The PO is itself a project using the agent-orchestrator harness (engine/ submodule pinned at v0.1.0). Adds: agents.toml (one persistent fleet-management agent) + prompts/; fleet.toml (the sole project<->harness<->ref registry) + docs/fleet-registry.md; scripts/ (fleet.py + create/start/stop/update-project.sh); docs/manage-projects.md + docs/bootstrap.md; flake.nix/.lock devShell (python311+tmux+git); README. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>