Test

refactor: unify color/cmap/norm pipeline — CmapParams methods + single continuous-norm #1803

Job	Run time
get-environments	11s
hatch-test.py3.14-pre (PRE-RELEASE DEPENDENCIES)	2m 57s
hatch-test.py3.11-stable	5m 4s
hatch-test.py3.14-stable	6m 44s
Tests pass in all hatch environments	4s
	15m 0s

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