1# Log2- 2026-10-29 P0 started; contract written. P0 passed.3- 2026-10-29 P1 passed: data clean, no exclusions.4- 2026-10-29 P2/P3 passed: decision — CR1 cluster SE, t(G-1) critical value for CI; no seed needed.5- 2026-10-29 P4 passed: rerun identical, all checks pass (checks.md).6- 2026-10-29 P5 passed: report, claims written. Task complete.7- 2026-10-29 Added between-firm variance share keys so report diagnostics trace to results.json; reran P4 (identical), report updated.8