yosrbennagra/3sc

Clean architecture patterns for the 3SC widget host. Defines layer boundaries, dependency rules, composition root patterns, and abstraction strategies.

In-memory caching patterns for the 3SC widget host. Covers cache strategies, invalidation, TTL policies, and when to cache vs when to fetch.

Security patterns for loading and running third-party widgets in the 3SC host. Covers sandboxing, permissions, code signing, and trust levels.

Build and maintain WPF MVVM patterns using CommunityToolkit.Mvvm for a .NET 8 widget-host app. Use when creating ViewModels, commands, observable state, validation, view bindings, and viewmodel-first navigation behaviors. Avoid Prism and heavy region managers; keep ViewModels testable and UI-agnostic.

Implement data access for the .NET 8 WPF widget host app using EF Core or Dapper. Use when creating repositories, unit of work, migrations, DbContext configuration, and query patterns while keeping clean architecture boundaries.

Structured logging patterns for the 3SC widget host. Covers Serilog configuration, log levels, correlation IDs, sensitive data handling, and diagnostic contexts.

Resilience patterns for the 3SC widget host. Covers retry policies, circuit breakers, timeouts, fallbacks, and graceful degradation for external dependencies.

Async/await patterns for the 3SC widget host. Covers Task handling, cancellation, ConfigureAwait, fire-and-forget prevention, and async command patterns in WPF.

Security patterns for the 3SC widget host. Covers credential storage, input validation, secure coding practices, and protecting user data.

Performance optimization patterns for the 3SC widget host. Covers startup time, memory management, UI responsiveness, profiling, and optimization strategies.

Testing strategies for the 3SC widget host. Covers unit tests, integration tests, ViewModel testing, mocking patterns, and test organization.

Create or refactor a .NET 8 WPF shell for a desktop widget host using CommunityToolkit.Mvvm and a custom viewmodel-first navigation service. Use when working on App.xaml, MainWindow/ShellWindow, shared ResourceDictionaries, runtime Light/Dark theming, or shell layout for widget-style apps. Avoid Prism, Frame navigation, and heavy region managers.

Global error handling for the 3SC widget host. Covers exception handling, crash reporting, user-friendly error surfaces, and recovery strategies.