Add regenerated v2 Qwen3-4B reasoning anchor cache (t1.0/p0.95/k20/pp0.0, 8192-token budget, no empty-response retries). 93882 rows: 82513 complete, 76691 hygiene-clean. Differs from the base v2 file in that the 21994 rows failing the hygiene validator were deleted and redrawn once (repetition loops -60%/-68%, near-empty answers largely persistent).