Gemma Directory Reference

Files
	Gemma.Block.ixx
	Gemma 4 decoder block (inference: prefill + decode), one type per attention kind.
	Gemma.Block.Workspace.ixx
	Transformer-owned shared activation slots for GemmaBlock (pooling), and their factory.
	Gemma.Config.ixx
	Network-level configuration for Gemma 4 transformer networks.
	Gemma.ixx
	Gemma 4 decoder-only transformer network (inference: prefill + decode).