koboldcpp

change an assert to optional testing https://github.com/LostRuins/koboldcpp/issues/1821

add test build target for linux olderpc

Kcpp triage for rowsplit: revert https://github.com/ggml-org/llama.cpp/pull/16715 until https://github.com/ggml-org/llama.cpp/issues/16799 is resolved

ROCm 7.1 CI (#1823)

handle loading very old mmproj that broke after https://github.com/ggml-org/llama.cpp/pull/14928