chore: Halkyon Todo's scaffold joins the repository in apps/todo

Its server, client and app as `serverpod create` made them, with the
switch to server-side sessions that was waiting uncommitted, as files:
its one commit holds the scaffold alone.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>

apps/todo/halkyon_todo_client/lib/src/protocol/protocol.dart

@@ -0,0 +1,155 @@
+/* AUTOMATICALLY GENERATED CODE DO NOT MODIFY */
+/*   To generate run: "serverpod generate"    */
+
+// ignore_for_file: implementation_imports
+// ignore_for_file: library_private_types_in_public_api
+// ignore_for_file: non_constant_identifier_names
+// ignore_for_file: public_member_api_docs
+// ignore_for_file: type_literal_in_constant_pattern
+// ignore_for_file: use_super_parameters
+// ignore_for_file: invalid_use_of_internal_member
+// ignore_for_file: dead_code, unnecessary_type_check
+
+// ignore_for_file: no_leading_underscores_for_library_prefixes
+import 'package:serverpod_auth_core_client/serverpod_auth_core_client.dart'
+    as _iacc;
+import 'package:serverpod_auth_idp_client/serverpod_auth_idp_client.dart'
+    as _iaic;
+import 'package:serverpod_client/serverpod_client.dart' as _isc;
+import 'greetings/greeting.dart' as _izw8z7ou;
+export 'greetings/greeting.dart';
+export 'client.dart';
+
+class Protocol extends _isc.SerializationManager {
+  Protocol._();
+
+  factory Protocol() => _instance;
+
+  static final Protocol _instance = Protocol._().._registerHostProtocols();
+
+  static String? getClassNameFromObjectJson(dynamic data) {
+    if (data is! Map) return null;
+    final className = data['__className__'] as String?;
+    return className;
+  }
+
+  @override
+  T deserialize<T>(
+    dynamic data, [
+    Type? t,
+  ]) {
+    t ??= T;
+
+    final dataClassName = getClassNameFromObjectJson(data);
+    if (dataClassName != null && dataClassName != getClassNameForType(t)) {
+      try {
+        return deserializeByClassName({
+          'className': dataClassName,
+          'data': data,
+        });
+      } on _isc.DeserializationClassNameNotFoundException catch (_) {
+        // If the className is not recognized (e.g., older client receiving
+        // data with a new subtype), fall back to deserializing without the
+        // className, using the expected type T.
+      }
+    }
+
+    if (t == _izw8z7ou.Greeting) {
+      return _izw8z7ou.Greeting.fromJson(data) as T;
+    }
+    if (t == _isc.getType<_izw8z7ou.Greeting?>()) {
+      return (data != null ? _izw8z7ou.Greeting.fromJson(data) : null) as T;
+    }
+    try {
+      return _iaic.Protocol().deserialize<T>(data, t);
+    } on _isc.DeserializationTypeNotFoundException catch (_) {}
+    try {
+      return _iacc.Protocol().deserialize<T>(data, t);
+    } on _isc.DeserializationTypeNotFoundException catch (_) {}
+    return super.deserialize<T>(data, t);
+  }
+
+  static String? getClassNameForType(Type type) {
+    return switch (type) {
+      _izw8z7ou.Greeting => 'Greeting',
+      _ => null,
+    };
+  }
+
+  @override
+  String? getClassNameForObject(Object? data) {
+    String? className = super.getClassNameForObject(data);
+    if (className != null) return className;
+
+    if (data is Map<String, dynamic> && data['__className__'] is String) {
+      return (data['__className__'] as String).replaceFirst(
+        'halkyon_todo.',
+        '',
+      );
+    }
+
+    switch (data) {
+      case _izw8z7ou.Greeting():
+        return 'Greeting';
+    }
+    className = _iaic.Protocol().getClassNameForObject(data);
+    if (className != null) {
+      return className.contains('.')
+          ? className
+          : 'serverpod_auth_idp.$className';
+    }
+    className = _iacc.Protocol().getClassNameForObject(data);
+    if (className != null) {
+      return className.contains('.')
+          ? className
+          : 'serverpod_auth_core.$className';
+    }
+    return null;
+  }
+
+  @override
+  dynamic deserializeByClassName(Map<String, dynamic> data) {
+    var dataClassName = data['className'];
+    if (dataClassName is! String) {
+      return super.deserializeByClassName(data);
+    }
+    if (dataClassName == 'Greeting') {
+      return deserialize<_izw8z7ou.Greeting>(data['data']);
+    }
+    if (dataClassName.startsWith('serverpod_auth_idp.')) {
+      data['className'] = dataClassName.substring(19);
+      return _iaic.Protocol().deserializeByClassName(data);
+    }
+    if (dataClassName.startsWith('serverpod_auth_core.')) {
+      data['className'] = dataClassName.substring(20);
+      return _iacc.Protocol().deserializeByClassName(data);
+    }
+    return super.deserializeByClassName(data);
+  }
+
+  void _registerHostProtocols() {
+    _iaic.Protocol().registerHostProtocol('halkyon_todo', this);
+    _iacc.Protocol().registerHostProtocol('halkyon_todo', this);
+  }
+
+  @override
+  String getModuleName() => 'halkyon_todo';
+
+  /// Maps any `Record`s known to this [Protocol] to their JSON representation
+  ///
+  /// Throws in case the record type is not known.
+  ///
+  /// This method will return `null` (only) for `null` inputs.
+  Map<String, dynamic>? mapRecordToJson(Record? record) {
+    if (record == null) {
+      return null;
+    }
+    try {
+      return _iaic.Protocol().mapRecordToJson(record);
+    } catch (_) {}
+    try {
+      return _iacc.Protocol().mapRecordToJson(record);
+    } catch (_) {}
+    throw Exception('Unsupported record type ${record.runtimeType}');
+  }
+}