claude refactorings, flutter best practices, platform dependent changes, general cleanup

lib/api/mhsl/notify/register/notify_register.dart

@@ -0,0 +1,26 @@
+
+import 'dart:convert';
+import 'dart:developer';
+
+import 'package:http/http.dart' as http;
+
+import '../../mhsl_api.dart';
+import 'notify_register_params.dart';
+
+class NotifyRegister extends MhslApi<void> {
+  NotifyRegisterParams params;
+  NotifyRegister(this.params) : super('notify/register/');
+
+
+  @override
+  void assemble(String raw) {
+
+  }
+
+  @override
+  Future<http.Response> request(Uri uri) {
+    var requestString = jsonEncode(params.toJson());
+    log('register at push proxy with username ${params.username}');
+    return http.post(uri, body: requestString);
+  }
+}