feat: 已下架标签隐藏配方，搜索/列表/收藏均过滤

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

frontend/src/stores/recipes.js

@@ -2,7 +2,7 @@ import { defineStore } from 'pinia'
 import { ref } from 'vue'
 import { api } from '../composables/useApi'
 
-export const EDITOR_ONLY_TAGS = ['已审核']
+export const EDITOR_ONLY_TAGS = ['已审核', '已下架']
 
 export const useRecipesStore = defineStore('recipes', () => {
   const recipes = ref([])

frontend/src/views/RecipeSearch.vue

@@ -250,7 +250,7 @@ function slideCat(dir) {
 
 // Public recipes (all recipes in the public library)
 const filteredRecipes = computed(() => {
-  let list = recipeStore.recipes
+  let list = recipeStore.recipes.filter(r => !r.tags || !r.tags.includes('已下架'))
   if (selectedCategory.value) {
     list = list.filter(r => r.tags && r.tags.includes(selectedCategory.value))
   }
@@ -318,6 +318,7 @@ const exactResults = computed(() => {
   const q = searchQuery.value.trim().toLowerCase()
   const isEn = /^[a-zA-Z\s]+$/.test(q)
   return recipeStore.recipes.filter(r => {
+    if (r.tags && r.tags.includes('已下架')) return false
     const nameMatch = r.name.toLowerCase().includes(q)
     const enNameMatch = isEn && (r.en_name || '').toLowerCase().includes(q)
     const oilEnMatch = isEn && r.ingredients.some(ing => (oilEn(ing.oil) || '').toLowerCase().includes(q))
@@ -336,6 +337,7 @@ const similarResults = computed(() => {
   const terms = expandQuery(q).filter(t => t.length >= 2 || t === q)
 
   return recipeStore.recipes.filter(r => {
+    if (r.tags && r.tags.includes('已下架')) return false
     if (exactIds.has(r._id)) return false
     const name = r.name
     // Match by expanded synonyms (name only, not ingredients)
@@ -375,7 +377,7 @@ const myDiaryRecipes = computed(() => {
 
 const favoritesPreview = computed(() => {
   if (!auth.isLoggedIn) return []
-  let list = recipeStore.recipes.filter(r => recipeStore.isFavorite(r))
+  let list = recipeStore.recipes.filter(r => recipeStore.isFavorite(r) && !(r.tags && r.tags.includes('已下架')))
   if (searchQuery.value.trim()) {
     const q = searchQuery.value.trim().toLowerCase()
     list = list.filter(r => {