rot13 seq-QA LoRA rank-1 (alpha2) task-vector (avg-of-6) - held-out receptor planets
Delta = mean_6( fold(LoRA seqqa_rot13) - docsonly_rot13 ), sources people+software x seeds 1/2/3, LR=1e-4.
Apply: W(hugo/v1-7b-planets-docsonly-seed[1-3]) + lambda*Delta. fp32. LoRA sweet-spot lambda~2.
