Support GEMM on CPU & MetaX and Add Generic Dispatcher#1

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Ziminli wants to merge 2 commits intodevelop-infrastructurefrom

feature/multi-device-support

Commits on Feb 11, 2026

feat: extend Device enum and refactor GEMM support
Ziminli
committed
feat: add generic dispatcher, compile-time traits/constructs and CPU GEMM implementation
Ziminli
committed