Track .claude/ project instructions in git #28

Job	Run time
cross-compile (aarch64-linux-gnu)	3m 9s
cross-compile (aarch64-macos-none)	3m 6s
cross-compile (x86_64-linux-gnu)	3m 0s
test-macos	3m 9s
cross-compile (x86_64-macos-none)	3m 11s
test-linux	3m 4s
	18m 39s

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