Updated checkout to wait for backend confirmation before advancing, added a “Processing payment…” state with retry/ refresh fallback, and now use Paddle totals/currency for purchase records + confirmation emails (with new email translations).

app/Http/Requests/Checkout/CheckoutRegisterRequest.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Http\Requests\Checkout;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rules\Password;
+
+class CheckoutRegisterRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'email' => ['required', 'email', 'max:255', 'unique:users,email'],
+            'username' => ['required', 'string', 'max:255', 'unique:users,username'],
+            'password' => ['required', 'confirmed', Password::defaults()],
+            'first_name' => ['required', 'string', 'max:255'],
+            'last_name' => ['required', 'string', 'max:255'],
+            'address' => ['required', 'string', 'max:500'],
+            'phone' => ['required', 'string', 'max:255'],
+            'package_id' => ['required', 'exists:packages,id'],
+            'terms' => ['required', 'accepted'],
+            'privacy_consent' => ['required', 'accepted'],
+            'locale' => ['nullable', 'string', 'max:10'],
+        ];
+    }
+
+    /**
+     * Get custom validation messages.
+     */
+    public function messages(): array
+    {
+        return [
+            'email.unique' => 'Diese E-Mail-Adresse wird bereits verwendet.',
+            'username.unique' => 'Dieser Benutzername ist bereits vergeben.',
+            'password.confirmed' => 'Die Passwortbestätigung stimmt nicht überein.',
+            'package_id.exists' => 'Das ausgewählte Paket ist ungültig.',
+            'terms.accepted' => 'Bitte akzeptiere die Nutzungsbedingungen.',
+            'privacy_consent.accepted' => 'Bitte akzeptiere die Datenschutzerklärung.',
+        ];
+    }
+}