Log
- 2026-10-30 P0: read TASK.md, wrote contract. P0 passed.
- 2026-10-30 P1: audited data. Decision: cpi_assembled.csv is read for diagnostics only (it has assembly errors); vintage files are authoritative. 2025-10 missing in 2026 vintage -> g_2025-10 missing, not imputed.
- 2026-10-30 P2: baseline mean_growth_12m_2001_2013 = 2.3612 computed. P3: analysis.py written and run. P4: clean re-run identical; checks in checks.md all pass.
- 2026-10-30 P4 passed (gate receipt 20261030T043206). P5: report and claims written; final gate run.
- 2026-10-30 Final gate PASSED (receipt 20261030T043233). All phases passed.