62d1a74929
revert the earlier 'operator must set allowUnfree' move: per-agent containers evaluate their own nixpkgs and the operator's host-level allowUnfree doesn't propagate in. restoring the scoped allowUnfreePredicate inside both the claude-unstable overlay and harness-base.nix; documented in README + gotchas as 'nothing to set on the operator side'. docs: - claude.md file map adds crash_watch.rs, kick_agent on coordinator, /api/model + journald viewer + bind-with-retry references. - scratchpad rewritten to reflect the recent run. - web-ui.md: notification row + browser notifications section, state row (badge + model chip + last-turn chip + cancel button), per-agent inbox, /model slash, /cancel-question + journald endpoints, focus-preservation on refresh. - turn-loop.md: --model is read from Bus::model() per turn (runtime override via /model); recv(wait_seconds) up to 180s with the rationale; ask_operator gains ttl_seconds; new TurnState section; kick_agent inbox-on-startup hint. - approvals.md: ttl/cancel resolution paths for operator questions. - persistence.md: /state/hyperhive-model file. - gotchas.md: web UI port collision policy (rename, don't probe); bind retry + SO_REUSEADDR shape; auto-unfree restored. - todo.md: cleaned up empty sections and stale entries; /model shipped, dropped from the list.
104 lines
4.1 KiB
Markdown
104 lines
4.1 KiB
Markdown
# Persistence + retention
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Where state lives, what survives what, and how it's bounded.
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## Two sqlite databases
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### `/var/lib/hyperhive/broker.sqlite` (host)
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Three tables, all in one file:
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- `messages` — every inter-agent / operator-bound message.
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`sender / recipient / body / sent_at / delivered_at`.
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- `approvals` — the queue. `agent / kind (apply_commit | spawn) /
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commit_ref / requested_at / status / resolved_at / note`.
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- `operator_questions` — `ask_operator` queue.
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`asker / question / options_json / multi / asked_at /
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answered_at / answer`.
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Retention:
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- `Broker::vacuum_delivered` runs hourly via a tokio task in
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`hive-c0re::main`. Drops delivered rows older than 30 days.
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Undelivered rows are always kept (still in flight).
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- Approvals and questions are kept indefinitely — both are
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audit trails. `actions::destroy` and answered questions stay
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visible to anything that queries by id.
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### `/state/hyperhive-events.sqlite` (per agent)
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Lives inside each container's bind-mounted `/state/` dir (host
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path: `/var/lib/hyperhive/agents/<name>/state/hyperhive-events.sqlite`).
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One table:
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- `events(id, ts, kind, payload_json)` — every `LiveEvent` the
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harness emits during turn loop execution.
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The harness writes; the host vacuums. `hive-c0re::events_vacuum`
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runs hourly and sweeps every existing agent state dir, applying the
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same two-stage delete to each file: drop rows older than 7 days,
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then trim to the 2000 most-recent. Centralising retention on the
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host means a misbehaving harness can't disable its own vacuum and
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agents don't need any cleanup wiring of their own.
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Path overridable via `HYPERHIVE_EVENTS_DB` (for dev / no-`/state`
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setups). On open failure the `Bus` falls back to no-store mode
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rather than crashing the harness — events still broadcast over SSE,
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just nothing persisted.
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### `/state/hyperhive-model` (per agent)
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Single-line text file holding the claude model name currently
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selected for this agent (default `haiku` when absent). Written by
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`Bus::set_model` whenever the operator flips it via `/model
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<name>` in the web terminal. Read once at harness boot in
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`Bus::new`. Path overridable via `HYPERHIVE_MODEL_FILE`.
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Survives destroy/recreate, gone on `--purge`.
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## State dirs (per agent)
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Under `/var/lib/hyperhive/agents/<name>/`:
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- `config/` — the proposed nix repo (manager-editable).
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- `claude/` — claude OAuth credentials, bind-mounted RW to
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`/root/.claude` inside the container.
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- `state/` — durable notes + the events.sqlite db, bind-mounted
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to `/state` inside the container.
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Under `/var/lib/hyperhive/applied/<name>/` — the hive-c0re-only
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applied repo (`flake.nix` + `agent.nix`) that the container
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actually builds from.
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## Destroy vs purge
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- `DESTR0Y` (default) — stops + removes the nspawn container,
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drops the systemd drop-in, fails any pending approvals. State
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dirs stay put; the agent appears in the dashboard's K3PT ST4T3
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section as a tombstone with `⊕ R3V1V3` and `PURG3` actions.
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`R3V1V3` queues a Spawn approval that reuses the kept state on
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approve (no re-login).
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- `PURG3` (opt-in via the dashboard button or
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`hive-c0re destroy --purge <name>`) — DESTR0Y plus wipes
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`/var/lib/hyperhive/{agents,applied}/<name>/`. Config history,
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claude creds, /state/ notes, and the events db are all gone.
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No undo.
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The manager is non-destroyable from both paths (declarative
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container; would fight with the host's NixOS config).
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## Run-time dirs
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`/run/hyperhive/` is tmpfs-backed (systemd `RuntimeDirectory=`) but
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preserved across hive-c0re restarts via `RuntimeDirectoryPreserve=yes`.
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Without that, every restart wipes bind sources and existing
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containers can't be started.
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- `/run/hyperhive/host.sock` — admin socket (host-side CLI).
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- `/run/hyperhive/manager/mcp.sock` — manager-privileged socket.
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- `/run/hyperhive/agents/<name>/mcp.sock` — per-sub-agent socket
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(bind-mounted into the container as `/run/hive/mcp.sock`).
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On startup, `Coordinator::register_agent` drops any prior socket
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task before rebinding — idempotent so a hive-c0re restart followed
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by `rebuild alice` recreates the agent's socket without a clean
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reinstall.
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