rebuild_queue: pre-enqueue meta-update cascade at submit time (closes #347)

hive-c0re/src/dashboard.rs

@@ -1578,14 +1578,30 @@ async fn post_meta_update(
     if inputs.is_empty() {
         return error_response("meta-update: no inputs selected");
     }
-    state.coord.rebuild_queue.enqueue_with_inputs(
+    let inputs_label = inputs.join(", ");
+    let parent_id = state.coord.rebuild_queue.enqueue_with_inputs(
         crate::rebuild_queue::QueueKind::MetaUpdate,
         "hyperhive".to_owned(),
         crate::rebuild_queue::QueueSource::Manual,
-        format!("meta-update via dashboard ({})", inputs.join(", ")),
+        format!("meta-update via dashboard ({inputs_label})"),
         None,
-        inputs,
+        inputs.clone(),
     );
+    // Pre-enqueue cascade rebuilds NOW so they're visible in the queue
+    // alongside the parent (issue #347). The worker's MetaUpdate arm
+    // no longer enqueues children — it just runs the lock bump and
+    // (on failure) cancels these pre-queued children.
+    let cascade_agents = crate::rebuild_queue::meta_update_cascade_agents(&inputs).await;
+    let cascade_reason = format!("meta-update cascade ({inputs_label})");
+    for name in cascade_agents {
+        state.coord.rebuild_queue.enqueue(
+            crate::rebuild_queue::QueueKind::Rebuild,
+            name,
+            crate::rebuild_queue::QueueSource::MetaUpdate,
+            cascade_reason.clone(),
+            Some(parent_id),
+        );
+    }
     state.coord.emit_rebuild_queue_snapshot();
     (StatusCode::OK, "ok").into_response()
 }