# Document with Diagram Sources

## State Machine

The following Mermaid diagram describes the state machine:

```mermaid
stateDiagram-v2
    [*] --> Idle
    Idle --> Processing: start
    Processing --> Done: complete
    Processing --> Error: fail
    Done --> [*]
    Error --> Idle: reset
```

## Dependency Graph

The Graphviz diagram shows dependencies:

```graphviz
digraph G {
    A -> B;
    A -> C;
    B -> D;
    C -> D;
}
```

## Sequence

The PlantUML sequence diagram:

```plantuml
@startuml
Alice -> Bob: Request
Bob --> Alice: Response
Alice -> Carol: Forward
@enduml
```

## Summary

All three diagram types are supported in LEVEL3 source-only mode.