@startuml
!include card-uml-style.iuml
scale 900 width
hide footbox
skinparam ParticipantPadding 18

participant "main" as Main
participant "workerA ctx" as A
participant "workerB ctx" as B
participant "sum_task_entry" as Entry
participant "FreeRTOS" as Kernel
participant "supervisor" as Supervisor

activate Kernel
Kernel -> Entry : <b>06</b> entry(&workerA)
activate Entry
||30||
Entry -> A : <b>07</b> typed context; RUNNING
||30||
Kernel -> B : <b>08</b> tick: A -> B -> A
||30||
Entry -> A : <b>09</b> result = 200010000
||30||
Entry -> A : <b>10</b> COMPLETED; handle = NULL
||30||
Entry -> Kernel : <b>11</b> vTaskDelete(NULL)
deactivate Entry
||30||
Kernel -> Supervisor : <b>12</b> verify both contexts -> PASS
activate Supervisor

note over A,Supervisor
  Static contexts survive self-delete. Idle cleanup of TCB/stack is later.
end note
@enduml