* Implement Ruby dual language server support with ruby-lsp and Solargraph
- Add ruby-lsp as primary Ruby language server with modern LSP features
- Mark Solargraph as experimental legacy option (ruby_solargraph enum)
- Implement Bundler-first installation strategy for ruby-lsp
- Add Rails project detection and performance optimizations
- Fix LSP protocol compliance for Solargraph (languageId: "ruby")
- Support both .rb and .erb files for ruby-lsp, .rb only for Solargraph
- Address reviewer feedback on dependency management and error handling
- Update test compatibility for dual language server behavior
Co-authored-by: Claude <noreply@anthropic.com>
Dominik Jain