Refactor buffer sizes for name and message handling #273

Job	Run time
build-windows (windows)	4m 45s
build-linux (ubuntu-24)	2m 7s
build-windows (windows-x64)	4m 17s
build-linux (ubuntu-22)	2m 19s
build-linux (ubuntu-static-link)	2m 42s
build-macos (macos-13-universal-static-link)	5m 51s
build-macos (macos-15-arm)	1m 13s
build-macos (macos-13-intel)	3m 33s
	26m 47s

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