EggMapper

Implement a new feature following EggMapper's performance-first development loop

Manage pull requests — list open PRs, check CI status, view details, or merge

Run EggMapper benchmarks and analyze performance against competitors

Inspect and debug EggMapper's compiled expression trees for a type pair

Verify no performance regression after code changes — compares before/after benchmarks

Create a PR with performance evidence and proper conventional commit history

Run EggMapper tests — all tests or filtered by class/method name