fix: make SUPER_ADMIN role checks case-insensitive across app

Co-authored-by: aider (openai/DeepSeek-V3.2-Thinking) <aider@aider.chat>

inventory-web/src/stores/user.ts

@@ -114,6 +114,10 @@ export const useUserStore = defineStore('user', () => {
 
     // 判断当前用户是否拥有某个权限（菜单或元素）
     const hasPermission = (code: string) => {
+        // 超级管理员拥有所有权限
+        if (role.value && role.value.toUpperCase() === 'SUPER_ADMIN') {
+            return true
+        }
         return permissions.value.includes(code)
     }