- 2026-10-29 P0 passed; contract written. P1 started. - 2026-10-29 P1 passed (audit; analysis year 2023, 197 countries, 20 GDP-missing excluded). - 2026-10-29 P2/P3 passed: baseline RMSE 7.08; OLS HC3 β=5.27. Decision: HC3 SE, normal 1.96 CI; supplementary leave-5-out sensitivity. - 2026-10-29 P4 checks done; running gate. - 2026-10-29 P4 passed (gate receipt 20261030T035242). P5 report/claims written; final gate. - 2026-10-29 P5 passed; final gate receipt 20261030T035321 PASSED. Task complete.