- 2026-10-30 P0 passed: contract written.
- 2026-10-30 P1 passed: data audit; hash verified; no exclusions.
- 2026-10-30 P2 passed: baseline closed-form savings rate alpha*beta.
- 2026-10-30 P3 passed: discrete-choice VFI (control y' on grid), linear interpolation in ln y at eval points; decision recorded in data_issues.
- 2026-10-30 P4 passed: reproducible re-run, all checks PASS.
- 2026-10-30 P5 passed: report and claims written. Task complete.