hyperhive/TODO.md
müde 497cd15137 docs: tag-driven config-apply plan + migration story
scratchpad in claude.md marks this as in-flight; docs/approvals.md
gets the new tag state machine (proposal/approved/building/deployed/
failed/denied) and the manager applied.git read-only mount. todo
picks up the unprivileged-containers git-identity caveat and a web
ui for config repos as a downstream follow-up.
2026-05-15 22:43:47 +02:00

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# TODO
Pick anything from here when relevant. Cross-cutting design notes live in
[CLAUDE.md](CLAUDE.md); high-level project intro in [README.md](README.md).
## Permissions / policy
- **Per-agent send allow-list.** Today any agent can `send` to any
other recipient (peer, manager, operator). Add a per-agent
policy that constrains the `to` field — declared in `agent.nix`,
e.g. `hyperhive.allowedRecipients = [ "manager" "alice" ]`.
Broker rejects with an `Err { message }` when the policy denies.
Default: unrestricted (back-compat). The manager can still
always send anywhere. Useful for sandboxing untrusted sub-agents
so they can only talk to the manager, not other sub-agents.
## Security
- **Unprivileged containers (userns mapping).** Today the nspawn container
runs as a fully privileged root. Goal: `PrivateUsersChown=yes` (or the
nixos-container equivalent) so uid 0 inside maps to an unprivileged uid
on the host, and a container-root compromise lands the attacker on an
ordinary user account, not the host's root. Requires per-agent state
dirs to be chown'd to that uid on the host side. The per-agent git
identity (currently injected via `programs.git.config.user` against
the root user in `setup_applied`'s generated flake) also needs to be
provisioned for whatever non-root user claude runs as, or commits
the manager makes against `/agents/<n>/config` will fall back to a
generic `nixos@…` identity.
- **Bash command allow-list.** Replace the blanket `Bash` allow with a
pattern allow-list (`Bash(git *)`, `Bash(nix build .*)`, etc.) per
claude-code's `--allowedTools` extended grammar. Likely lives in
`agent.nix` so each agent can scope its own shell surface.
## Per-agent extension
- **Custom per-agent MCP tools.** Today every sub-agent gets the
same fixed MCP surface (`send`, `recv`). To move bitburner-agent
(and anything else with rich domain tooling) into hyperhive, an
agent needs a way to ship its own tools alongside hyperhive's.
Sketch: `agent.nix` declares a list of extra MCP servers
(command + args + env), each registered into the agent's
`--mcp-config` blob at flake-render time. The harness MCP server
remains the hyperhive surface; new servers slot in as additional
entries under `mcpServers.<name>` so claude sees them as
`mcp__<name>__<tool>`. Per-agent tool whitelist (`allowedTools`)
derived from the same config so the operator stays in control of
what's exposed.
## Bugs
- **Pending question doesn't always appear on the dashboard.**
Repro: manager calls `ask_operator`, tool result is
`question queued (id=N)` (so the row is in sqlite), but the
M1ND H4S QU3STI0NS section keeps showing "no pending
questions". Last seen with id=5. Suspected paths:
- `OperatorQuestions::pending()` returns Err and the
`unwrap_or_default()` in `api_state` hides it. Surface the
error (warn-log) and check.
- serialization: a new field in `OpQuestion` (e.g.
`deadline_at: Option<i64>`) deserializes wrong against an
old row whose columns don't match the new SELECT order →
`row.get(N)?` panics for that row, the whole iterator
errors, `pending()` returns Err. Diagnose by curl
`/api/state | jq '.questions'` and compare with sqlite
counts.
- dashboard JS swallows a render error. Open browser console
and look for exceptions during `renderQuestions`.
## UI / UX
- **Web UI for config repos.** Browse history, diffs, tags
(proposed + approval/* + applied/*) per agent, all from the
dashboard. Something lighter than a full forge — read-only
log + diff + raw-file view is enough. Pairs naturally with
the upcoming config-repo overhaul (tags become the audit
trail; UI surfaces them).
- **xterm.js terminal** embedded per-agent, attached to a PTY exposed by
the harness. Pairs well with the unprivileged-container work — would let
the operator drop into the container without `nixos-container root-login`.
## Telemetry
- **Harness stats per agent in sqlite, charted on the agent page.**
bitburner-agent samples 18 series; for hyperhive the generally-applicable
ones are:
- turns/min, tool calls/turn, turn duration p50/p95
- claude exit code distribution (ok vs `--compact`-retry vs failure)
- inbox depth (current + max-over-window)
- messages sent/received per turn (split by recipient: peer / operator /
manager / system)
- approval queue length (across all agents — dashboard-level)
- per-tool usage counts (Read/Edit/Bash/send/recv/…)
- time-since-last-turn (helps spot stuck agents)
- notes file size growth (cues compaction)
Backend: a `stats` table with `(agent, ts, key, value)` written from
the harness on `TurnEnd`; `GET /api/stats?since=…` returns the
series; agent page renders with a small chart lib (uPlot is light).
## Spawn flow
- **Two-step spawn.** Today `request_spawn(name)` is one shot: manager
asks → operator approves → container is created with a default
`agent.nix` and empty `/state/`. Manager has no way to pre-stage
per-agent prompt material, package additions, or initial notes before
the agent first wakes. Split into:
1. `request_spawn_draft(name)` — host creates the per-agent
`proposed/` repo (initial commit) and `state/` dir with no
container; manager now has `/agents/<name>/{config,state}/` to
edit + commit just like an existing agent.
2. `request_spawn_commit(name, commit_ref)` — submits the queued
approval; operator sees the diff in the dashboard like a normal
`apply_commit`; on approve the container is created from that
commit.
Backwards-compat: keep the existing one-shot `request_spawn` for
trivial agents (operator can still type a name in the dashboard).
Surface "drafts" as a new section between K3PT ST4T3 and approvals.
## Loop substance
- **Notes compaction.** `/state/` is bind-mounted persistently and agents
are told (in the system prompt) to keep `/state/notes.md` for durable
knowledge — but we don't currently nudge them to compact when notes
grow. Bitburner-agent's pattern: a short-lived secondary claude session
that takes the existing notes + a "compact this" prompt and rewrites
them in place. Add when the notes start bloating.