Update default branding palette for tenants and guests

tests/Feature/Tenant/SettingsApiTest.php

@@ -38,7 +38,7 @@ class SettingsApiTest extends TenantTestCase
 
         $response->assertStatus(200)
             ->assertJson(['message' => 'Settings erfolgreich abgerufen.'])
-            ->assertJsonPath('data.settings.branding.primary_color', '#3B82F6')
+            ->assertJsonPath('data.settings.branding.primary_color', '#FF5A5F')
             ->assertJsonPath('data.settings.features.photo_likes_enabled', true);
     }
 
@@ -101,7 +101,7 @@ class SettingsApiTest extends TenantTestCase
 
         $response->assertStatus(200)
             ->assertJson(['message' => 'Settings auf Standardwerte zurueckgesetzt.'])
-            ->assertJsonPath('data.settings.branding.primary_color', '#3B82F6')
+            ->assertJsonPath('data.settings.branding.primary_color', '#FF5A5F')
             ->assertJsonPath('data.settings.features.photo_likes_enabled', true);
 
         $this->assertDatabaseHas('tenants', [
@@ -109,8 +109,8 @@ class SettingsApiTest extends TenantTestCase
             'settings' => json_encode([
                 'branding' => [
                     'logo_url' => null,
-                    'primary_color' => '#3B82F6',
-                    'secondary_color' => '#1F2937',
+                    'primary_color' => '#FF5A5F',
+                    'secondary_color' => '#FFF8F5',
                     'font_family' => 'Inter, sans-serif',
                 ],
                 'features' => [
@@ -185,7 +185,7 @@ class SettingsApiTest extends TenantTestCase
         $response = $this->authenticatedRequest('GET', '/api/v1/tenant/settings');
 
         $response->assertStatus(200)
-            ->assertJsonPath('data.settings.branding.primary_color', '#3B82F6') // Default for this tenant
+            ->assertJsonPath('data.settings.branding.primary_color', '#FF5A5F') // Default for this tenant
             ->assertJsonMissing(['#FF0000']); // Other tenant's color
     }
 }