- Add required --stdio flag for Microsoft.CodeAnalysis.LanguageServer
- Add required --extensionLogDirectory parameter to avoid startup failure
- Fix test fixture to properly start/stop language server
- Remove skip markers from C# tests to enable testing
- Return cache_dir from setup_runtime_dependencies for log directory creation
The language server now starts successfully and the first test passes.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Implemented new CSharpLanguageServer class using Microsoft's official C# language server
- Downloads Microsoft.CodeAnalysis.LanguageServer NuGet package (requires .NET 9)
- Supports direct download from NuGet API with fallback to package managers
- Uses platform-specific runtime packages (linux-x64, win-x64, osx-x64, etc.)
- Caches downloaded language server in ~/.cache/serena/language-servers/csharp/
- Added basic tests for C# language server functionality
- Updated SolidLanguageServer.create to use new implementation
- Removed old OmniSharp implementation
Note: Full language server tests are skipped as they require .NET 9 runtime
Michael Panchenko