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phase 6: container events + drop the 5s /api/state poll

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new DashboardEvent::ContainerStateChanged + ContainerRemoved
close the last refetch loop on the dashboard. Coordinator's
rescan_containers_and_emit diffs a fresh container_view::build_all
against a cached last_containers map and fires per-row events.
called from actions::approve (post-spawn), actions::destroy,
the lifecycle_action wrapper, auto_update::rebuild_agent, and
the existing 10s crash_watch poll.

ContainerView extracted to its own module so coordinator and
dashboard can both build it. dashboard endpoints flip to 200;
container-lifecycle forms carry data-no-refresh. client drops
the periodic poll entirely — initial cold load + SSE for
everything afterwards. pending overlay reads from the existing
transientsState since the new event payload doesn't carry it.

PURG3 + meta-update keep the post-submit refetch since
tombstones + meta_inputs aren't event-derived yet; tracked in
TODO.md.
This commit is contained in:
müde 2026-05-17 22:01:15 +02:00
parent f153639cb4
commit e7ce35c503
11 changed files with 396 additions and 195 deletions
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19
hive-c0re/src/crash_watch.rs
View file

@ -16,10 +16,10 @@
//! but polling is simpler and a 10s detection delay is fine.
use std::collections::HashSet;
use std::path::Path;
use std::sync::Arc;
use std::time::Duration;
use crate::container_view::claude_has_session;
use crate::coordinator::{Coordinator, TransientKind};
use crate::lifecycle::{self, AGENT_PREFIX, MANAGER_NAME};
@ -69,6 +69,12 @@ pub fn spawn(coord: Arc<Coordinator>) {
emit_login_transitions(&coord, &prev_logged_in, &current_logged_in, &sub_agents);
emit_update_transitions(&coord, &prev_updated, &current_updated, &sub_agents);
}
// Periodic container rescan — catches state flips that
// happen outside our mutation surface (operator runs
// `nixos-container stop` over ssh, agent logs in via its
// own web UI, etc.) so the dashboard converges within one
// POLL_INTERVAL. Idempotent + cheap when nothing changed.
coord.rescan_containers_and_emit().await;
prev_running = current_running;
prev_logged_in = current_logged_in;
prev_updated = current_updated;
@ -163,14 +169,3 @@ fn emit_update_transitions(
});
}
}
/// Mirrors `dashboard::claude_has_session`. Lives here too so the
/// watcher doesn't depend on dashboard internals.
fn claude_has_session(dir: &Path) -> bool {
let Ok(entries) = std::fs::read_dir(dir) else {
return false;
};
entries
.flatten()
.any(|e| e.file_type().is_ok_and(|t| t.is_file()))
}