chore: CI meta-gates (branch-protection contexts sync, commit-types sync) #18

Job	Run time
Lint & Format	10s
Pre-commit	1m 5s
Architecture (import-linter)	10s
Type Check	14s
Unit tests	12s
Branch-protection contexts sync	10s
Commit-type sync	12s
Coverage	14s
	2m 27s

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