +5,7 @@
       <span v-for="tag in visibleTags" :key="tag" class="tag" :class="{ 'tag-reviewed': tag === '已审核' }">{{ tag }}</span>
     </div>
     <div class="recipe-card-oils">{{ oilNames }}</div>
+    <span v-if="volumeLabel" class="recipe-card-volume">{{ volumeLabel }}</span>
     <div class="recipe-card-bottom">
       <div class="recipe-card-price">💰 {{ priceInfo.cost }}</div>
       <button
@@ -41,10 +42,20 @@ const visibleTags = computed(() => {
 })
 
 const oilNames = computed(() =>
-  props.recipe.ingredients.map(i => i.oil).join('、')
+  [...props.recipe.ingredients].sort((a, b) => a.oil.localeCompare(b.oil, 'zh')).map(i => i.oil).join('、')
 )
 const priceInfo = computed(() => oilsStore.fmtCostWithRetail(props.recipe.ingredients))
 const isFav = computed(() => recipesStore.isFavorite(props.recipe))
+
+const volumeLabel = computed(() => {
+  const ings = props.recipe.ingredients || []
+  const coco = ings.find(i => i.oil === '椰子油')
+  if (!coco || !coco.drops) return ''
+  const totalDrops = ings.reduce((s, i) => s + (i.drops || 0), 0)
+  const ml = totalDrops / 18.6
+  if (ml <= 2) return '单次'
+  return `${Math.round(ml)}ml`
+})
 </script>
 
 <style scoped>
@@ -98,6 +109,13 @@ const isFav = computed(() => recipesStore.isFavorite(props.recipe))
   line-height: 1.7;
 }
 
+.recipe-card-volume {
+  font-size: 10px;
+  color: #b0aab5;
+  display: block;
+  margin-bottom: 4px;
+}
+
 .recipe-card-bottom {
   display: flex;
   justify-content: space-between;