Take Google's 2026-07-09 canonical chat template

gen-cards: regenerate Use-it block

gen-cards: regenerate Use-it block

gen-cards: add Use-it markers

chat-EOS fix: eos_token -> <turn|> (clean stop in generic apps)

Gemma 4 31B: gemma4_31b_qat_decode_int4linsym_msdpa_g8 (metal-sdpa decode bundle)

Gemma 4 31B: Gemma Terms of Use

Gemma 4 31B: model card

initial commit