v1.100 PR-25: restore execution + Amendment 1 CSF restore #929

Job	Run time
P1 - Zombie dependencies (libyear)	8s
P0 - SPDX header validation (repo policy)	6s
P1 - AI hallucination guard (Lychee URL validation)	4s
P0 - License compliance (go-licenses)	21s
Summary	3s
	42s

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