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hyperhive/hive-c0re
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Filename Latest commit message Latest commit date
atlas b08176f089 feat(#2693): let the operator pin the claude-code every agent runs 
Agents run whatever `claude-code` the meta flake's `nixpkgs` resolves
to, and that is normally a release channel. This one package moves fast
enough that stable trails unstable by weeks — 26.05 is on 2.1.187 while
unstable carries 2.1.220 — and an agent cannot fix it for itself: it
only ever sees the single nixpkgs hive-c0re injects, so an `agent.nix`
has no other tree to reach for.

New host option `services.hyperhive.c0re.claudeCodePackage` takes the
package directly and rides the existing `hyperhiveDocs` threading path —
serveConfigJson -> HiveEnv -> render_flake — to reach each agent as
`hyperhive.claudeCodePath`. Null (the default) is today's behaviour.

What travels is the store *path*, as a plain string literal, not a flake
input: containers share the host's `/nix/store`, so the build is already
reachable inside them with its whole closure and has nothing to travel.
An input would be worse than useless — a `path:/nix/store/<pkg>` input
is re-copied as a reference-less `-source`, which strips exactly the
closure the binary needs.

The catch is that a path written into a generated flake is text, so
nothing in the container's closure keeps the binary alive. The host does
that instead, and gets it for free: the package is interpolated into
`/etc/hyperhive/serve.json`, `builtins.toJSON` preserves string context,
so the /etc entry references it and the system closure gc-roots it for
as long as that generation is the one the agents were rendered from. An
assertion pins that property, because losing the context is invisible at
eval and at deploy — it would surface only as every agent failing to
spawn `claude` whenever the next gc ran.

Container side wraps the path in a symlink farm rather than putting it
on PATH directly: `systemd.services.<name>.path` and
`environment.systemPackages` both coerce a store-path *string* through
`lib.toDerivation`, i.e. `builtins.storePath`, which pure evaluation
rejects. Interpolating the path into a builder is just text and
evaluates anywhere. `claude-code` drops out of systemPackages when a
pin is set, so there is exactly one claude in the container.

Refs #2693
2026-07-27 13:56:28 +02:00
..
src feat(#2693): let the operator pin the claude-code every agent runs 2026-07-27 13:56:28 +02:00
Cargo.toml docs: declare readme = "README.md" for the last four crates 2026-07-27 09:35:06 +02:00
README.md docs: trim readmes down, stop restating impl detail the module docs already own 2026-07-26 21:01:00 +02:00

README.md

hive-c0re

The unprivileged host daemon (runs as hive-core). Owns the sqlite broker, the approval/question/schedule queues, the generic job-DAG queue, container lifecycle, gateway/forge/matrix provisioning, per-container stats, and the axum operator dashboard. Largest crate in the workspace — bin-only, no separate lib.

When to use it

Host-level, cross-container orchestration: spawning/rebuilding/ destroying agent containers, the approval flow, dashboard-visible state, provisioning per-agent forge/matrix/gateway accounts. Agent-side behavior (turn loop, MCP tools) lives in hive-agent/hive-agent-mcp instead — this daemon only talks to agents over the socket wire types in hive-sh4re.

Shape

Cohesive clusters live in directory submodules, each re-exported at the crate root (crate::broker::… keeps resolving regardless of which subdirectory a module actually lives in). One line each — read the module's own //! doc-comment for real detail, don't expect this file to track it:

  • dashboard/ — the operator dashboard (containers, approvals, schedules, questions, logs, topology).
  • job_queue/ — the job-DAG queue + desired-state reconciliation (docs/coordinator.md).
  • lifecycle/ — nixos-container lifecycle + per-agent config flake generation.
  • stores/ — sqlite-backed stores (broker, queues, audit, power).
  • workers/ — background sweeps (crash watch, scheduled prompts, auto-update, knowledge sync).
  • agent_config/ — per-agent registries (tool groups, capabilities, resource limits, topology).
  • stats/ — dashboard metrics aggregation + OTEL export.
  • socket_server/ — the unix-socket request server shared by per-agent + manager sockets.
  • forge/ — optional Forgejo wiring (docs/forge.md).
  • coordinator.rs — top-level wiring for serve.
  • meta.rs, migrate.rs — the meta flake + schema/state migrations.
  • matrix.rs, gateway_nginx.rs, webhook_secret.rs, priv_client.rs — matrix provisioning, gateway vhosts, webhook secrets, and the hive-priv client respectively.

See the top-level CLAUDE.md/docs/ index for the full reading-path map.