Allow all logged-in users to create/edit/delete their own recipes

Previously only editor+ roles could manage recipes, so viewer users
saw an empty "我的配方" section. Now any authenticated user can CRUD
their own recipes while admin/senior_editor retain full access.

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

frontend/src/stores/auth.js

@@ -82,7 +82,7 @@ export const useAuthStore = defineStore('auth', () => {
 
   function canEditRecipe(recipe) {
     if (isAdmin.value || user.value.role === 'senior_editor') return true
-    if (user.value.role === 'editor' && recipe._owner_id === user.value.id) return true
+    if (recipe._owner_id === user.value.id) return true
     return false
   }