Add app source and tests

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

lib/Peach/see/server/detail/ViewServerDetail.dart

@@ -0,0 +1,87 @@
+import '../../../about/internal/application/ServerProfile.dart';
+import '../../../about/internal/application/ServiceConfig.dart';
+import '../../parent/ParentViewModel.dart';
+import 'ConnectServerDetail.dart';
+
+class ViewServerDetail extends ParentViewModel {
+  ConnectServerDetail connection;
+
+  ViewServerDetail(super.context, this.connection);
+
+  /// Re-reads this server from storage along with the deployment history, so
+  /// the screen always reflects what was actually persisted.
+  void loadServer(String serverId) async {
+    try {
+      final servers = await getDataManager().getServers();
+      final history = await getDataManager().getDeployments();
+      final stored = servers.where((s) => s.id == serverId).firstOrNull;
+      if (stored == null) {
+        connection.onServerDeleted();
+        return;
+      }
+      connection.onServerLoaded(stored, history);
+    } catch (error) {
+      handleError(error, () => loadServer(serverId), () {}, "Retry");
+    }
+  }
+
+  /// Persists [server] — used after editing the connection, or after adding,
+  /// editing or removing one of its services.
+  void saveServer(ServerProfile server) async {
+    try {
+      final servers = await getDataManager().getServers();
+      final index = servers.indexWhere((s) => s.id == server.id);
+      if (index >= 0) {
+        servers[index] = server;
+      } else {
+        servers.add(server);
+      }
+      await getDataManager().setServers(servers);
+      loadServer(server.id);
+    } catch (error) {
+      handleError(error, () => saveServer(server), () {}, "Retry");
+    }
+  }
+
+  /// Adds [service] to [server] and persists.
+  void addService(ServerProfile server, ServiceConfig service) {
+    server.services.add(service);
+    saveServer(server);
+  }
+
+  /// Replaces the stored copy of [service] on [server].
+  void updateService(ServerProfile server, ServiceConfig service) {
+    final index = server.services.indexWhere((s) => s.id == service.id);
+    if (index >= 0) {
+      server.services[index] = service;
+    } else {
+      server.services.add(service);
+    }
+    saveServer(server);
+  }
+
+  void removeService(ServerProfile server, ServiceConfig service) {
+    server.services.removeWhere((s) => s.id == service.id);
+    saveServer(server);
+  }
+
+  /// Saves the order services are deployed in during a batch run.
+  void saveDeployOrder(ServerProfile server, List<String> ids) {
+    server.deployOrder = ids;
+    saveServer(server);
+  }
+
+  void deleteServer(ServerProfile server) async {
+    showLoading("Removing ${server.name} …");
+    try {
+      final servers = await getDataManager().getServers();
+      servers.removeWhere((s) => s.id == server.id);
+      await getDataManager().setServers(servers);
+      await getDataManager().deleteServerSecret(server.id);
+      closeLoading();
+      connection.onServerDeleted();
+    } catch (error) {
+      handleError(error, () => deleteServer(server), () {}, "Retry");
+    }
+  }
+}