Add retry for network ops

lib/data/repository/profiles_repository_impl.dart

@@ -1,4 +1,3 @@
-import 'dart:convert';
 import 'dart:io';
 
 import 'package:dio/dio.dart';
@@ -11,6 +10,7 @@ import 'package:hiddify/domain/singbox/singbox.dart';
 import 'package:hiddify/services/files_editor_service.dart';
 import 'package:hiddify/utils/utils.dart';
 import 'package:meta/meta.dart';
+import 'package:retry/retry.dart';
 import 'package:uuid/uuid.dart';
 
 class ProfilesRepositoryImpl
@@ -258,7 +258,10 @@ class ProfilesRepositoryImpl
         final tempPath = filesEditor.tempConfigPath(fileName);
         final path = filesEditor.configPath(fileName);
         try {
-          final response = await dio.download(url.trim(), tempPath);
+          final response = await retry(
+            () async => dio.download(url.trim(), tempPath),
+            maxAttempts: 3,
+          );
           final headers =
               await _populateHeaders(response.headers.map, tempPath);
           final parseResult =
@@ -317,12 +320,4 @@ class ProfilesRepositoryImpl
     }
     return headers;
   }
-
-  String safeDecodeBase64(String str) {
-    try {
-      return utf8.decode(base64.decode(str));
-    } catch (e) {
-      return str;
-    }
-  }
 }

pubspec.lock

@@ -1022,7 +1022,7 @@ packages:
     source: hosted
     version: "4.1.0"
   retry:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: retry
       sha256: "822e118d5b3aafed083109c72d5f484c6dc66707885e07c0fbcb8b986bba7efc"

pubspec.yaml

@@ -72,6 +72,7 @@ dependencies:
   tint: ^2.0.1
   accessibility_tools: ^1.0.0
   neat_periodic_task: ^2.0.1
+  retry: ^3.1.2
 
   # widgets
   go_router: ^11.1.2