Use plan-status as the only machine state source for plan queueing, claiming, and finishing.
Route record-plan through queue insertion and update templates/prompts to match the single-state model.
BREAKING CHANGE: playbook.py -record-spec and main_loop.py record are removed.
remove obsolete main_language placeholders and language summary template text
limit generated .agents guidance to configured langs and normalize AGENT_RULES trailing newlines
document install_skills no_backup behavior and refresh tests for deployment links and sync flows