csharp

name	csharp
description	Root skill that groups the C# sub-skills used in this project. This is a router: it lists the sub-skills under sub-skills/ and tells the agent which one to load for the task at hand (modern coding standards, MSTest unit testing). Use when a C#/.NET task matches one of those areas; then load the matching sub-skill's SKILL.md.

C# — Root Skill

This is a root (grouping) skill. It has no standalone procedure; its job is to route to the right sub-skill under sub-skills/. See .agents/rules/skills.md for the sub-skill structure.

How to use this skill

1. Read this file to choose the matching sub-skill from the table below.
2. Load that sub-skill's SKILL.md at sub-skills/<name>/SKILL.md.
3. Apply it as a first-class skill (follow its instructions and resources).
4. Load only the sub-skill(s) the current task needs (context budget), not all of them.

Sub-skills

Sub-skill	Path	Use when
Modern C# Coding Standards	sub-skills/modern-csharp-coding-standards/SKILL.md	Writing or refactoring C# code: records, value objects, pattern matching, async/await, Span/Task, public API design.
MSTest	sub-skills/csharp-mstest/SKILL.md	Writing unit tests with MSTest 3.x/4.x: assertions, data-driven tests, TestContext, TestInitialize/Cleanup lifecycle.

Project context

The C# WPF/WinUI client code lives under the .NET app projects. Use the modern-csharp-coding-standards sub-skill when authoring production code and csharp-mstest when writing or extending the unit test suite. Prefer the project build pipeline (.agents/skills/build-full) over ad-hoc dotnet commands so the pinned SDK and packaging are respected.