verification before payment and email fixes

frontend/pweb/lib/pages/2fa/page.dart

@@ -23,6 +23,7 @@ class TwoFactorCodePage extends StatelessWidget {
   Widget build(BuildContext context) {
     return Consumer<TwoFactorProvider>(
       builder: (context, provider, child) {
+        final email = provider.pendingLogin?.target ?? '';
         if (provider.verificationSuccess) {
           WidgetsBinding.instance.addPostFrameCallback((_) {
             onVerificationSuccess();
@@ -36,7 +37,7 @@ class TwoFactorCodePage extends StatelessWidget {
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.center,
               children: [
-                const TwoFactorPromptText(),
+                TwoFactorPromptText(email: email),
                 const SizedBox(height: 32),
                 TwoFactorCodeInput(
                   onCompleted: (code) => provider.submitCode(code),
@@ -45,7 +46,12 @@ class TwoFactorCodePage extends StatelessWidget {
                 if (provider.isSubmitting)
                   const Center(child: CircularProgressIndicator())
                 else
-                  const ResendCodeButton(),
+                  ResendCodeButton(
+                    onPressed: provider.resendCode,
+                    isCooldownActive: provider.isCooldownActive,
+                    isResending: provider.isResending,
+                    cooldownRemainingSeconds: provider.cooldownRemainingSeconds,
+                  ),
                 if (provider.hasError) ...[
                   const SizedBox(height: 12),
                   ErrorMessage(error: AppLocalizations.of(context)!.twoFactorError),

frontend/pweb/lib/pages/2fa/prompt.dart

@@ -1,20 +1,19 @@
 import 'package:flutter/material.dart';
 
-import 'package:provider/provider.dart';
-
-import 'package:pweb/providers/two_factor.dart';
-
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
 
 class TwoFactorPromptText extends StatelessWidget {
-  const TwoFactorPromptText({super.key});
+  final String email;
+
+  const TwoFactorPromptText({
+    super.key,
+    required this.email,
+  });
 
   @override
   Widget build(BuildContext context) => Text(
-    AppLocalizations.of(context)!.twoFactorPrompt(
-      context.watch<TwoFactorProvider>().pendingLogin?.target ?? '',
-    ),
+    AppLocalizations.of(context)!.twoFactorPrompt(email),
     style: Theme.of(context).textTheme.bodyLarge,
     textAlign: TextAlign.center,
   );

frontend/pweb/lib/pages/2fa/resend.dart

@@ -1,8 +1,5 @@
 import 'package:flutter/material.dart';
 
-import 'package:provider/provider.dart';
-
-import 'package:pweb/providers/two_factor.dart';
 import 'package:pweb/utils/cooldown_format.dart';
 import 'package:pweb/widgets/resend_link.dart';
 
@@ -10,23 +7,33 @@ import 'package:pweb/generated/i18n/app_localizations.dart';
 
 
 class ResendCodeButton extends StatelessWidget {
-  const ResendCodeButton({super.key});
+  final VoidCallback onPressed;
+  final bool isCooldownActive;
+  final bool isResending;
+  final int cooldownRemainingSeconds;
+
+  const ResendCodeButton({
+    super.key,
+    required this.onPressed,
+    required this.isCooldownActive,
+    required this.isResending,
+    required this.cooldownRemainingSeconds,
+  });
 
   @override
   Widget build(BuildContext context) {
     final localizations = AppLocalizations.of(context)!;
-    final provider = context.watch<TwoFactorProvider>();
-    final isDisabled = provider.isCooldownActive || provider.isResending;
+    final isDisabled = isCooldownActive || isResending;
 
-    final label = provider.isCooldownActive
-        ? '${localizations.twoFactorResend} (${formatCooldownSeconds(provider.cooldownRemainingSeconds)})'
+    final label = isCooldownActive
+        ? '${localizations.twoFactorResend} (${formatCooldownSeconds(cooldownRemainingSeconds)})'
         : localizations.twoFactorResend;
 
     return ResendLink(
       label: label,
-      onPressed: provider.resendCode,
+      onPressed: onPressed,
       isDisabled: isDisabled,
-      isLoading: provider.isResending,
+      isLoading: isResending,
     );
   }