Отличное форматирование

Report/puml/fig_16_dfd_level0.puml

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+@startuml fig_16_dfd_level0
+scale 3
+title DFD уровень 0: Wallenc
+skinparam defaultFontName "DejaVu Sans"
+
+actor User
+rectangle "Процесс 0\nWallenc" as P0 {
+  usecase "UI" as UI
+  usecase "Домен" as Dom
+  usecase "Крипто" as Crypto
+  usecase "Адаптеры\nхранилищ" as Store
+  database "Room" as DB
+}
+
+cloud Provider
+
+User --> UI : команды,\nфайлы
+UI --> Dom
+Dom --> Crypto : ключ,\nданные
+Dom --> Store
+Dom --> DB : метаданные
+Store --> Provider : ciphertext
+
+@enduml