The handbook's sections were agent-lifecycle, integrations, swarm, tools,
trust-boundary and web-ui, which do not follow how the system is built, so a
reader could not tell which layer a page is about. Its pages now sit in
swarm/, hives/ and agents/, with the accounts an agent can hold outside the
system in external-accounts/.
- swarm/: forge, matrix and the knowledge repo join the swarm pages, and so
does the swarmctl reference.
- hives/: the dashboard, hivectl and its reference, and the operator/agent
boundary, with a README that takes over the old web-ui and tools pages.
- agents/: the roster, persistence, config changes, the agent's own web page
(was web-ui/agent) and the security model, with a README.
- external-accounts/: GitHub and GitLab.
Pages are moved whole; none is split yet. Every reference follows: relative
links in the docs, `docs/2-handbook/...` paths in code comments, the nix
checks that regenerate the CLI references and the ignore list, and docs/README.md,
whose handbook section is now by layer.
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