Add app source and tests

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

lib/Peach/memory/DeploymentStore.dart

@@ -0,0 +1,49 @@
+import 'dart:convert';
+import 'package:shared_preferences/shared_preferences.dart';
+import '../about/internal/application/DeploymentRecord.dart';
+
+/// Persists the deployment history so successes/failures can be tracked.
+class DeploymentStore {
+  static const _key = 'peach.deployments.v1';
+
+  /// The key used before the app was renamed; migrated forward on first read.
+  static const _legacyKey = 'jarpilot.deployments.v1';
+
+  static const _max = 300;
+
+  Future<List<DeploymentRecord>> load() async {
+    final prefs = await SharedPreferences.getInstance();
+    var raw = prefs.getString(_key);
+    if (raw == null || raw.isEmpty) {
+      raw = prefs.getString(_legacyKey);
+      if (raw != null && raw.isNotEmpty) {
+        await prefs.setString(_key, raw);
+        await prefs.remove(_legacyKey);
+      }
+    }
+    if (raw == null || raw.isEmpty) return [];
+    final list = jsonDecode(raw) as List<dynamic>;
+    final records = list
+        .map((e) => DeploymentRecord.fromJson(e as Map<String, dynamic>))
+        .toList();
+    records.sort((a, b) => b.time.compareTo(a.time));
+    return records;
+  }
+
+  Future<List<DeploymentRecord>> add(DeploymentRecord record) async {
+    final records = await load();
+    records.insert(0, record);
+    if (records.length > _max) records.removeRange(_max, records.length);
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(
+      _key,
+      jsonEncode(records.map((r) => r.toJson()).toList()),
+    );
+    return records;
+  }
+
+  Future<void> clear() async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.remove(_key);
+  }
+}