docs: the handbook follows the three layers: swarm, hives, agents
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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# Swarm-wide knowledge repository
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`internal/knowledge` on the forge is a shared reference doc repo
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readable by every agent. hive-c0re clones it to the host and
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bind-mounts the clone read-only into every agent container at
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`/knowledge`.
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## Agent access
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Inside any agent container:
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```
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/knowledge/ # read-only bind-mount of the local clone
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/knowledge/README.md # table of contents (seeded on first use)
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```
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<!-- vale write-good.Passive = NO -->
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Agents read documents directly from that path. The mount is
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read-only — agents never write through it. To contribute, use the
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`hive-forge` AGit flow (no fork needed — see
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[Contributing](#contributing)); the operator reviews and merges, and
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the local clone updates automatically (see
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[Sync mechanism](#sync-mechanism) below).
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<!-- vale write-good.Passive = YES -->
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## Repository layout
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Canonical forge location: `internal/knowledge` (org `internal`,
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repo `knowledge`). The repo is public, so every agent's forge account
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has read access without an explicit per-agent collaborator grant;
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only site admins can push: `core`, and swarm-controller's own account,
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which seeds the README.
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The swarm controller creates the repo if it doesn't exist, at startup
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and every few minutes after, and seeds an empty one with a `README.md`
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containing a contribution guide and a blank table of contents. Add an entry to that ToC each time you
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create a new document.
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## Sync mechanism
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hive-c0re maintains the local clone at
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`/var/lib/hyperhive/knowledge` via two paths:
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1. **Swarm event** — the swarm controller holds the single push hook on
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`internal/knowledge` (see `docs/2-handbook/swarm/README.md` § Swarm-wide forge
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webhooks). On any push to main, including merge commits, it sends an
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event to every hive over the swarm queue and each hive runs `git
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pull`, so agents see the new content on their next turn.
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A hive that's offline when the swarm controller sends the event
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doesn't get it on reconnect — the periodic pull below is what closes that gap. One
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hive briefly showing older `/knowledge` content than another is
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expected, and resolves by itself within the fallback interval.
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**don't add a per-hive hook.** A webhook has exactly one target
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URL, so a second registration against the same repo doesn't add a
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recipient — it takes delivery away from whoever registered first.
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Earlier versions had each hive register its own, and later ones
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removed that leftover at startup. A hive upgraded straight past those
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versions still holds its old hook: delete any hook on the repo that
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points at a hive's own `/webhook/knowledge`.
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2. **Periodic pull** — a background task in `hive-c0re::main`
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queues a pull on a fixed cadence as a fallback (webhook missed, c0re
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restarted between pushes). The pull is best-effort — a failure
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shows as a failed `KnowledgePull` node on the job queue, counts toward
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the `knowledge_pull` hive warning, and doesn't affect the rest of the daemon.
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Both paths, and the one pull at boot, queue the same `KnowledgePull` job
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node. It holds the working tree for its duration, so two pulls never run
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over each other — each trigger queues its own pass, and a pass that lands
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while another is already queued or running waits its turn, since the
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one ahead of it may have fetched before the push. The node runs
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`knowledge::pull()`, which also handles the change notice below.
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### Change notice
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When a pull actually moves the local clone's `HEAD` (a real change,
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not a no-op — for example the periodic pull finding nothing new), hive-c0re
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broadcasts a short notice to every currently registered agent's inbox:
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sender `system`, body `[system] /knowledge updated:` followed by a
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`git diff --stat <old>..<new>` summary of what changed (or a generic
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"see the repo" fallback if computing the diff itself fails). This is
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the same broadcast mechanism used for other hive-wide notices — inbox
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message only, no forced wake, and it carries the standard "this was a
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broadcast" hint. hive-c0re logs a diff or per-agent send failure
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without blocking the pull itself.
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On a hive with no local clone yet, `knowledge::pull()` takes the clone
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instead of pulling, so every hive gets `/knowledge` from its first pull,
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whether or not it runs the forge. It authenticates with the hive's forge
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read token when it has one (see
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[forge.md](forge.md#how-a-hive-reads-the-forge)) and clones the public
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repo anonymously otherwise.
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## State
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<!-- vale write-good.Passive = NO -->
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- **Host clone**: `/var/lib/hyperhive/knowledge` — persists across
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hive-c0re restarts and agent destroy/recreate. Deleted only by
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manual operator action.
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- **In-container mount**: `/knowledge` — bind-mounted read-only
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from the host clone on every container start. Gone when container
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is stopped; reappears on next start with the current clone state.
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<!-- vale write-good.Passive = YES -->
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The mount deliberately **excludes `.git`**: hive-priv overlays an empty
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tmpfs at `/knowledge/.git`, so agents see the documents, not the branches or
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history. An older clone also kept a token in `.git/config`; `knowledge::pull()`
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rewrites that remote to the plain URL.
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## Contributing
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Agents have read access to `internal/knowledge` (it's public) but no
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write access, so they can't push a branch directly. The supported path
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is Forgejo's **AGit flow** through the `hive-forge` CLI — no fork
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required.
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1. Clone the repo (`hive-forge` injects credentials automatically;
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the `-r` flag selects the repo, the clone lands in `./knowledge`):
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```sh
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hive-forge -r internal/knowledge clone
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cd knowledge
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```
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2. Create a branch and add or update a document, then commit normally.
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3. Open (or update) a PR with `--agit`. This pushes the current `HEAD`
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to `refs/for/<base>/<topic>`, which Forgejo turns into a PR even
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though you can't push a branch:
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```sh
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hive-forge -r internal/knowledge pr create --agit \
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--title "docs: add the X runbook" \
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--topic add-x-runbook \
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--body-file - <<'EOF'
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What this document adds and why.
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EOF
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```
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Re-running with the same `--topic` updates the open PR (it
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force-pushes the AGit scratch ref). The base defaults to `main`;
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in `--agit` mode the push goes to the `origin` remote that
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`hive-forge clone` set up.
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4. The operator reviews and merges. The webhook fires on merge; every
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running container sees the updated content within seconds (see
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[Sync mechanism](#sync-mechanism)).
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Do **not** try to `git push` a branch directly — lacking write access,
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it's rejected. The `--agit` flow above is the no-fork path that works
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from any agent.
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