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swarm: per-agent inference settings (model, effort, subagent_models) in KV

Browse source 
swarm-controller keeps each agent's inference settings in a new
`agent-inference` KV bucket, one key per agent, and is its only writer
(`GET`/`PUT`/`DELETE /api/agents/{name}/inference`; `swarmctl agent
inference get|set|clear`). Every field is optional. Each agent reads its
own key every 10 s through a direct-get grant on that key alone, and a
set `model` or `effort` replaces the Bus value, so the next turn runs on
it and the badge follows.

The swarm value is applied without persisting it: `Bus::set_model` and
`set_effort` are split into a persisting setter and a non-persisting
`apply_*`, and the poller uses the latter. Otherwise the swarm value
would overwrite `hyperhive-model`/`hyperhive-effort`, and clearing it, or
a restart, would no longer find the agent's own value. An unset field
changes nothing; a field cleared after being applied goes back to the
local value (`harness_state::local_model`/`local_effort`, the same
resolution `Bus::new` uses), read again at the clear.

`subagent_models` is validated, stored and shown by `get`; no agent
applies it yet.

Refs #5034
This commit is contained in:
atlas 2026-10-09 23:11:58 +02:00
commit 916fdb35b8
24 changed files with 1432 additions and 34 deletions
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10
swarm-controller/src/schedules.rs
View file

@ -404,7 +404,7 @@ async fn open_or_create_definitions(client: &async_nats::Client) -> anyhow::Resu
/// The value of `key` decoded, with the revision to write it back against.
/// An absent or deleted key is the default value.
async fn read<T: Default + serde::de::DeserializeOwned>(
pub(crate) async fn read<T: Default + serde::de::DeserializeOwned>(
store: &Store,
key: &str,
) -> anyhow::Result<(T, Option<u64>)> {
@ -425,7 +425,7 @@ async fn read<T: Default + serde::de::DeserializeOwned>(
/// Write `value` to `key` against `revision`. `Ok(false)` when another write
/// landed first.
async fn write<T: Serialize>(
pub(crate) async fn write<T: Serialize>(
store: &Store,
key: &str,
value: &T,
@ -549,7 +549,7 @@ pub(crate) fn spawn_reconcile(
}
/// The connected queue client, or the problem.
fn queue(state: &AppState) -> Result<async_nats::Client, (StatusCode, String)> {
pub(crate) fn queue(state: &AppState) -> Result<async_nats::Client, (StatusCode, String)> {
let status = state.status.as_ref().ok_or_else(|| {
(
StatusCode::SERVICE_UNAVAILABLE,
@ -566,12 +566,12 @@ fn queue(state: &AppState) -> Result<async_nats::Client, (StatusCode, String)> {
Ok(client)
}
fn refused((status, detail): (StatusCode, String)) -> ProblemDetails {
pub(crate) fn refused((status, detail): (StatusCode, String)) -> ProblemDetails {
error_problem(status, &detail)
}
/// Every agent some hive declares and has not destroyed.
async fn live(state: &AppState) -> Result<BTreeSet<String>, ProblemDetails> {
pub(crate) async fn live(state: &AppState) -> Result<BTreeSet<String>, ProblemDetails> {
let Some(wanted) = state.wanted.as_ref() else {
return Err(error_problem(
StatusCode::SERVICE_UNAVAILABLE,