@startuml
skinparam backgroundColor transparent
skinparam shadowing false
skinparam defaultFontName Monospace
skinparam defaultFontSize 12
skinparam rectangleBorderColor #2c7794
skinparam rectangleBackgroundColor #edf6fa
title A1 CONTEXT — who owns task, queue and timer storage
rectangle "01 Application\nmain + verifier" as app
rectangle "02 Dynamic branch\nxTaskCreate\nxQueueCreate\nxTimerCreate" as dyn
rectangle "03 Static branch\nxTaskCreateStatic\nxQueueCreateStatic\nxTimerCreateStatic" as stat
rectangle "04 FreeRTOS kernel\nTCB · queue · timer daemon" as kernel
rectangle "05 Hazard3 RAM\nucHeap + named buffers" as ram
app --> dyn : asks kernel to allocate
app --> stat : supplies persistent storage
dyn --> kernel
stat --> kernel
kernel --> ram
@enduml