- Pure helpers: addAgentToRoster, removeAgentFromRoster, serializeRosterToYaml - fleet add <name> --runtime --class [--model] [--working-dir] [--no-start] - fleet remove <name> [--keep-files] - Guard: refuse to remove the sole orchestrator (R5) - Unit tests for all pure helpers and command wiring via injected runner Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]> Claude-Session: https://claude.ai/code/session_01RMoEx7hfdFGjUiCHuN1RRi