Knowledge-track: functional Grav plugin config must live in the tracked user/config/plugins/<name>.yaml override, not the gitignored (and gpm-update-wiped) user/plugins/<name>/<name>.yaml. Secrets stay in gitignored *-private.php. Root of the api plugin being unconfigured on the fresh prod install. Cross-linked with the api/rc.10 install-failure doc. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Np4cMQLF77i664CAQXySzU