Complete comprehensive project overhaul with enterprise-grade tooling

[vlordier]

Summary

• Add comprehensive test framework with Vitest (46/46 tests passing)
• Implement structured logging system with performance monitoring
• Add robust error handling with custom error classes and retry logic
• Enhance security with automated vulnerability scanning and workflows
• Add modern development toolchain (ESLint flat config, Prettier, Husky)
• Implement pre-commit hooks with lint-staged for code quality
• Add comprehensive test coverage reporting with thresholds
• Fix all TypeScript type errors and linting warnings
• Add security policy and best practices documentation
• Enhance CI/CD pipeline with security and quality gates

Changes

• Testing: Complete Vitest setup with 46 passing tests and coverage thresholds
• Logging: Structured logging with LogLevel enum and performance monitoring
• Error Handling: Custom error classes, retry logic, and error boundaries
• Security: SECURITY.md policy, vulnerability scanning workflows, dependency auditing
• Tooling: ESLint flat config, Prettier, Husky pre-commit hooks, lint-staged
• Type Safety: Fixed all TypeScript errors and enhanced type checking
• CI/CD: GitHub Actions workflows for testing, security, and quality gates
• Code Quality: Comprehensive linting rules and automated formatting

Test plan

• All 46 tests passing (100% pass rate)
• TypeScript compilation with 0 errors
• Production build successful
• ESLint passes with 0 critical errors
• Pre-commit hooks working correctly
• Security policy documentation complete
• No breaking changes to existing functionality

🤖 Generated with Claude Code

[github-actions]

All contributors have signed the CLA ✍️ ✅
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[vlordier]

I have read the CLA Document and I hereby sign the CLA