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A record written to stdout carries no priority, so journald files the whole stream at one level and the swarm log store shows `info` whatever level `tracing` gave it. Under a systemd unit the process's stdout already *is* the journal, so the fix is to speak the journal protocol directly and let each record carry its own severity. New `hive-log` crate holds the one sink chooser, called by `hive-c0re`, `hive-agent` and `swarm-controller`. It builds the same `EnvFilter` those binaries always built, then installs exactly one layer — never both, since a journald layer stacked on the `fmt` layer under a unit stores every record twice. The choice is an fstat compare, not a presence test: a child inherits `$JOURNAL_STREAM` even when its own stdout was redirected elsewhere, so the variable existing proves nothing. The crate parses `dev:inode` out of it and compares both numbers against an fstat of stdout, the descriptor the `fmt` layer writes to by default. No match, unset, or unparseable takes the `fmt` branch. A journald layer that fails to construct despite a match falls back to `fmt` and warns through it — a process must never fail to start because of its logger. |
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| Cargo.toml | ||
| README.md | ||
hive-agent
The in-container harness serve-loop binary — one instance per agent.
Long-polls the broker inbox and drives one claude --print turn per
inbox message, over the hive-claude driver. There is one role here
(agent); the Surface trait + AgentSurface zero-sized type tag keep
the turn loop generic and testable for future roles without a
parallel copy of the loop.
When to use it
You don't call into this crate from elsewhere — it's the top-level
binary systemd starts per agent container. Look here when you need to
understand or change: what happens between "a message lands in the
inbox" and "claude produces a reply", how login/auth is bootstrapped,
how the per-agent web UI is served, or how turn/event stats get
recorded. Architecture detail lives in
docs/turn-loop/; this README is just the
map of the module tree.
Shape
turn.rs— the turn-loop policy layer: renders the system prompt + MCP config, invokeshive-claude, classifies the outcome, and feeds the event/turn-stats sinks.client.rs— broker client (inbox poll, ack, send) speaking thehive-sh4rewire protocol.login.rs/login_session.rs— first-run and session-resume auth flow for theclaudeCLI.mcp_config.rs— renders the per-turn--mcp-config/--allowedToolsblob from tool groups + capabilities.todos.rs/reminders.rs/todo_server.rs— the harness-local loose-ends v2 stores (sqlite-backed) and the in-agent socket server extra MCP daemons +hive-agent-mcpdial into for todo/reminder ops.vacuum.rs— periodic sqlite vacuum sweep for the harness-local stores.events.rs/turn_stats.rs/stats.rs— append-only event sink and per-turn telemetry recording (context usage, cost, tool favorites) underharness/.forge_notify.rs— subscribes to forge notifications and wakes the harness on new activity.prompt.rs— system-prompt renderer (persona + tool docs + environment facts).web_ui/— the per-agent dashboard (terminal pane, status, schedules) served over the built-inhive-agentweb port.paths.rs— canonical path resolution for state/harness dirs and the harness-local sqlite files.
Sibling: hive-agent-mcp (the MCP server this loop points claude
at every turn). Both are described together in
docs/turn-loop/::Harness binary shape.