diff --git a/app/Domains/Ticketing/Desfile/Controllers/EntryReservationController.php b/app/Domains/Ticketing/Desfile/Controllers/EntryReservationController.php
new file mode 100644
index 0000000..7376e2a
--- /dev/null
+++ b/app/Domains/Ticketing/Desfile/Controllers/EntryReservationController.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Domains\Ticketing\Desfile\Controllers;
+
+use App\Domains\Ticketing\Desfile\Requests\StoreEntryReservationsRequest;
+use App\Domains\Ticketing\Desfile\Resources\EntryReservationResource;
+use App\Domains\Ticketing\Desfile\Services\EntryReservationService;
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
+
+class EntryReservationController extends Controller
+{
+    public function store(StoreEntryReservationsRequest $request, EntryReservationService $service): AnonymousResourceCollection
+    {
+        return EntryReservationResource::collection($service->reserve(
+            $request->user(), $request->validated('idempotency_key'), $request->validated('rows'),
+        ));
+    }
+}
diff --git a/app/Domains/Ticketing/Desfile/Models/EntryReservation.php b/app/Domains/Ticketing/Desfile/Models/EntryReservation.php
index 6af818b..40c7dea 100644
--- a/app/Domains/Ticketing/Desfile/Models/EntryReservation.php
+++ b/app/Domains/Ticketing/Desfile/Models/EntryReservation.php
@@ -2,14 +2,19 @@
 
 namespace App\Domains\Ticketing\Desfile\Models;
 
+use App\Domains\Commerce\Catalog\Models\Inventory;
 use App\Domains\Commerce\Catalog\Models\Variant;
 use App\Domains\Ticketing\Desfile\Enums\EntryReservationPaymentType;
+use App\Domains\Ticketing\Ticket\Models\Ticket;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 #[Fillable([
     'variant_id',
+    'ticket_id',
+    'inventory_id',
+    'batch_id',
     'fecha_reserva',
     'importe',
     'tipo_pago',
@@ -33,4 +38,14 @@ class EntryReservation extends Model
     {
         return $this->belongsTo(Variant::class)->withTrashed();
     }
+
+    public function ticket(): BelongsTo
+    {
+        return $this->belongsTo(Ticket::class);
+    }
+
+    public function inventory(): BelongsTo
+    {
+        return $this->belongsTo(Inventory::class);
+    }
 }
diff --git a/app/Domains/Ticketing/Desfile/Requests/StoreEntryReservationsRequest.php b/app/Domains/Ticketing/Desfile/Requests/StoreEntryReservationsRequest.php
new file mode 100644
index 0000000..d479992
--- /dev/null
+++ b/app/Domains/Ticketing/Desfile/Requests/StoreEntryReservationsRequest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Domains\Ticketing\Desfile\Requests;
+
+use App\Domains\Ticketing\Desfile\Enums\EntryReservationPaymentType;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class StoreEntryReservationsRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user()?->tenant_codigo === 'desfile_pura_tendencia';
+    }
+
+    public function rules(): array
+    {
+        return [
+            'idempotency_key' => ['required', 'uuid'],
+            'rows' => ['required', 'array', 'min:1', 'max:100'],
+            'rows.*' => ['required', 'array:variant_id,tipo_pago'],
+            'rows.*.variant_id' => ['required', 'integer', 'min:1', 'distinct'],
+            'rows.*.tipo_pago' => ['required', Rule::enum(EntryReservationPaymentType::class)],
+        ];
+    }
+}
diff --git a/app/Domains/Ticketing/Desfile/Resources/EntryReservationResource.php b/app/Domains/Ticketing/Desfile/Resources/EntryReservationResource.php
new file mode 100644
index 0000000..29d9e73
--- /dev/null
+++ b/app/Domains/Ticketing/Desfile/Resources/EntryReservationResource.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Domains\Ticketing\Desfile\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class EntryReservationResource extends JsonResource
+{
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'variant_id' => $this->variant_id,
+            'ticket_id' => $this->ticket_id,
+            'fecha_reserva' => $this->fecha_reserva->toIso8601String(),
+            'tipo_pago' => $this->tipo_pago->value,
+            'importe' => $this->importe,
+        ];
+    }
+}
diff --git a/app/Domains/Ticketing/Desfile/Services/EntryReservationService.php b/app/Domains/Ticketing/Desfile/Services/EntryReservationService.php
new file mode 100644
index 0000000..dc92183
--- /dev/null
+++ b/app/Domains/Ticketing/Desfile/Services/EntryReservationService.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace App\Domains\Ticketing\Desfile\Services;
+
