feat: 管理员/高级编辑可直接添加到公共库 + 已添加确认

- 管理员和高级编辑新增配方时弹出选择：公共配方库/个人配方
- 直接添加到公共库不走审核流程
- 普通用户仍然只能添加到个人配方
- "已添加"按钮点击前先确认

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

frontend/src/components/UserMenu.vue

@@ -141,6 +141,9 @@ function isReviewable(n) {
 }
 
 async function markAdded(n) {
+  const { showConfirm: confirm } = await import('../composables/useDialog')
+  const ok = await confirm('确认已添加该配方？将通知其他编辑者和搜索用户。')
+  if (!ok) return
   try {
     await api(`/api/notifications/${n.id}/added`, { method: 'POST' })
     n.is_read = 1

frontend/src/views/RecipeManager.vue

@@ -996,7 +996,26 @@ async function saveCurrentRecipe() {
     return
   }
 
-  // New recipe: always save to diary (personal)
+  // New recipe: admin/senior_editor can choose public or personal
+  if (auth.canManage) {
+    const toPublic = await showConfirm('保存到哪里？', { okText: '公共配方库', cancelText: '个人配方' })
+    if (toPublic) {
+      try {
+        const pubPayload = {
+          name: formName.value.trim(),
+          ingredients: cleanIngs.map(i => ({ oil_name: i.oil, drops: i.drops })),
+          note: formNote.value,
+          tags: formTags.value,
+        }
+        await recipeStore.saveRecipe(pubPayload)
+        ui.showToast('已添加到公共配方库')
+        closeOverlay()
+      } catch (e) {
+        ui.showToast('保存失败: ' + (e.message || '未知错误'))
+      }
+      return
+    }
+  }
   try {
     await diaryStore.createDiary(diaryPayload)
     ui.showToast('已添加到我的配方')