systemd: parse static machines list, render placeholders (step 3)

plugin/src/systemd_service.rs

@@ -6,6 +6,7 @@
 // to require QuickControls2.prl files that nixpkgs strips. Switch to
 // QList<QVariantMap> when a release ships with both fixes.
 
+use crate::modules_service;
 use core::pin::Pin;
 use cxx_qt_lib::QString;
 use serde::Serialize;
@@ -270,6 +271,28 @@ impl qobject::SystemdService {
             });
         }
 
+        // Configured remote machines (placeholders; transport lands in step 4).
+        // Dedup local: drop entries matching the local hostname or `localhost`,
+        // with or without a `user@` prefix.
+        let host = read_hostname();
+        let cfg_machines = modules_service::load_systemd_machines();
+        for target in cfg_machines {
+            let host_part = target.rsplit_once('@').map_or(target.as_str(), |(_, h)| h);
+            if host_part == host || host_part == "localhost" {
+                continue;
+            }
+            all_machines.push(MachineJson {
+                name: target.clone(),
+                is_local: false,
+                marker: String::new(),
+                system_state: "pending".into(),
+                running_count: 0,
+                total_count: 0,
+                failed_units: Vec::new(),
+                running_units: Vec::new(),
+            });
+        }
+
         let machines_json = serde_json::to_string(&all_machines).unwrap_or_else(|_| "[]".into());
 
         self.as_mut().set_failed_count(local_failed_count);