+use App\Domains\Commerce\Catalog\Enums\InventoryPolicy;
+use App\Domains\Commerce\Catalog\Models\CatalogItem;
+use App\Domains\Commerce\Catalog\Models\Inventory;
+use App\Domains\Commerce\Catalog\Models\Variant;
+use App\Domains\Core\Auth\Models\User;
+use App\Domains\Ticketing\Desfile\Enums\EntryReservationPaymentType;
+use App\Domains\Ticketing\Desfile\Models\EntryReservation;
+use App\Domains\Ticketing\Ticket\Exceptions\TicketGenerationException;
+use App\Domains\Ticketing\Ticket\Services\TicketGeneratorService;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\ValidationException;
+
+class EntryReservationService
+{
+    public function __construct(private readonly TicketGeneratorService $tickets) {}
+
+    /** @param list<array{variant_id: int, tipo_pago: string}> $rows */
+    public function reserve(User $user, string $key, array $rows): Collection
+    {
+        abort_unless($user->tenant_codigo === 'desfile_pura_tendencia', 403);
+        $normalized = collect($rows)->map(fn (array $row): array => [
+            'variant_id' => (int) $row['variant_id'], 'tipo_pago' => $row['tipo_pago'],
+        ])->sortBy('variant_id')->values()->all();
+        $hash = hash('sha256', json_encode($normalized, JSON_THROW_ON_ERROR));
+
+        return DB::transaction(function () use ($user, $key, $rows, $hash): Collection {
+            // Serialize retries by the same administrator, including the first insert.
+            User::query()->whereKey($user->id)->lockForUpdate()->firstOrFail();
+            $batch = DB::table('desfile_reservation_batches')
+                ->where('user_id', $user->id)->where('idempotency_key', $key)->lockForUpdate()->first();
+            if ($batch !== null) {
+                abort_unless($batch->tenant_code === $user->tenant_codigo && hash_equals($batch->request_hash, $hash), 409,
+                    'La clave de envío ya fue utilizada con otras entradas.');
+
+                return EntryReservation::query()->where('batch_id', $batch->id)->with('ticket')->orderBy('id')->get();
+            }
+
+            $tenant = $user->tenant()->firstOrFail();
+            $entry = CatalogItem::query()->forTenantCatalog($tenant)->where('slug', 'entrada')
+                ->lockForUpdate()->firstOrFail();
+            $ids = array_column($rows, 'variant_id');
+            $variants = $entry->variants()->whereKey($ids)->orderBy('id')->lockForUpdate()->get();
+            $inventories = Inventory::query()->whereKey($variants->pluck('inventory_id')->filter()->unique())
+                ->orderBy('id')->lockForUpdate()->get()->keyBy('id');
+            $variants->load([
+                'eventDates', 'eventDate',
+                'desfileEntryReservations' => fn ($query) => $query->lockForUpdate(),
+            ]);
+            foreach ($variants as $variant) {
+                $variant->setRelation('inventory', $inventories->get($variant->inventory_id));
+            }
+            $entry->setRelation('variants', $variants);
+            $available = $entry->visibleVariants()->keyBy('id');
+            $requirements = [];
+            $errors = [];
+            foreach ($rows as $index => $row) {
+                $variant = $available->get($row['variant_id']);
+                if ($variant === null || $variant->inventory === null) {
+                    $errors["rows.{$index}.variant_id"] = $this->entryLabel($variants->firstWhere('id', $row['variant_id']), $index).': la entrada ya no está disponible.';
+
+                    continue;
+                }
+                $requirements[$variant->inventory_id] = ($requirements[$variant->inventory_id] ?? 0) + 1;
+            }
+            if ($errors !== []) {
+                throw ValidationException::withMessages($errors);
+            }
+            $tracked = $entry->inventory_policy !== InventoryPolicy::Unlimited;
+            foreach ($requirements as $inventoryId => $quantity) {
+                if ($tracked && $inventories[$inventoryId]->availableStock() < $quantity) {
+                    foreach ($rows as $index => $row) {
+                        $variant = $available[$row['variant_id']];
+                        if ($variant->inventory_id === $inventoryId) {
+                            $errors["rows.{$index}.variant_id"] = $this->entryLabel($variant, $index).': no hay stock suficiente para reservar las entradas seleccionadas.';
+                        }
+                    }
+                }
+            }
