1- 2026-10-30 P0 passed: contract written.2- 2026-10-30 P1 passed: audit done, no issues.3- 2026-10-30 P1 passed: audit done, no issues. Decision: counterexample X~N(0,1), W independent Rademacher, Y=W*X (sum has atom 1/2 at 0, non-degenerate).4- 2026-10-30 P2 passed (baseline: B setting, independent-sum KS in supplementary.baseline_*). P3 passed: analysis.py written/run. P4 passed: checks.md all PASS.5- 2026-10-30 P5 passed: report, claims, argument written. Task complete.6