Implement adaptive client list

tests/tui_workflow.rs

@@ -21,6 +21,7 @@ use wireguard_admin::tui::events::{
     ShutdownProgress, StatisticsReader, UiCommand, WorkerConfig, WorkerEvent,
 };
 use wireguard_admin::tui::forms::{FormAction, FormController};
+use wireguard_admin::tui::state::SessionView;
 use wireguard_admin::vault::WireGuardPrivateKey;
 
 const SETTINGS: &str = r#"
@@ -75,6 +76,32 @@ fn fixture() -> Fixture {
     }
 }
 
+#[test]
+fn saved_peer_projection_counts_legacy_peers_without_inventing_managed_state() {
+    let fixture = fixture();
+    let legacy_key = WireGuardPrivateKey::generate()
+        .expect("synthetic legacy peer key")
+        .public_key();
+    let mut server_config =
+        fs::read_to_string(&fixture.settings.server_config_path).expect("synthetic server config");
+    server_config.push_str(&format!(
+        "\n[Peer]\nPublicKey = {legacy_key}\nAllowedIPs = 10.20.0.2/32\n"
+    ));
+    fs::write(&fixture.settings.server_config_path, server_config)
+        .expect("write synthetic legacy peer");
+
+    let app = wireguard_admin::app::Application::open_from_saved_store(fixture.store.clone())
+        .expect("application opens with an inspect-only legacy peer");
+    let view = SessionView::from_application(&app, 0);
+
+    assert_eq!(view.saved_peer_count, Some(1));
+    assert_eq!(view.clients.len(), 1);
+    assert_eq!(view.clients[0].identity, Some(legacy_key));
+    assert_eq!(view.clients[0].mutable_identity, None);
+    assert!(view.client_states.is_empty());
+    assert!(!view.has_draft);
+}
+
 #[derive(Clone, Default)]
 struct CountingStatistics(Arc<AtomicUsize>);