Frontend first draft

frontend/pweb/lib/app/router/router.dart

@@ -0,0 +1,57 @@
+import 'package:go_router/go_router.dart';
+
+import 'package:pweb/app/router/pages.dart';
+import 'package:pweb/pages/2fa/page.dart';
+import 'package:pweb/pages/signup/page.dart';
+import 'package:pweb/widgets/sidebar/page.dart';
+import 'package:pweb/pages/login/page.dart';
+import 'package:pweb/pages/errors/not_found.dart';
+
+GoRouter createRouter() => GoRouter(
+  debugLogDiagnostics: true,
+  routes: <RouteBase>[
+    GoRoute(
+      name: Pages.root.name,
+      path: routerPage(Pages.root),
+      builder: (_, __) => const LoginPage(),
+      routes: [
+        GoRoute(
+          name: Pages.login.name,
+          path: routerPage(Pages.login),
+          builder: (_, __) => const LoginPage(),
+        ),
+        GoRoute(
+          name: Pages.dashboard.name,
+          path: routerPage(Pages.dashboard),
+          builder: (_, __) => const PageSelector(),
+        ),
+        GoRoute(
+          name: Pages.sfactor.name,
+          path: routerPage(Pages.sfactor),
+          builder: (context, state) {
+            // Определяем откуда пришел пользователь
+            final isFromSignup = state.uri.queryParameters['from'] == 'signup';
+            
+            return TwoFactorCodePage(
+              onVerificationSuccess: () {
+                if (isFromSignup) {
+                  // После регистрации -> на страницу логина
+                  context.goNamed(Pages.login.name);
+                } else {
+                  // После логина -> на дашборд
+                  context.goNamed(Pages.dashboard.name);
+                }
+              },
+            );
+          },
+        ),
+        GoRoute(
+          name: Pages.signup.name,
+          path: routerPage(Pages.signup),
+          builder: (_, __) => const SignUpPage(),
+        ),
+      ],
+    ),
+  ],
+  errorBuilder: (_, __) => const NotFoundPage(),
+);