fix(installer): update cascade fix — rebuild exit codes + daemon recovery + dpkg resilience #770

Job	Run time
P1 - AI hallucination guard (Lychee URL validation)	4s
P0 - SPDX header validation (repo policy)	7s
P0 - License compliance (go-licenses)	14s
P1 - Zombie dependencies (libyear)	23s
Summary	5s
	53s

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