Review pyfixest diffs for compatibility, numerical correctness, unsupported estimation paths, and repository policy.
Select, run, and report pyfixest checks before handing off code, tests, documentation, CI, or metadata changes.
Safely curate agent-owned pyfixest commits before first PR submission, including layers managed by gh stack.
Classify and place pyfixest estimator, inference, formula, API, and core changes before implementation.
Design and verify external numerical references for pyfixest estimators, inference, solvers, formulas, weights, and kernels.
Prepare reviewer-ready pyfixest single or stacked draft PRs after history curation and verification.