staked v0.1.0

first public release.

• roles.yml: which paths each agent owns
• generates CLAUDE.md, AGENTS.md, .cursor/rules/staked.mdc, GEMINI.md
• pre-commit hook refuses commits outside an agent's lane
• questions ledger: agents ask with a safe default and keep working
• board, handover, doctor

npm i -D @zerwone/staked