Skill Claude CodeCodex
Use when the user wants to see and choose between visual design alternatives for an Avalonia app before implementation — generates 3 design variants as real .axaml files, renders each to PNGs at multiple viewport sizes (compact/wide × light/dark) using Avalonia.Headless, and serves an HTML comparison gallery via a…
Skill Claude CodeCodex
Use before merging a PR or shipping a release of an Avalonia app — exhaustive pre-delivery checklist covering visual quality, interaction, light/dark, layout, accessibility, performance, motion, and platform parity. Run end-to-end; fix everything before sign-off.
Skill Claude CodeCodex
Use when choosing or configuring a theme library for an Avalonia app (FluentTheme, FluentAvalonia, SukiUI, Semi.Avalonia, Material.Avalonia, ShadUI, Ursa.Avalonia, Citrus, Classic). Provides a recommendation matrix by product type, install snippets, and combination rules.
Skill Claude CodeCodex
Use when working with Avalonia's property system: StyledProperty, DirectProperty, AttachedProperty, property inheritance, metadata override, coercion, value priority, or observing property changes via GetObservable or OnPropertyChanged.
Skill Claude CodeCodex
Use when accessing Avalonia platform services via TopLevel: clipboard read/write, file/folder/save dialogs via StorageProvider, URI/file launching via Launcher, screen and window info, focus manager, in-app notifications via WindowNotificationManager, or IME input method access.
Skill Claude CodeCodex
Use when applying styles, control themes, pseudoclasses, style selectors, theme variants, or custom fonts in Avalonia. Covers Style vs ControlTheme distinction, selector syntax, nested styles, light/dark theme variants, style sharing via avares://, StyleKeyOverride, and style precedence rules.
Skill Claude CodeCodex
Use when writing tests for Avalonia apps — headless UI testing, ViewModel unit tests, UI automation, or setting up the Avalonia test infrastructure.
Skill Claude CodeCodex
Use when migrating a WPF application to Avalonia, mapping WPF concepts to Avalonia equivalents, or understanding differences between WPF and Avalonia APIs.
Skill Claude CodeCodex
Use when writing or reviewing Avalonia XAML markup, .axaml files, XML namespaces, code-behind, markup extensions, or building UI without XAML in code.