Bullets for #922 (release titles), #923+#924 (sponsors), #925 (contact), #927 (models), #928 (openapi), #930 (engines) — the agents kept off CHANGELOG.md during the merge chain. Plus a portable how-we-set-up- sponsorship playbook for reuse on other projects. Co-authored-by: mergetest <test@local> Co-authored-by: Claude Fable 5 <noreply@anthropic.com>