0.3.3: affected tests handle non-C# changes; docs match the code

[csa7mdm]

Follows up an external evaluation report. Each claim was checked against the code before changing anything.

Fixed

• dotnet_test_affected ignored changes to files that aren't compiled C#. A change only to a .csproj, .razor, appsettings.json or resource file, or a deleted .cs file, returned "No changed .cs files" and ran nothing, even though those changes can break tests. Now:

  • the file is mapped to the project folder that holds it (the deepest one, for nested projects);
  • the test projects that reference that project run;
  • the file is listed in the new untracedFiles field.

  A change to a .props, .targets, global.json, nuget.config or .editorconfig file runs the whole solution. Documentation files, and files outside every project such as CI workflows, are still ignored.

  Checked end to end through the MCP server on this repo:

  Changed files	Result
  DotNetDevMCP.Build.csproj	projects scope, runs DotNetDevMCP.Build.Tests
  Directory.Build.props	solution scope
  ci.yml + README.md	"No changed code or project files."

Checked and not a bug

• The report said calls through an interface or base class are missed. They aren't: Roslyn's reference search follows them. A new test pins this down.

Docs

• Removed docs/architecture/system-overview.md. It described components that were never built (MergeAnalyzer, CodeReviewEngine, AgentCoordinator, DependencyAnalyzer...). The wiki's Architecture page describes the code as it is.
• The BenchmarkDotNet README now says those benchmarks measure orchestration overhead with Task.Delay, and points to benchmarks/polly for real numbers.
• README:
  • The known gaps now include the NuGet PackageReference gap and the lack of a sandbox.
  • New "Using it at work?" line, linking to Discussions → Show and tell.
• CONTRIBUTING no longer points at the missing docs/ai-context/project-context.json.

Release

Bumps the version to 0.3.3 (props, server.json, CHANGELOG). After merge: tag v0.3.3, then run mcp-publisher publish.

Tests

120 pass (2 new).

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