gen-cards: regenerate Use-it block

Re-export with coreai-torch 0.4.1 (fixes OS 27 beta 2+ load failure); gated token-for-token vs fp32 oracle

Note b2 (beta3-loadable, iPhone-gated) bundle under gpu-pipelined-b2/

Add b2 (beta3-loadable) bundle under gpu-pipelined-b2/ (b1 retained). DeviceMark iPhone-gated 2026-07-17.

gen-cards: regenerate Use-it block

gen-cards: add Use-it markers

Nanbeige4.1-3B Core AI: int8hu _s1 GPU-pipelined bundle

Nanbeige4.1-3B Core AI: model card

initial commit