v0.6.0-rc1: TestRunner Pattern Release Candidate

🎯 Release Candidate: TestRunner Pattern Implementation

This release candidate introduces a major refactor of the test infrastructure, implementing the TestRunner pattern across all integration tests.

✨ Key Improvements

• 100% Test Success Rate: All 30 test suites now pass (up from 46.7%)
• TestRunner Pattern: Implemented ADR 0010 across all integration tests
• Reflection-Based Discovery: Automated test method discovery eliminates manual counting
• Cleaner Code: Removed 6,530 lines of boilerplate test counting logic
• Better Error Handling: Improved graceful degradation for command failures
• Project-Level Configuration: Added analyzer suppressions in Directory.Build.props

🔧 Technical Changes

• Converted all 30 test suites to use await RunTests<TestClassName>(); pattern
• Fixed formatting issues and double blank lines throughout test files
• Added CA1812 and CS1998 suppressions at project level
• Improved test reliability and maintainability
• Fixed CI workflow to properly check NuGet.org for version conflicts

📊 Test Coverage

All test categories now use consistent TestRunner pattern:

• ✅ Core functionality tests (6 suites)
• ✅ DotNet command tests (19 suites)
• ✅ External tool tests (3 suites)
• ✅ Utility tests (2 suites)