docs: clarify required-context count + document solo-owner admin-merg… #85

Job	Run time
Type Check	20s
Unit tests	22s
Coverage	24s
Pre-commit	1m 9s
File length	6s
Architecture (import-linter)	13s
Lint & Format	9s
Frontend Build	14s
Commit-type sync	10s
Branch-protection contexts sync	8s
Action pinning audit	5s
Aspirational ticket cite	7s
Frontend Quality	19s
src/ README audit	7s
Version bump check	0s
Tests required	0s
	3m 53s

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