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dashboard: tombstones + meta_inputs events — last /api/state refetches drop

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new DashboardEvent::TombstonesChanged + MetaInputsChanged carry
full snapshots (lists are tiny; snapshot beats diff for race
avoidance). Coordinator-side helpers
emit_tombstones_snapshot + emit_meta_inputs_snapshot fire from
every mutation site: actions::destroy + post_purge_tombstone +
actions::approve (spawn finalise consumes tombstone) +
run_meta_update + auto_update::rebuild_agent (lock bumps).

client adds derived stores + apply* handlers + drops the
post-submit refetch on PURG3 (container row + tombstone row)
and meta-update.

after this commit /api/state is fetched exactly once per page
session (cold load); every other change rides the SSE channel.
This commit is contained in:
müde 2026-05-17 23:52:12 +02:00
parent 76e4034e01
commit aed43ce4df
5 changed files with 123 additions and 24 deletions
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11
hive-c0re/src/actions.rs
View file

@ -87,8 +87,12 @@ pub async fn approve(coord: Arc<Coordinator>, id: i64) -> Result<()> {
}
// New container row appeared (or didn't, on failure
// before nixos-container create completed) — rescan so
// dashboards reflect the post-spawn state.
// dashboards reflect the post-spawn state. Spawn can
// also consume a tombstone of the same name; emit the
// fresh list so the operator's dormant-state pane
// updates without a refetch.
coord_bg.rescan_containers_and_emit().await;
crate::dashboard::emit_tombstones_snapshot(&coord_bg).await;
});
Ok(())
}
@ -360,8 +364,11 @@ pub async fn destroy(coord: &Arc<Coordinator>, name: &str, purge: bool) -> Resul
agent: name.to_owned(),
});
// Container row disappeared — rescan so the dashboard fires
// `ContainerRemoved` for the gone row.
// `ContainerRemoved` for the gone row, then emit the
// tombstones snapshot (gained one on destroy, lost one on
// purge — recompute either way).
coord.rescan_containers_and_emit().await;
crate::dashboard::emit_tombstones_snapshot(coord).await;
Ok(())
}