@startuml API 获取最近使用的应用
actor User
participant "AppCenter Router" as Router
participant "AppCenter Manager" as Manager
database MongoDB

User -> Router: GET /api/app/recent
Router -> Manager: get_recently_used_apps()
Manager -> MongoDB: find user data
MongoDB --> Manager: return user data
Manager -> MongoDB: find app data
MongoDB --> Manager: return app data
Manager -> Manager: sort by last_used time
Manager --> Router: return recent apps
Router --> User: return response
@enduml