feat: pin-freshness audit + composite-action coverage #80

Job	Run time
Pre-commit	1m 2s
Unit tests	26s
Coverage	24s
Architecture (import-linter)	13s
Type Check	20s
Lint & Format	9s
Action pinning audit	5s
Version bump check	8s
src/ README audit	6s
File length	5s
Tests required	5s
Aspirational ticket cite	8s
Commit-type sync	10s
Frontend Quality	18s
Frontend Build	20s
Branch-protection contexts sync	11s
	4m 10s

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