# Log

• 2026-10-30 P0: read TASK.md, memo, gate_spec; contract written.
• 2026-10-30 P1: audit done, data clean, no exclusions.
• 2026-10-30 P2: baseline iid OLS reproduces memo (p=0.0238).
• 2026-10-30 P3: decision: Andrews AR(1) plug-in bandwidth on slope score -> 8 lags; NW Bartlett no df correction, normal ref. p_hac=0.118.
• 2026-10-30 P4: clean rerun identical; consistency checks pass; gate run.
• 2026-10-30 P5: report and claims written; final gate run.