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Debugging and Terminal

The runtime tooling stack is extension-based and uses typed debugger and terminal services.

Debugging

• XamlVisualEditor.Debugging.DapExtension provides DAP-backed .NET debugging.
• XamlVisualEditor.Debugging.DotNetSdkExtension integrates .NET SDK debugger tooling and adapter discovery.
• Debug settings capture adapter paths, auto-download preferences, and runtime status.
• Shell panels expose breakpoints, call stack, locals, watches, and execution state.

Terminal

• XamlVisualEditor.Terminal implements a managed terminal emulator, buffer, parser, key mapper, capture/replay, and PTY provider abstraction.
• XamlVisualEditor.Terminal.Avalonia renders terminal state and routes input in Avalonia.
• Platform PTY providers are selected through PtyProviderFactory.

Validation

Debug and terminal behavior is covered by unit tests, integration tests, and Avalonia Headless UI tests. Terminal golden render tests validate frame output, while protocol tests validate debugger and previewer message flows.