Add app source and tests

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

lib/Peach/see/deploy/batch/BatchDeploy.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/cupertino.dart';
+
+import '../../../about/internal/application/ServerProfile.dart';
+import 'BatchDeployState.dart';
+
+/// Batch "build all & deploy": pick which services to include, choose a mode,
+/// and run them one after another with live per-service status.
+class BatchDeploy extends StatefulWidget {
+  final ServerProfile server;
+
+  const BatchDeploy({super.key, required this.server});
+
+  @override
+  State<BatchDeploy> createState() => BatchDeployState();
+}