<!-- groove:managed — do not edit; changes will be overwritten by groove update -- groove-admin-install Outcome All groove backends are installed in dependency order, companion skills and groove skill symlinks are present (first install is not complete without them), AGENTS.md contains the session bootstrap, and the repo is ready for use. Acceptance Criteria - Task and memory backends installed (or clearly reported if a step failed) - Companion skills installed (find-skills, agent-browser, pdf-to-markdown) — required; verify each exists after step 4 - Platform symlinks — and point at — requir…