implemented chat archive

app/lib/core/routing/routes.dart

@@ -1,5 +1,7 @@
 import 'package:bang_navigator/core/routing/dialog_page.dart';
 import 'package:bang_navigator/features/about/presentation/screens/about.dart';
+import 'package:bang_navigator/features/chat_archive/presentation/screens/detail.dart';
+import 'package:bang_navigator/features/chat_archive/presentation/screens/list.dart';
 import 'package:bang_navigator/features/search_browser/presentation/screens/browser.dart';
 import 'package:bang_navigator/features/settings/presentation/screens/settings.dart';
 import 'package:flutter/material.dart';
@@ -15,10 +17,6 @@ part 'routes.g.dart';
       name: 'AboutRoute',
       path: 'about',
     ),
-    TypedGoRoute<SettingsRoute>(
-      name: 'SettingsRoute',
-      path: 'settings',
-    ),
   ],
 )
 class KagiRoute extends GoRouteData {
@@ -30,6 +28,17 @@ class KagiRoute extends GoRouteData {
   }
 }
 
+class AboutRoute extends GoRouteData {
+  @override
+  Page<void> buildPage(BuildContext context, GoRouterState state) {
+    return DialogPage(builder: (_) => const AboutDialogScreen());
+  }
+}
+
+@TypedGoRoute<SettingsRoute>(
+  name: 'SettingsRoute',
+  path: '/settings',
+)
 class SettingsRoute extends GoRouteData {
   @override
   Widget build(BuildContext context, GoRouterState state) {
@@ -37,9 +46,30 @@ class SettingsRoute extends GoRouteData {
   }
 }
 
-class AboutRoute extends GoRouteData {
+@TypedGoRoute<ChatArchiveListRoute>(
+  name: 'ChatArchiveListRoute',
+  path: '/chat_archive',
+  routes: [
+    TypedGoRoute<ChatArchiveDetailRoute>(
+      name: 'ChatArchiveDetailRoute',
+      path: 'detail/:fileName',
+    ),
+  ],
+)
+class ChatArchiveListRoute extends GoRouteData {
   @override
-  Page<void> buildPage(BuildContext context, GoRouterState state) {
-    return DialogPage(builder: (_) => const AboutDialogScreen());
+  Widget build(BuildContext context, GoRouterState state) {
+    return const ChatArchiveListScreen();
+  }
+}
+
+class ChatArchiveDetailRoute extends GoRouteData {
+  final String fileName;
+
+  const ChatArchiveDetailRoute({required this.fileName});
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return ChatArchiveDetailScreen(fileName);
   }
 }