docs: README internal-drift fix + DOC-04/05/06 done-in-tree (Refs #17… #263

Job	Run time
governance / Language / package anti-pattern policy	8m 37s
governance / Well-Known (RFC 9116 + RSR)	8m 37s
governance / Workflow security linter	8m 37s
governance / Guix primary / Nix fallback policy	8m 37s
governance / Code quality + docs	8m 37s
governance / Security policy checks	8m 37s
	51m 42s

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