@startuml Server Invitation Step 01
User -> Bastet : fill invitation
User -> Bastet : select servers
Bastet -> NativeLib : get server cards for selected uids
NativeLib -> Bastet : server cards
Bastet -> NativeLib : invitationCreateMessage
NativeLib -> Bastet : invitationMessage
Bastet -> Server : send invitation
Server -> Redis : Store invitation
Server -> Bastet : invitation URL
Bastet -> User : invitation URL
@enduml