+            if ($errors !== []) {
+                throw ValidationException::withMessages($errors);
+            }
+
+            $batchId = DB::table('desfile_reservation_batches')->insertGetId([
+                'user_id' => $user->id, 'tenant_code' => $tenant->codigo,
+                'idempotency_key' => $key, 'request_hash' => $hash,
+                'created_at' => now(), 'updated_at' => now(),
+            ]);
+            foreach ($requirements as $inventoryId => $quantity) {
+                $inventories[$inventoryId]->reserveEntry($quantity, $tracked);
+            }
+            $reservations = collect();
+            foreach ($rows as $index => $row) {
+                $variant = $available[$row['variant_id']];
+                $payment = EntryReservationPaymentType::from($row['tipo_pago']);
+                try {
+                    $ticket = $this->tickets->generate($entry, $user, 1, $variant->id)->sole();
+                } catch (TicketGenerationException $exception) {
+                    throw ValidationException::withMessages([
+                        "rows.{$index}.variant_id" => $this->entryLabel($variant, $index).': no se pudo emitir el ticket. '.$exception->getMessage(),
+                    ]);
+                }
+                $reservation = EntryReservation::query()->create([
+                    'batch_id' => $batchId, 'ticket_id' => $ticket->id,
+                    'variant_id' => $variant->id, 'inventory_id' => $variant->inventory_id,
+                    'fecha_reserva' => now(), 'tipo_pago' => $payment,
+                    'importe' => $payment === EntryReservationPaymentType::Free ? 0 : $variant->getPrice(),
+                ]);
+                $reservations->push($reservation->setRelation('ticket', $ticket));
+            }
+
+            return $reservations;
+        }, 3);
+    }
+
+    private function entryLabel(?Variant $variant, int $index): string
+    {
+        if ($variant === null) {
+            return 'Entrada '.($index + 1);
+        }
+
+        $values = $variant->selectionValues();
+
+        return collect(['tipo' => 'Tipo', 'sector' => 'Sector', 'fila' => 'Fila', 'asiento' => 'Asiento'])
+            ->map(fn (string $label, string $key): string => $label.': '.($values->get($key) ?? 'sin especificar'))
+            ->implode(', ');
+    }
+}
diff --git a/app/Domains/Ticketing/Desfile/routes/api.php b/app/Domains/Ticketing/Desfile/routes/api.php
index 9d2429b..df2e545 100644
--- a/app/Domains/Ticketing/Desfile/routes/api.php
+++ b/app/Domains/Ticketing/Desfile/routes/api.php
@@ -1,8 +1,13 @@
 <?php
 
 use App\Domains\Ticketing\Desfile\Controllers\EntryController;
+use App\Domains\Ticketing\Desfile\Controllers\EntryReservationController;
 use Illuminate\Support\Facades\Route;
 
+Route::post('v1/adminapp/tenant/desfile/entry-reservations', [EntryReservationController::class, 'store'])
+    ->middleware(['auth:sanctum', 'adminapp.tenant', 'tenant.menu:adminapp.desfile.reservas'])
+    ->name('adminapp.desfile.entry-reservations.store');
+
 Route::prefix('v1/adminapp/tenant/desfile')
     ->middleware(['auth:sanctum', 'adminapp.tenant', 'tenant.menu:adminapp.desfile.entradas'])
     ->group(function (): void {
diff --git a/tests/Feature/Desfile/EntryReservationServiceTest.php b/tests/Feature/Desfile/EntryReservationServiceTest.php
new file mode 100644
index 0000000..58c4131
--- /dev/null
+++ b/tests/Feature/Desfile/EntryReservationServiceTest.php
@@ -0,0 +1,291 @@
+<?php
+
+namespace Tests\Feature\Desfile;
+
+use App\Domains\Commerce\Catalog\Models\Inventory;
+use App\Domains\Core\Auth\Models\User;
+use App\Domains\Ticketing\Desfile\Requests\StoreEntryReservationsRequest;
+use App\Domains\Ticketing\Desfile\Services\EntryReservationService;
+use App\Domains\Ticketing\Ticket\Models\Ticket;
+use App\Domains\Ticketing\Ticket\Services\ResolvedTicketValidity;
+use App\Domains\Ticketing\Ticket\Services\TicketGeneratorService;
+use App\Domains\Ticketing\Ticket\Services\TicketValidityResolver;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Support\Str;
+use Illuminate\Validation\ValidationException;
+use Mockery;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+use Tests\TestCase;
+
+/** Exercises real transactions on the guarded SQLite :memory: connection. */
+class EntryReservationServiceTest extends TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        // Minimal domain schema isolates this workflow from unrelated legacy migrations.
