EF Core + SQLite practices for DysonHarness (DysonDbContext, DysonDbAccessor, IDbContextFactory, migrations, value converters, WAL/timeout, SubjectId). Use when changing entities, DbContext configuration, repository concurrency, SQLite schema, migrations,…
Pinned test skill
Pinned Codex test skill
Pinned Cursor test skill
Modern C# / .NET practices for DysonHarness (Harness.Engine): coding conventions, null safety, async/TAP, naming, shallow architecture (1–2 abstraction layers), and Result-pattern APIs. Use when writing, reviewing, or refactoring C#, .NET, or Harness.Engine…