Refactor ClientCard memory management #1132

Job	Run time
prepare-static-dependencies	32s
prepare	15s
build-macos (macos-26-arm-static-link)	2m 31s
build-macos (macos-15-intel)	3m 22s
build-linux (ubuntu-static-link)	3m 18s
build-linux (ubuntu-arm-static-link)	2m 49s
build-macos (macos-26-arm)	57s
build-linux (ubuntu-22)	2m 27s
build-linux (ubuntu-24)	2m 1s
build-windows (windows-2025)	3m 38s
build-linux (ubuntu-26)	2m 15s
build-macos (macos-26-intel-cross-compile-static-link)	2m 13s
build-windows (windows-x86-sse2)	3m 25s
build-windows (windows-x64-avx2)	3m 15s
build-windows (windows-x64-no-simd)	3m 56s
build-windows (windows-arm64)	4m 16s
	41m 10s

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