The `agent_swarm` tool works with the mode off; what the mode adds is the
doctrine — decompose finely, give every member a disjoint scope, do not
do the work yourself. `/swarm`, `/swarm on|off`, `/swarm <task>`, gated
on the tool actually being in the toolset.
Two triggers, not upstream's three. Upstream's `tool` trigger exists so
invoking the tool makes the doctrine appear; kigi's tool carries its own
description and works with the mode off, so that trigger would add a
state only the tool can reach. `Manual` persists until switched off,
`Task` expires at turn end — both are real user intents.
Load-bearing decisions, each from a defect found in review:
- Expiry is a DROP guard, not a post-loop call. A user interrupt aborts
the turn future rather than cancelling it, so post-loop code never
runs; three `?` paths skip it too. Either way a `/swarm <task>` mode
would leak into the next, unrelated prompt.
- `enter` is a total no-op while armed, so the `/swarm <task>` shorthand
cannot downgrade a standing `/swarm on` into a per-turn mode that then
disarms itself. This matches upstream; the first cut diverged, and the
test asserting the divergence was inverted with the fix.
- An explicit `/swarm off` retracts UNCONDITIONALLY. The doctrine rides
the conversation and so survives a resume, a fork and a compaction that
an in-memory flag does not; trusting the flag left a session reading
"off" with the instruction still steering and no way to clear it. That
also retires the `reminder_live` field, whose doc comment claimed to
know something the code cannot.
- The mode is deliberately NOT persisted, unlike /goal and /graph: those
strand real work when lost, this is a prompt hint whose recovery is
retyping one command. Recorded in AGENTS.md so the omission reads as a
decision, not a gap.
- The pre-session gate is `subagents_enabled`, not a hardcoded `true`:
the builder strips `agent_swarm` wherever it strips `task`, and
advertising it then offers a menu entry that resolves to literal text.
- The exit reminder is as emphatic as the doctrine it revokes; a single
weak clause is the likelier of the two to be summarised away.
The doctrine rides the existing `push_system_reminder` channel rather
than a second injection path of its own.
ZacharyZhang-NY
16328e55f9