refactor(#2591): model a DAG as a container node — grouping side-tables become graph walks

hive-c0re/src/job_queue/model.rs

@@ -141,21 +141,6 @@ pub enum NodeKind {
     /// `Prebuild`, but that's a no-op there — the agent is down, so prebuild
     /// is skipped.)
     SetWanted { up: bool },
-    /// Per-DAG terminal hook (approval-driven DAGs — spawn / opaque deploy):
-    /// resolve the DAG's approval row from the rolled-up outcome. Appended once
-    /// with a weak (`AfterAny`) edge on the DAG's tails, so it runs exactly when
-    /// the DAG has settled (any outcome, including a cancel before starting).
-    /// Build-slot- and lease-exempt; always runs (weak edge ⇒ never cascaded).
-    ResolveApproval,
-    /// Per-DAG terminal hook (rebuild / perm-change DAGs): emit one `Rebuilt`
-    /// manager event per targeted agent — `ok` on `Done`, `!ok` on `Failed`,
-    /// none on cancel. Appended weak-dep on the tails; slot/lease-exempt.
-    EmitRebuilt,
-    /// Per-DAG terminal hook (power-op DAGs): on a *cancelled* DAG, revert each
-    /// agent's `wanted` intent to its observed state — the operator's cancel
-    /// means "don't do it". Noop on any non-cancelled outcome. Appended weak-dep
-    /// on the tails; slot/lease-exempt.
-    RevertIntent,
     /// The **DAG container** node: one per submitted DAG, carrying the group's
     /// domain metadata. Every template node hangs *under* it (its subtree), so
     /// the container's `NodeId` **is** the DAG id, its rolled-up state **is** the
@@ -196,9 +181,6 @@ impl NodeKind {
             NodeKind::WritePermFile => "write_perm_file",
             NodeKind::ApprovalDeploy => "approval_deploy",
             NodeKind::SetWanted { .. } => "set_wanted",
-            NodeKind::ResolveApproval => "resolve_approval",
-            NodeKind::EmitRebuilt => "emit_rebuilt",
-            NodeKind::RevertIntent => "revert_intent",
             NodeKind::Dag { .. } => "dag",
         }
     }