initial upload

lib/services/storage_service.dart

@@ -0,0 +1,54 @@
+import 'dart:convert';
+import 'package:shared_preferences/shared_preferences.dart';
+import '../models/project.dart';
+
+class StorageService {
+  static const String _projectsKey = 'projects';
+  static const String _currentPortKey = 'current_port';
+
+  Future<void> saveProjects(List<Project> projects) async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final jsonList = projects.map((p) => p.toJson()).toList();
+      final jsonString = json.encode(jsonList);
+      final success = await prefs.setString(_projectsKey, jsonString);
+      if (!success) {
+        throw Exception('Failed to save projects to storage');
+      }
+      // Force a commit on web
+      await prefs.reload();
+    } catch (e) {
+      rethrow;
+    }
+  }
+
+  Future<List<Project>> loadProjects() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      // Reload to ensure we get the latest data
+      await prefs.reload();
+      final jsonString = prefs.getString(_projectsKey);
+      
+      if (jsonString == null || jsonString.isEmpty) {
+        return [];
+      }
+
+      final List<dynamic> jsonList = json.decode(jsonString);
+      return jsonList.map((json) => Project.fromJson(json)).toList();
+    } catch (e) {
+      return [];
+    }
+  }
+
+  Future<void> saveCurrentPort(int port) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt(_currentPortKey, port);
+  }
+
+  Future<int> loadCurrentPort() async {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.getInt(_currentPortKey) ?? 8888;
+  }
+}
+
+