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swarm-controller: create every agent's subagent stream

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swarm-controller now creates `term-sub-<agent>` for every agent a hive is
declared to run, at start and every minute after, with the config
`swarm_queue_client::subagent_term::open_or_create` spells (subjects
`$SWARM.term.<agent>.sub.>`, max_age 24h). An existing stream is opened as
it is, as the controller does for its other streams and buckets, under the
`$JS.API.STREAM.CREATE.*` grant it already holds.

The agent no longer creates the stream: its token is granted publish on
`$SWARM.term.<agent>.sub.>` and no `$JS.API.STREAM.CREATE|INFO` subject,
and the subagent daemon only publishes. A `CREATE` carries the stream's
config in its payload, which no subject grant narrows, so the agent could
otherwise pick the stream's subjects and limits.
This commit is contained in:
atlas 2026-10-02 23:34:27 +02:00 • committed by mara
commit 318f67cda9
13 changed files with 135 additions and 102 deletions
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6
swarm-nats-auth/src/main.rs
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@ -363,16 +363,12 @@ mod tests {
"$KV.agent-icons.{agent}",
"--agent-token-publish-subject",
"$SWARM.term.{agent}.sub.>",
"--agent-token-publish-subject",
"$JS.API.STREAM.CREATE.term-sub-{agent}",
"--agent-token-publish-subject",
"$JS.API.STREAM.INFO.term-sub-{agent}",
"--store-cert-role",
"swarm-nats-auth",
])
.expect("the unit's own argument vector must parse");
assert_eq!(args.agent_client_suffix, "-agent");
assert_eq!(args.agent_token_publish_subjects.len(), 6);
assert_eq!(args.agent_token_publish_subjects.len(), 4);
}
/// The control for the case above: an ordinary value parses through the