gen-cards: regenerate Use-it block

gen-cards: regenerate Use-it block

Add gen-cards use-it markers (kit runner enrollment)

Update for S=256 bundle (no truncation)

Swap to S=256 bundle (no answer truncation)

Remove S=128 bundle (swap to S=256)

Add macOS Core AI bundle (int4, S=128 preview)

Add model card (zoo's first dLLM)

initial commit