Refactor ClientCard memory management #1133

Job	Run time
prepare-static-dependencies	20s
prepare	10s
build-windows (windows-2025)	4m 15s
build-windows (windows-arm64)	4m 13s
build-linux (ubuntu-22)	2m 34s
build-macos (macos-15-intel)	3m 8s
build-windows (windows-x86-sse2)	3m 31s
build-macos (macos-26-arm-static-link)	2m 3s
build-linux (ubuntu-24)	1m 58s
build-macos (macos-26-arm)	55s
build-windows (windows-x64-avx2)	3m 47s
build-windows (windows-x64-no-simd)	3m 34s
build-macos (macos-26-intel-cross-compile-static-link)	2m 11s
build-linux (ubuntu-26)	2m 9s
build-linux (ubuntu-arm-static-link)	2m 55s
build-linux (ubuntu-static-link)	3m 5s
	40m 48s

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