+        Schema::create('users', function (Blueprint $table): void {
+            $table->id();
+            $table->string('tenant_codigo');
+            $table->softDeletes();
+        });
+        Schema::create('tenants', function (Blueprint $table): void {
+            $table->id();
+            $table->string('codigo')->unique();
+            $table->unsignedBigInteger('active_event_id')->nullable();
+        });
+        Schema::create('catalog_items', function (Blueprint $table): void {
+            $table->id();
+            $table->string('tenant_code');
+            $table->string('slug');
+            $table->string('inventory_policy');
+            $table->decimal('precio', 10, 2);
+            $table->timestamp('sales_end_at')->nullable();
+            $table->softDeletes();
+            $table->boolean('has_tickets')->default(true);
+            $table->unsignedBigInteger('event_id')->nullable();
+        });
+        Schema::create('inventories', function (Blueprint $table): void {
+            $table->id();
+            foreach (['real_stock', 'reserved_stock', 'sold_units', 'refunded_units'] as $column) {
+                $table->integer($column)->default(0);
+            }
+        });
+        Schema::create('variantes', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('catalog_item_id');
+            $table->foreignId('inventory_id');
+            $table->decimal('precio', 10, 2);
+            $table->unsignedBigInteger('event_date_id')->nullable();
+            $table->unsignedBigInteger('replaced_by_variant_id')->nullable();
+            $table->timestamp('sales_disabled_at')->nullable();
+            $table->softDeletes();
+        });
+        Schema::create('event_dates', function (Blueprint $table): void {
+            $table->id();
+            $table->date('date');
+            $table->time('time_start')->nullable();
+        });
+        Schema::create('attribute', function (Blueprint $table): void {
+            $table->id();
+            $table->string('codigo');
+        });
+        Schema::create('item_attributes', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('attribute_id');
+            $table->boolean('allow_multi_select')->default(false);
+        });
+        Schema::create('variant_values', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('variant_id');
+            $table->foreignId('item_attribute_id');
+            $table->string('value');
+        });
+        Schema::create('variant_event_dates', function (Blueprint $table): void {
+            $table->foreignId('variant_id');
+            $table->foreignId('event_date_id');
+        });
+        Schema::create('tickets', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('user_id');
+            $table->foreignId('source_variant_id');
+            $table->string('tenant_code')->nullable();
+            $table->uuid('ticket')->nullable()->unique();
+            $table->unsignedBigInteger('source_catalog_item_id')->nullable();
+            $table->unsignedBigInteger('source_purchase_item_id')->nullable();
+            $table->unsignedBigInteger('event_id')->nullable();
+            $table->timestamp('used_at')->nullable();
+        });
+        (require database_path('migrations/2026_09_23_010000_create_desfile_entry_reservations_table.php'))->up();
+        (require database_path('migrations/2026_09_24_000000_add_administrative_entry_reservation_stock.php'))->up();
+        DB::table('tenants')->insert(['codigo' => 'desfile_pura_tendencia']);
+        DB::table('users')->insert(['id' => 1, 'tenant_codigo' => 'desfile_pura_tendencia']);
+        DB::table('catalog_items')->insert([
+            'id' => 1, 'tenant_code' => 'desfile_pura_tendencia', 'slug' => 'entrada',
+            'inventory_policy' => 'tracked', 'precio' => 100,
+        ]);
+        foreach ([1, 2] as $id) {
+            DB::table('inventories')->insert(['id' => $id, 'real_stock' => 1]);
+            DB::table('variantes')->insert(['id' => $id, 'catalog_item_id' => 1, 'inventory_id' => $id, 'precio' => 250]);
+        }
+        foreach (['tipo' => 'NORMAL', 'sector' => 'A', 'fila' => '3', 'asiento' => '17'] as $code => $value) {
