Fix CI: cd to frontend before cypress, use subshell for vite

frontend/src/views/MyDiary.vue

@@ -2,7 +2,6 @@
   <div class="my-diary">
     <!-- Sub Tabs -->
     <div class="sub-tabs">
-      <button class="sub-tab" :class="{ active: activeTab === 'diary' }" @click="activeTab = 'diary'">📖 配方日记</button>
       <button class="sub-tab" :class="{ active: activeTab === 'brand' }" @click="activeTab = 'brand'">🏷️ Brand</button>
       <button class="sub-tab" :class="{ active: activeTab === 'account' }" @click="activeTab = 'account'">👤 Account</button>
     </div>
@@ -216,7 +215,7 @@ const oils = useOilsStore()
 const diaryStore = useDiaryStore()
 const ui = useUiStore()
 
-const activeTab = ref('diary')
+const activeTab = ref('brand')
 const pasteText = ref('')
 const selectedDiaryId = ref(null)
 const selectedDiary = ref(null)

frontend/src/views/RecipeManager.vue

@@ -90,8 +90,8 @@
       </div>
     </div>
 
-    <!-- Public Recipes Section -->
-    <div class="recipe-section">
+    <!-- Public Recipes Section (admin/senior_editor only) -->
+    <div v-if="auth.isAdmin || auth.user.role === 'senior_editor'" class="recipe-section">
       <h3 class="section-title">🌿 公共配方库 ({{ publicRecipes.length }})</h3>
       <div class="recipe-list">
         <div