hive-c0re: finish chrono-clock migration

hive-c0re/src/job_queue/mod.rs

@@ -44,7 +44,6 @@ use hive_host_sock::jobs::NodeView;
 use hive_jobq::resources::ResourceTable;
 use hive_jobq::scheduler::{Outcome, Scheduler};
 use hive_jobq::{Dep, Graph, NodeId};
-use hive_sh4re::wire_time::now_unix;
 use tokio::sync::Notify;
 
 pub use hive_jobq::TerminalState;
@@ -107,7 +106,7 @@ struct NodeRuntime {
 struct DagMeta {
     source: Source,
     reason: String,
-    created_at: i64,
+    created_at: DateTime<Utc>,
 }
 
 /// The mutable queue state behind the mutex: the crate scheduler plus the
@@ -230,7 +229,7 @@ impl JobQueue {
                 NodeKind::Dag {
                     source: spec.source,
                     reason: spec.reason,
-                    created_at: now_unix(),
+                    created_at: Utc::now(),
                 },
                 Vec::new(),
                 None,
@@ -469,9 +468,7 @@ impl JobQueue {
                     // `started_at` is set when a node enters `Running`, and this
                     // only sees `Running` nodes — the fallback is unreachable in
                     // practice, and "just now" is the honest answer if it isn't.
-                    since: n
-                        .started_at
-                        .unwrap_or_else(|| hive_sh4re::wire_time::from_secs(now_unix())),
+                    since: n.started_at.unwrap_or_else(Utc::now),
                 })
             })
             .collect()
@@ -628,7 +625,7 @@ impl QueueInner {
             id: container.get(),
             source: meta.source,
             reason: meta.reason.clone(),
-            created_at: hive_sh4re::wire_time::from_secs(meta.created_at),
+            created_at: meta.created_at,
             started_at: started.into_iter().min(),
             finished_at: is_terminal.then(|| finished.into_iter().max()).flatten(),
             nodes,

hive-c0re/src/job_queue/model.rs

@@ -12,6 +12,7 @@
 //! DAG can span agents). See `docs/coordinator.md::Job queue` for the
 //! full design.
 
+use chrono::{DateTime, Utc};
 pub use hive_host_sock::jobs::{DagView, NodeId, PermPayload, Source, State};
 use serde::Serialize;
 
@@ -283,7 +284,7 @@ pub enum NodeKind {
     Dag {
         source: Source,
         reason: String,
-        created_at: i64,
+        created_at: DateTime<Utc>,
     },
 }