HB filter set characteristics and data reduction tools #548

Job	Run time
Python 3.14 with all optional dependencies (MacOS)	55s
tests / Load tox environments	9s
tests / Python 3.14 with minimal dependencies, measuring coverage	43s
tests / Python 3.10 with oldest supported versions, measuring coverage	43s
tests / Code style checks	24s
tests / Python 3.14 with all optional dependencies, measuring coverage	44s
	3m 38s

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