1# Verification checks (P4)23- Clean re-run: results.json byte-identical after deleting outputs: PASS4- CI contains beta: PASS5- SEs positive: PASS6- n_analysed=240: PASS7- exclusions sum: PASS8- decision consistent: PASS9- CI width = 2*1.96*se_hac: PASS10- mean identity alpha+beta*mean_g = mean_du: PASS11- magnitude: mean_growth ~0.75 %/q (~3%/yr, not annualised): PASS12- HAC SE > iid SE consistent with positive resid AC1: PASS13- quarters: PASS14- independent recompute beta: PASS15