[SPEC-007] Release 2.2.1

[code-cfernandes]

Resumo

Release 2.2.1 (PATCH).

Mudanças

• VERSION + Application::VERSION → 2.2.1.
• CHANGELOG.md: seção [2.2.1] (Fixed: staticFiles() + PSR-12).
• docs/releases/FRAMEWORK_OVERVIEW_v2.2.1.md.
• Docs de "versão atual" atualizadas para 2.2.1.

Versionamento (SemVer)

PATCH → 2.2.1.

Instruções de merge

• Squash and merge para main, depois tag v2.2.1 + GitHub release.

[github-actions]

🚀 Release Readiness Report - PivotPHP Core v2.2.1

✅ All Checks Passed!

• Version: 2.2.1
• PHPStan: Level 9, 0 errors
• Tests: All tests passing
• Code Style: PSR-12 compliant
• PHP Compatibility: 8.1 - 8.4
• Dependencies: All valid
• Scripts: Consolidated and optimized

📦 Ready for Publication

The project is ready to be tagged and released!

Next Steps:

1. Create a new tag: git tag -a v2.2.1 -m 'Release v2.2.1'
2. Push the tag: git push origin v2.2.1
3. The release workflow will automatically create a GitHub release
4. Packagist will be automatically updated