+            $attributeId = DB::table('attribute')->insertGetId(['codigo' => $code]);
+            $itemAttributeId = DB::table('item_attributes')->insertGetId(['attribute_id' => $attributeId]);
+            foreach ([1, 2] as $variantId) {
+                DB::table('variant_values')->insert([
+                    'variant_id' => $variantId, 'item_attribute_id' => $itemAttributeId, 'value' => $value,
+                ]);
+            }
+        }
+    }
+
+    private function service(bool $failSecond = false): EntryReservationService
+    {
+        $generator = Mockery::mock(TicketGeneratorService::class);
+        $generator->shouldReceive('generate')->andReturnUsing(function ($entry, $user, $quantity, $variantId) use ($failSecond) {
+            if ($failSecond && $variantId === 2) {
+                throw new \RuntimeException('Ticket generation failed');
+            }
+            $this->assertSame(1, $quantity);
+            $id = DB::table('tickets')->insertGetId(['user_id' => $user->id, 'source_variant_id' => $variantId]);
+
+            return collect([Ticket::query()->findOrFail($id)]);
+        });
+
+        return new EntryReservationService($generator);
+    }
+
+    private function rows(): array
+    {
+        return [['variant_id' => 1, 'tipo_pago' => 'sin_cargo'], ['variant_id' => 2, 'tipo_pago' => 'otro_metodo']];
+    }
+
+    public function test_reserves_stock_calculates_prices_and_replays_without_duplicates(): void
+    {
+        $service = $this->service();
+        $key = (string) Str::uuid();
+        $user = User::query()->findOrFail(1);
+        $result = $service->reserve($user, $key, $this->rows());
+        $this->assertSame(['0.00', '250.00'], $result->pluck('importe')->all());
+        $replayed = $service->reserve($user, $key, $this->rows());
+        $this->assertSame($result->pluck('id')->all(), $replayed->pluck('id')->all());
+        $this->assertDatabaseCount('tickets', 2);
+        $this->assertDatabaseCount('desfile_entry_reservations', 2);
+        $this->assertDatabaseCount('desfile_reservation_batches', 1);
+        foreach (Inventory::all() as $inventory) {
+            $this->assertSame(1, $inventory->entry_reserved_stock);
+            $this->assertSame(1, $inventory->real_stock);
+            $this->assertSame(0, $inventory->reserved_stock);
+            $this->assertSame(0, $inventory->sold_units);
+            $this->assertSame(0, $inventory->availableStock());
+        }
+        $this->assertDatabaseHas('tickets', ['user_id' => 1, 'source_variant_id' => 1]);
+    }
+
+    public function test_conflicting_cart_stock_rejects_the_entire_batch(): void
+    {
+        DB::table('inventories')->where('id', 2)->update(['reserved_stock' => 1]);
+        try {
+            $this->service()->reserve(User::findOrFail(1), (string) Str::uuid(), $this->rows());
+            $this->fail('Expected unavailable variant');
+        } catch (ValidationException $error) {
+            $this->assertArrayHasKey('rows.1.variant_id', $error->errors());
+            $this->assertStringContainsString('Tipo: NORMAL, Sector: A, Fila: 3, Asiento: 17', $error->errors()['rows.1.variant_id'][0]);
+        }
+        $this->assertDatabaseCount('tickets', 0);
+        $this->assertDatabaseCount('desfile_entry_reservations', 0);
+        $this->assertSame(0, (int) Inventory::sum('entry_reserved_stock'));
+    }
+
+    public function test_ticket_failure_rolls_back_stock_tickets_and_idempotency_record(): void
+    {
+        try {
+            $this->service(true)->reserve(User::findOrFail(1), (string) Str::uuid(), $this->rows());
+            $this->fail('Expected generation failure');
+        } catch (\RuntimeException $error) {
+            $this->assertSame('Ticket generation failed', $error->getMessage());
+        }
+        $this->assertDatabaseCount('tickets', 0);
+        $this->assertDatabaseCount('desfile_entry_reservations', 0);
+        $this->assertDatabaseCount('desfile_reservation_batches', 0);
+        $this->assertSame(0, (int) Inventory::sum('entry_reserved_stock'));
+    }
+
+    public function test_new_attempt_cannot_reserve_an_already_reserved_variant(): void
+    {
+        $service = $this->service();
+        $user = User::findOrFail(1);
