Add app source and tests

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

lib/Peach/about/internal/application/DeploymentRecord.dart

@@ -0,0 +1,65 @@
+enum DeployStatus { success, failure, reverted }
+
+extension DeployStatusX on DeployStatus {
+  String get label => switch (this) {
+    DeployStatus.success => 'Success',
+    DeployStatus.failure => 'Failure',
+    DeployStatus.reverted => 'Reverted',
+  };
+}
+
+/// One historical deployment attempt, tracked for auditing.
+class DeploymentRecord {
+  final String id;
+  final String serverId;
+  final String serverName;
+  final String serviceId;
+  final String serviceLabel;
+  final String jarName;
+  final String remotePath;
+  final DateTime time;
+  final DeployStatus status;
+  final String message;
+
+  DeploymentRecord({
+    required this.id,
+    required this.serverId,
+    required this.serverName,
+    required this.serviceId,
+    required this.serviceLabel,
+    required this.jarName,
+    required this.remotePath,
+    required this.time,
+    required this.status,
+    required this.message,
+  });
+
+  Map<String, dynamic> toJson() => {
+    'id': id,
+    'serverId': serverId,
+    'serverName': serverName,
+    'serviceId': serviceId,
+    'serviceLabel': serviceLabel,
+    'jarName': jarName,
+    'remotePath': remotePath,
+    'time': time.toIso8601String(),
+    'status': status.name,
+    'message': message,
+  };
+
+  factory DeploymentRecord.fromJson(Map<String, dynamic> j) => DeploymentRecord(
+    id: j['id'] as String,
+    serverId: (j['serverId'] ?? '') as String,
+    serverName: (j['serverName'] ?? '') as String,
+    serviceId: (j['serviceId'] ?? '') as String,
+    serviceLabel: (j['serviceLabel'] ?? '') as String,
+    jarName: (j['jarName'] ?? '') as String,
+    remotePath: (j['remotePath'] ?? '') as String,
+    time: DateTime.tryParse((j['time'] ?? '') as String) ?? DateTime(2000),
+    status: DeployStatus.values.firstWhere(
+      (s) => s.name == j['status'],
+      orElse: () => DeployStatus.failure,
+    ),
+    message: (j['message'] ?? '') as String,
+  );
+}