MCP Git Server

# Unit Tests Tests for individual components in isolation. ## Coverage Target: 95%+ Unit tests should cover: - Individual functions and methods - Edge cases and error conditions - Type validation and constraints - Business logic in isolation ## Structure - `primitives/` - Atomic Git/GitHub operations - `operations/` - Composed operations built on primitives - `types/` - Type system validation and contracts - `constants/` - Constants validation and organization - `protocols/` - Protocol definitions and interfaces ## Guidelines - Mock all external dependencies - Test one thing at a time - Fast execution (< 100ms per test) - No I/O operations (file system, network)