Add test structure:
- Unit tests for BaseEntity
- Unit tests for Guards utility
- Test fixtures with code samples
- Integration and unit test directories
Add infrastructure implementations:
- BaseRepository with in-memory storage
- GitService for git operations using simple-git
- CodeParser for JS/TS parsing using tree-sitter
Add domain layer components:
- BaseEntity with ID, timestamps and equality checks
- ValueObject for immutable value objects
- IRepository interface for persistence
- DomainEvent system for domain events
Add ESLint rules to enforce comment style:
- Require space after // in single-line comments
- Prefer JSDoc style for multi-line comments
- Warn on TODO/FIXME/HACK comments
- Update documentation with comment style guide
Add EditorConfig for consistent editor settings, Prettier for formatting (4-space indentation), ESLint with TypeScript rules, and linting documentation