.Rulesync

This skill provides symbol-level code understanding and navigation using Language Server Protocol (LSP). Enables IDE-like capabilities for finding symbols, tracking references, and making precise code edits at the symbol level.

Builds gRPC services. Proto definition, code-gen, ASP.NET Core host, streaming, auth.

Packages MSIX apps. Creation, signing, Store submission, App Installer sideload, auto-update.

Builds WinUI 3 desktop apps. Windows App SDK, XAML patterns, MSIX/unpackaged, UWP migration.

Authors xUnit v3 tests -- Facts, Theories, fixtures, parallelism, IAsyncLifetime.

Adds CI/CD to a .NET project. GitHub Actions vs Azure DevOps detection, workflow templates.

Routes .NET/C# work to domain skills. Loads coding-standards for code paths.

Performs file I/O. FileStream, RandomAccess, FileSystemWatcher, MemoryMappedFile, paths.

Generates OpenAPI docs. MS.AspNetCore.OpenApi (.NET 9+), Swashbuckle migration, NSwag.

Complete .NET testing guide covering unit, integration, and advanced testing patterns with xUnit

Queries Uno MCP server. Tool detection, search-then-fetch workflow, init rules, fallback.

Compiles .NET to WebAssembly AOT. Blazor/Uno WASM, size vs speed, lazy loading, Brotli.

Generates API documentation. DocFX setup, OpenAPI-as-docs, doc-code sync, versioned docs.

Implements producer/consumer queues. Channel<T>, bounded/unbounded, backpressure, drain.

Optimizes MAUI for iOS/Catalyst. Native AOT pipeline, size/startup gains, library gaps, trimming.

Trims .NET 8+ apps and libraries. Annotations, ILLink descriptors, IL2xxx warnings, IsTrimmable.

Writes XML doc comments. Tags, inheritdoc, GenerateDocumentationFile, warning suppression.

Tunes GC and memory. GC modes, LOH/POH, Gen0/1/2, Span/Memory deep patterns, ArrayPool.

Analyzes .NET code for modernization. Outdated TFMs, deprecated packages, superseded patterns.

Diagnoses .NET performance issues. dotnet-counters, dotnet-trace, dotnet-dump, flame graphs.

Configures ADO-exclusive features. Environments, approvals, service connections, pipelines.

Containerizes .NET apps. Multi-stage Dockerfiles, SDK container publish (.NET 8+), rootless.

Deploys .NET from GitHub Actions. Azure Web Apps, GitHub Pages, container registries.

Publishes Native AOT binaries. PublishAot, ILLink descriptors, P/Invoke, size optimization.

Automates browser tests in .NET. Playwright E2E, CI browser caching, trace viewer, codegen.

Adds fault tolerance. Polly v8 + MS.Extensions.Http.Resilience, retry/circuit breaker/timeout.

Selects a .NET UI framework. Decision tree across Blazor, MAUI, Uno, WinUI, WPF, WinForms.

Builds WPF on .NET 8+. Host builder, MVVM Toolkit, Fluent theme, performance, modern C# patterns.

Adds test infrastructure to a .NET project. Scaffolds xUnit project, coverlet, layout.

Publishes .NET artifacts from Azure DevOps. NuGet push, containers to ACR, pipeline artifacts.

Implements Blazor auth flows -- login/logout, AuthorizeView, Identity UI, OIDC.

Publishes .NET artifacts from GitHub Actions. NuGet push, container images, signing, SBOM.

Creates GitHub-native docs. README badges, CONTRIBUTING, issue/PR templates, repo metadata.

Consumes HTTP APIs. IHttpClientFactory, typed/named clients, resilience, DelegatingHandlers.

Deploys Uno Platform apps. Per-target guidance for WASM, iOS, Android, macOS, Windows, Linux.

Tests Uno Platform apps. Playwright for WASM, platform-specific patterns, runtime heads.

Use when building .NET 10 or C# 14 applications; when using minimal APIs, modular monolith patterns, or feature folders; when implementing HTTP resilience, Options pattern, Channels, or validation; when seeing outdated patterns like old extension method syntax

Composes Azure DevOps YAML pipelines. Templates, variable groups, multi-stage, triggers.

Secures ASP.NET Core APIs. Identity, OAuth/OIDC, JWT bearer, passkeys, CORS, rate limiting.

Selects crypto algorithms and usage. Hashing, AES-GCM, RSA, ECDSA, PQC key derivation.

Authors .editorconfig rules. IDE/CA severity, AnalysisLevel, globalconfig, code style enforcement.

Composes GitHub Actions workflows. Reusable workflows, composite actions, matrix, caching.

Builds high-perf network I/O. PipeReader/PipeWriter, backpressure, protocol parsers, Kestrel.

Localizes .NET apps. .resx resources, IStringLocalizer, source generators, pluralization, RTL.

Tests .NET MAUI apps. Appium device automation, XHarness, platform validation.

Builds ASP.NET Core Minimal APIs -- route groups, filters, TypedResults, OpenAPI.

Builds full TUI apps. Terminal.Gui v2 -- views, layout (Pos/Dim), menus, dialogs, bindings, themes.

Measures test effectiveness. Coverlet code coverage, Stryker.NET mutation testing, flaky tests.

Builds Uno Platform cross-platform apps. Extensions, MVUX, Toolkit controls, Hot Reload.

Implements accessible .NET UI. SemanticProperties, ARIA, AutomationPeer, testing per platform.

Adds analyzer packages to a project. Nullable, trimming, AOT compat analyzers, severity config.

Publishes to package managers. Homebrew, apt/deb, winget, Scoop, Chocolatey manifests.

Writes custom MSBuild tasks. ITask, ToolTask, IIncrementalTask, inline tasks, UsingTask.

Adds observability. OpenTelemetry traces/metrics/logs, health checks, custom metrics.

Serializes data. System.Text.Json source generators, Protobuf, MessagePack, AOT-safe patterns.

Migrates desktop apps. WPF/WinForms to .NET 8+, WPF to WinUI or Uno, UWP to WinUI.

Configures .NET build/test in Azure DevOps. DotNetCoreCLI task, Artifacts, test results.

Versions HTTP APIs. Asp.Versioning.Http/Mvc, URL segment, header, query string, sunset.

Tests Blazor components. bUnit rendering, events, cascading params, JS interop mocking.

Interprets MSBuild output, NuGet errors, analyzer warnings. Error codes, CI drift.