Backend-WIP: Kontakt-Queue, Page-Cache, Validierungs-Feedback, i18n

Gebuendelt, da ueber gemeinsame lang-/Service-Dateien verschraenkt:
- Kontakt-Nachrichten: contact_messages-Tabelle + Model/Enums/Factory,
  Admin-Queue (livewire/admin/contact-messages), ContactController
  persistiert das Anliegen zusaetzlich zur Brand-Mail
- Page-Data-Cache (Services/Web/*PageData) + web-archive-Indizes auf
  press_releases
- Validierungs-Feedback + Company-Portal-Restriction (Feature-Tests)
- i18n-Auslagerung lang/de|en (auth, passwords, validation, static)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

tests/Feature/PressReleaseValidationFeedbackTest.php

@@ -0,0 +1,103 @@
+<?php
+
+use App\Models\Category;
+use App\Models\Company;
+use App\Models\PressRelease;
+use App\Models\User;
+use Database\Seeders\RolesAndPermissionsSeeder;
+use Livewire\Volt\Volt as LivewireVolt;
+use Tests\TestCase;
+
+/**
+ * Sichtbares Validierungs-Feedback der PM-Editoren (Customer):
+ * persistente Fehler-Zusammenfassung bei den Speichern-Buttons statt nur
+ * flüchtigem Toast, deutsche Feldnamen statt "category id", rot markierte
+ * Panels für Fehlerfelder.
+ */
+beforeEach(function (): void {
+    /** @var TestCase $this */
+    $this->seed(RolesAndPermissionsSeeder::class);
+});
+
+function makeValidationFeedbackCustomer(): User
+{
+    $customer = User::factory()->create(['is_active' => true]);
+    $customer->assignRole('customer');
+
+    $company = Company::factory()->presseecho()->create();
+    $customer->companies()->attach($company->id, ['role' => 'owner']);
+
+    return $customer;
+}
+
+test('create page shows a persistent error summary with German field names when saving without a category', function () {
+    /** @var TestCase $this */
+    $this->actingAs(makeValidationFeedbackCustomer());
+
+    LivewireVolt::test('customer.press-releases.create')
+        ->set('title', 'Ein gültiger Titel für die PM')
+        ->set('text', str_repeat('Aussagekräftiger Fließtext. ', 5))
+        ->set('categoryId', null)
+        ->call('save', 'draft')
+        ->assertHasErrors(['categoryId'])
+        ->assertSee('Speichern nicht möglich')
+        ->assertSee('Kategorie muss ausgefüllt werden.')
+        ->assertDontSee('category id');
+});
+
+test('create page error summary lists every failing field and disappears once resolved', function () {
+    /** @var TestCase $this */
+    $this->actingAs(makeValidationFeedbackCustomer());
+    $category = Category::factory()->create();
+
+    $component = LivewireVolt::test('customer.press-releases.create')
+        ->call('save', 'draft')
+        ->assertHasErrors(['categoryId', 'title', 'text'])
+        ->assertSee('Speichern nicht möglich')
+        ->assertSee('Kategorie muss ausgefüllt werden.')
+        ->assertSee('Titel muss ausgefüllt werden.')
+        ->assertSee('Text muss ausgefüllt werden.');
+
+    $component
+        ->set('categoryId', $category->id)
+        ->set('title', 'Ein gültiger Titel für die PM')
+        ->set('text', str_repeat('Aussagekräftiger Fließtext. ', 5))
+        ->call('save', 'draft')
+        ->assertHasNoErrors()
+        ->assertRedirect();
+});
+
+test('create page marks the category panel as invalid and keeps the jump anchor', function () {
+    /** @var TestCase $this */
+    $this->actingAs(makeValidationFeedbackCustomer());
+
+    LivewireVolt::test('customer.press-releases.create')
+        ->assertSeeHtml('data-error-anchor="categoryId"')
+        ->assertDontSeeHtml('is-invalid')
+        ->call('save', 'draft')
+        ->assertSeeHtml('is-invalid');
+});
+
+test('edit page shows the error summary when saving without a category', function () {
+    /** @var TestCase $this */
+    $customer = makeValidationFeedbackCustomer();
+    $company = $customer->companies()->first();
+    $category = Category::factory()->create();
+
+    $pr = PressRelease::factory()->create([
+        'user_id' => $customer->id,
+        'company_id' => $company->id,
+        'category_id' => $category->id,
+        'portal' => $company->portal->value,
+        'status' => 'draft',
+    ]);
+
+    $this->actingAs($customer);
+
+    LivewireVolt::test('customer.press-releases.edit', ['id' => $pr->id])
+        ->set('categoryId', null)
+        ->call('save')
+        ->assertHasErrors(['categoryId'])
+        ->assertSee('Speichern nicht möglich')
+        ->assertSee('Kategorie muss ausgefüllt werden.');
+});