Dioneya:sqlalchemy-type-fix

[Refactor] Outbox Architecture Overhaul: PostgreSQL Support, Mixin Models, and UUID v7

Repository analyzed: Python project with pytest tests, no existing benchmarks detected

pytest-codspeed added to pyproject.toml dev dependencies

Created benchmarks directory with sample benchmark files

GitHub Actions workflow created with CodSpeed integration

CodSpeed workflow completed successfully. Installation comment posted on PR #41 with 11 benchmarks detected.

Benchmarks have been successfully run and processed. The results are available in Codspeed