controller: turn an archetype agent into a custom one

swarm-controller/src/routes/agents.rs

@@ -472,6 +472,21 @@ pub(crate) async fn get_agents_status(
                     row.needs_login = login.get(&row.name);
                 }
             }
+            // Absent on a failed read, like `wanted`: one unreadable bucket
+            // must not blank the roster.
+            if let Some(reader) = state.status.as_ref() {
+                match agent_archetype::of_agents(&reader.queue_client(), &rows).await {
+                    Ok(mut archetypes) => {
+                        for row in &mut rows {
+                            row.archetype = archetypes.remove(&row.name);
+                        }
+                    }
+                    Err(e) => tracing::warn!(
+                        error = %format!("{e:#}"),
+                        "reading the agent archetypes failed; rows show none"
+                    ),
+                }
+            }
             Ok(Json(rows))
         }
         Err(e) => {
@@ -1800,6 +1815,7 @@ mod tests {
             config_pr: None,
             wanted: None,
             needs_login: None,
+            archetype: None,
         }
     }