vine: check the availability of staged inputs #264

Job	Run time
build-conda-linux	5m 58s
build-conda-macos-arm64 (macos-14)	4m 38s
build-conda-macos-x86_64 (macos-14)	4m 12s
build-native-linux (almalinux8)	5m 47s
lint	26s
build-conda-macos-x86_64 (macos-13)	7m 4s
build-native-linux (almalinux9)	6m 56s
build-native-linux (ubuntu20.04)	5m 31s
build-native-linux (ubuntu22.04)	5m 10s
build-native-linux (ubuntu24.04)	6m 35s
	52m 17s

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