Add real-data replay performance framework

[danielendler]

Pull Request for datason

🎯 What does this PR do?

📋 Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📚 Documentation (updates to docs, README, etc.)
• 🧪 Tests (adding missing tests or correcting existing tests)
• 🔧 CI/DevOps (changes to build process, CI configuration, etc.)
• 🎨 Code style (formatting, renaming, etc. - no functional changes)
• ♻️ Refactoring (code changes that neither fix bugs nor add features)
• ⚡ Performance (changes that improve performance)
• 🔒 Security (security-related changes)

🔗 Related Issues

✅ Checklist

Code Quality

• Code follows project style guidelines (ruff passes)
• Self-review of code completed
• Code is well-commented and documented
• No debug statements or console.log left in code

Testing

• New tests added for new functionality
• Existing tests updated if necessary
• All tests pass locally (pytest)
• Coverage maintained or improved (pytest --cov=datason)

Documentation

• Documentation updated (if user-facing changes)
• README.md updated (if necessary)
• CHANGELOG.md updated with changes
• API documentation updated (if applicable)

Compatibility

• Changes are backward compatible
• Breaking changes documented and justified
• Dependency changes are minimal and justified

Optional Dependencies

• pandas integration tested (if applicable)
• numpy integration tested (if applicable)
• ML libraries tested (if applicable)
• Works without optional dependencies

🧪 Testing

Test Environment

• Python version(s):
• Operating System:
• Dependencies:

Test Coverage

# Example:
$ pytest tests/test_your_feature.py -v
$ pytest --cov=datason --cov-report=term-missing

📊 Performance Impact

📸 Screenshots/Examples

🔄 Migration Guide

📝 Additional Notes

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🤖 For Maintainers

Auto-merge Eligibility

• Dependencies: Minor/patch dependency updates
• Documentation: Documentation-only changes
• CI/Build: Non-breaking CI improvements
• Tests: Test additions/improvements
• Formatting: Code style/formatting only

Review Priority

• High: Breaking changes, security fixes, major features
• Medium: New features, significant improvements
• Low: Documentation, tests, minor fixes

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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