+        $service->reserve($user, (string) Str::uuid(), $this->rows());
+        $this->expectException(ValidationException::class);
+        $service->reserve($user, (string) Str::uuid(), $this->rows());
+    }
+
+    public function test_a_reused_key_with_different_rows_is_rejected(): void
+    {
+        $service = $this->service();
+        $key = (string) Str::uuid();
+        $user = User::findOrFail(1);
+        $service->reserve($user, $key, $this->rows());
+        try {
+            $service->reserve($user, $key, [['variant_id' => 1, 'tipo_pago' => 'otro_metodo']]);
+            $this->fail('Expected conflict');
+        } catch (HttpException $error) {
+            $this->assertSame(409, $error->getStatusCode());
+        }
+        $this->assertDatabaseCount('tickets', 2);
+    }
+
+    public function test_variants_outside_the_tenant_catalog_are_rejected(): void
+    {
+        DB::table('variantes')->where('id', 2)->update(['catalog_item_id' => 999]);
+        $this->expectException(ValidationException::class);
+        $this->service()->reserve(User::findOrFail(1), (string) Str::uuid(), $this->rows());
+    }
+
+    public function test_shared_inventory_is_checked_for_the_whole_batch(): void
+    {
+        DB::table('variantes')->where('id', 2)->update(['inventory_id' => 1]);
+        try {
+            $this->service()->reserve(User::findOrFail(1), (string) Str::uuid(), $this->rows());
+            $this->fail('Expected insufficient shared stock');
+        } catch (ValidationException $error) {
+            $this->assertSame(['rows.0.variant_id', 'rows.1.variant_id'], array_keys($error->errors()));
+            foreach ($error->errors() as $messages) {
+                $this->assertStringContainsString('Tipo: NORMAL, Sector: A, Fila: 3, Asiento: 17', $messages[0]);
+            }
+        }
+        $this->assertDatabaseCount('tickets', 0);
+    }
+
+    public function test_cart_cannot_reserve_administratively_reserved_stock(): void
+    {
+        $this->service()->reserve(User::findOrFail(1), (string) Str::uuid(), $this->rows());
+        $this->expectException(\InvalidArgumentException::class);
+        Inventory::findOrFail(1)->reserve(1, true);
+    }
+
+    public function test_request_rejects_duplicate_variants_and_client_amounts(): void
+    {
+        $rules = (new StoreEntryReservationsRequest)->rules();
+        $validator = Validator::make([
+            'idempotency_key' => (string) Str::uuid(),
+            'rows' => [
+                ['variant_id' => 1, 'tipo_pago' => 'sin_cargo', 'importe' => 0],
+                ['variant_id' => 1, 'tipo_pago' => 'invalid'],
+            ],
+        ], $rules);
+        $this->assertTrue($validator->fails());
+        $this->assertArrayHasKey('rows.0', $validator->errors()->toArray());
+        $this->assertArrayHasKey('rows.1.variant_id', $validator->errors()->toArray());
+        $this->assertArrayHasKey('rows.1.tipo_pago', $validator->errors()->toArray());
+    }
+
+    public function test_real_ticket_generator_links_admin_variant_and_reservation(): void
+    {
+        $validity = Mockery::mock(TicketValidityResolver::class);
+        $validity->shouldReceive('resolveVariant')->andReturn(
+            ResolvedTicketValidity::unrestricted(),
+        );
+        $service = new EntryReservationService(new TicketGeneratorService($validity));
+        $result = $service->reserve(User::findOrFail(1), (string) Str::uuid(), $this->rows());
+        foreach ($result as $reservation) {
+            $this->assertDatabaseHas('tickets', [
+                'id' => $reservation->ticket_id, 'user_id' => 1,
+                'source_variant_id' => $reservation->variant_id,
+                'source_catalog_item_id' => 1, 'tenant_code' => 'desfile_pura_tendencia',
+                'source_purchase_item_id' => null,
+            ]);
+            $this->assertTrue(Str::isUuid($reservation->ticket->ticket));
+        }
+    }
+
+    public function test_request_rejects_a_user_from_another_tenant(): void
+    {
+        $request = new StoreEntryReservationsRequest;
+        $request->setUserResolver(fn () => new User(['tenant_codigo' => 'other']));
+        $this->assertFalse($request->authorize());
+    }
+}