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

lib/api/mhsl/server/feedback/add_feedback.dart

@@ -3,8 +3,8 @@ import 'dart:convert';
 import 'package:http/http.dart';
 import 'package:http/http.dart' as http;
 
-import '../../mhslApi.dart';
-import 'addFeedbackParams.dart';
+import '../../mhsl_api.dart';
+import 'add_feedback_params.dart';
 
 
 class AddFeedback extends MhslApi<void> {

lib/api/mhsl/server/feedback/add_feedback_params.dart

@@ -1,6 +1,6 @@
 import 'package:json_annotation/json_annotation.dart';
 
-part 'addFeedbackParams.g.dart';
+part 'add_feedback_params.g.dart';
 
 @JsonSerializable()
 class AddFeedbackParams {

lib/api/mhsl/server/feedback/add_feedback_params.g.dart

@@ -1,6 +1,6 @@
 // GENERATED CODE - DO NOT MODIFY BY HAND
 
-part of 'addFeedbackParams.dart';
+part of 'add_feedback_params.dart';
 
 // **************************************************************************
 // JsonSerializableGenerator