vine: check the availability of staged inputs #259

Job	Run time
build-conda-linux	6m 19s
build-conda-macos-arm64 (macos-14)	4m 56s
build-conda-macos-x86_64 (macos-14)	4m 34s
build-native-linux (almalinux8)	5m 58s
lint	31s
build-conda-macos-x86_64 (macos-13)	7m 13s
build-native-linux (almalinux9)	6m 47s
build-native-linux (ubuntu20.04)	5m 32s
build-native-linux (ubuntu22.04)	5m 16s
build-native-linux (ubuntu24.04)	6m 31s
	53m 37s

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