Add key-based selection coloring #838

Job	Run time
prepare_matrix	4s
Cross platform build (Macos_xcode16, macos-15, apple-clang, 16, Release, Macos, 16.2, libc++, armv8)	3m 47s
Cross platform build (Windows-msvc2022, windows-2022, msvc-2022, 17, MD, Release)	4m 26s
Cross platform build (Linux_gcc13, ubuntu-24.04, gcc, g++, gcc, 13, Release, Linux, libstdc++11, ...	3m 29s
prepare_matrix	7s
Cross platform build (Linux_gcc13, ubuntu-24.04, gcc, g++, gcc, 13, Release, Linux, libstdc++11, ...	5m 55s
Cross platform build (Macos_xcode16, macos-15, apple-clang, 16, Release, Macos, 16.2, libc++, armv8)	5m 37s
Cross platform build (Windows-msvc2022, windows-2022, msvc-2022, 17, MD, Release)	5m 54s
	29m 19s

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