fix: 已审核标签对viewer完全不可见

- EDITOR_ONLY_TAGS常量从recipes store导出，统一引用
- RecipeCard: viewer不显示已审核标签
- RecipeSearch: viewer搜索不匹配已审核标签
- RecipeManager: 标签筛选栏、配方行标签对viewer隐藏
- 所有标签按字母排序（已有）

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

frontend/src/views/RecipeSearch.vue

@@ -169,7 +169,7 @@ import { ref, computed, onMounted, nextTick, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { useAuthStore } from '../stores/auth'
 import { useOilsStore } from '../stores/oils'
-import { useRecipesStore } from '../stores/recipes'
+import { useRecipesStore, EDITOR_ONLY_TAGS } from '../stores/recipes'
 import { useDiaryStore } from '../stores/diary'
 import { useUiStore } from '../stores/ui'
 import { api } from '../composables/useApi'
@@ -315,7 +315,8 @@ const exactResults = computed(() => {
   const q = searchQuery.value.trim().toLowerCase()
   return recipeStore.recipes.filter(r => {
     const nameMatch = r.name.toLowerCase().includes(q)
-    const tagMatch = r.tags && r.tags.some(t => t.toLowerCase().includes(q))
+    const visibleTags = auth.canEdit ? (r.tags || []) : (r.tags || []).filter(t => !EDITOR_ONLY_TAGS.includes(t))
+    const tagMatch = visibleTags.some(t => t.toLowerCase().includes(q))
     return nameMatch || tagMatch
   }).sort((a, b) => a.name.localeCompare(b.name, 'zh'))
 })