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- M2 lab now `git init -b main` (with older-git fallback note) so every later `main` reference resolves; reconciled M3/M6/M7/M8 wording and M10's standalone review-lab repo (`git init -qb main`). - M9: replace "issues are on by default on every forge" with a provider-neutral version naming the exceptions (Bitbucket/Azure DevOps/SourceHut). - M14: qualify "hosted runners need zero setup" — true for SaaS forges; the self-hosted track needs a runner attached (Module 19). Both paths stay valid. Closes #5 Closes #13 Closes #16 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TfzV5QvtPDz8LJS3Pu5VLT