feat(product-ticket-selector): enhance variant selection handling and add toast notifications for errors

.vscode/launch.json

@@ -7,7 +7,7 @@
       "type": "chrome",
       "request": "launch",
       "preLaunchTask": "npm: start",
-      "url": "http://localhost:4200/"
+      "url": "http://localhost:4300/"
     },
     {
       "name": "ng test",

angular.json

@@ -34,7 +34,12 @@
             "server": "src/main.server.ts",
             "outputMode": "server",
             "security": {
-              "allowedHosts": ["localhost", "127.0.0.1"]
+              "allowedHosts": [
+                "localhost",
+                "localhost:4300",
+                "127.0.0.1",
+                "127.0.0.1:4300"
+              ]
             },
             "ssr": {
               "entry": "src/server.ts"

src/app/app.config.spec.ts

@@ -0,0 +1,28 @@
+import { HttpRequest } from '@angular/common/http';
+
+import { isStoreCatalogRequest } from './app.config';
+
+describe('isStoreCatalogRequest', () => {
+  it.each([
+    'http://localhost:8000/api/tenants/demo/catalog',
+    'http://localhost:8000/api/tenants/demo/catalog?currency=ARS',
+    'http://localhost:8000/api/tenants/demo/catalog/featured-groups/7/items?page=2',
+    'http://localhost:8000/api/tenants/demo/catalog-items?q=remera&page=1',
+    'http://localhost:8000/api/tenants/demo/catalog-items/42?variant_id=3',
+  ])('includes GET %s in the hydration transfer cache', (url) => {
+    expect(isStoreCatalogRequest(new HttpRequest('GET', url))).toBe(true);
+  });
+
+  it.each([
+    ['POST', 'http://localhost:8000/api/tenants/demo/catalog-items'],
+    ['GET', 'http://localhost:8000/api/tenants/demo/productos'],
+    ['GET', 'http://localhost:8000/api/tenants/demo/categories/7'],
+    ['GET', 'http://localhost:8000/api/tenants/demo/catalog-items/42/variant-options'],
+    ['GET', 'http://localhost:8000/api/tenants/demo/catalogue'],
+  ])('excludes %s %s from the hydration transfer cache', (method, url) => {
+    const request =
+      method === 'GET' ? new HttpRequest('GET', url) : new HttpRequest('POST', url, null);
+
+    expect(isStoreCatalogRequest(request)).toBe(false);
+  });
+});

src/app/app.config.ts

@@ -13,10 +13,12 @@ import { authInterceptor } from './core/services/auth/auth.interceptor';
 import { globalLoadingInterceptor } from './core/services/global-loading/global-loading.interceptor';
 import { tenantBootstrap } from './core/services/tenant-bootstrap';
 
-function isStoreCatalogRequest(request: HttpRequest<unknown>): boolean {
+export function isStoreCatalogRequest(request: HttpRequest<unknown>): boolean {
   return (
     request.method === 'GET' &&
-    /\/api\/tenants\/[^/]+\/productos(?:\/\d+)?(?:\?|$)/.test(request.urlWithParams)
+    /\/api\/tenants\/[^/?#]+\/(?:catalog(?:\/featured-groups\/\d+\/items)?|catalog-items(?:\/\d+)?)\/?(?:[?#]|$)/.test(
+      request.urlWithParams,
+    )
   );
 }
 

src/app/app.routes.spec.ts

@@ -233,6 +233,19 @@ describe('app routes', () => {
     expect(compiled.textContent).toContain('No encontramos una tienda para este dominio');
   });
 
+  it('renders the tenant not found screen at / without redirecting to itself', async () => {
+    const { fixture, router } = await renderAppAt(
+      '/',
+      createTenantServiceStub('not-found', null),
+      createAuthServiceStub()
+    );
+    const compiled = fixture.nativeElement as HTMLElement;
+
+    expect(router.url).toBe('/');
+    expect(compiled.querySelector('.tenant-status')).not.toBeNull();
+    expect(compiled.textContent).toContain('No encontramos una tienda para este dominio');
+  });
+
   it('redirects unauthenticated users from /checkout to /login', async () => {
     const { router } = await renderAppAt('/checkout', createTenantServiceStub(), createAuthServiceStub(false));
 

src/app/app.spec.ts

@@ -17,6 +17,8 @@ const tenant: Tenant = {
   codigo: 'test',
   nombre: 'Test Tenant',
   dominio: 'localhost',
+  site_title: 'Test Store',
+  favicon: 'https://example.com/favicon.png',
   primary_color: '#6376F3',
   secondary_color: '#A0A0A0',
   danger_color: '#FF8888',
@@ -90,6 +92,9 @@ describe('App', () => {
     expect(fixture.nativeElement.style.getPropertyValue('--tenant-danger-rgb')).toBe(
       '255, 136, 136'
     );
+    expect(document.title).toBe(tenant.site_title);
+    expect(document.head.querySelector<HTMLLinkElement>('link[rel~="icon"]')?.getAttribute('href'))
+      .toBe(tenant.favicon);
   });
 
   it('renders the tenant not found screen when the tenant is missing', async () => {
@@ -108,5 +113,8 @@ describe('App', () => {
     fixture.detectChanges();
 
     expect(fixture.nativeElement.textContent).toContain('No encontramos una tienda para este dominio');
+    expect(document.title).toBe('ShopitFront');
+    expect(document.head.querySelector<HTMLLinkElement>('link[rel~="icon"]')?.getAttribute('href'))
+      .toBe('favicon.ico');
   });
 });

src/app/app.ts

@@ -1,4 +1,6 @@
-import { Component, computed, inject } from '@angular/core';
+import { DOCUMENT } from '@angular/common';
+import { Component, computed, effect, inject } from '@angular/core';
+import { Title } from '@angular/platform-browser';
 import { RouterOutlet } from '@angular/router';
 
 import { TenantService } from './core/services/tenant.service';
@@ -57,6 +59,28 @@ function hexToRgb(hex: string): string {
 })
 export class App {
   private readonly tenantService = inject(TenantService);
+  private readonly document = inject(DOCUMENT);
+  private readonly title = inject(Title);
+
+  constructor() {
+    effect(() => {
+      const tenant = this.tenantService.tenant();
+      const siteTitle = tenant?.site_title?.trim() || 'ShopitFront';
+      const faviconHref = tenant?.favicon || 'favicon.ico';
+
+      this.title.setTitle(siteTitle);
+
+      let favicon = this.document.head.querySelector<HTMLLinkElement>('link[rel~="icon"]');
+
+      if (!favicon) {
+        favicon = this.document.createElement('link');
+        favicon.setAttribute('rel', 'icon');
+        this.document.head.appendChild(favicon);
+      }
+
+      favicon.setAttribute('href', faviconHref);
+    });
+  }
 
   protected readonly status = this.tenantService.status;
 

src/app/core/guards/menu.guard.spec.ts

@@ -0,0 +1,76 @@
+import { TestBed } from '@angular/core/testing';
+import { provideRouter, Router, UrlTree } from '@angular/router';
+
+import { Tenant } from '../services/tenant.interface';
+import { TenantService } from '../services/tenant.service';
+import { hasMenuGuard } from './menu.guard';
+
+const tenant: Tenant = {
+  id: 1,
+  codigo: 'test',
+  nombre: 'Test Tenant',
+  dominio: 'localhost',
+  primary_color: '#6376F3',
+  secondary_color: '#A0A0A0',
+  danger_color: '#FF8888',
+  success_color: '#198754',
+  header_bg_color: '#313131',
+  footer_bg_color: '#313131',
+  header_logo: 'https://example.com/header.png',
+  footer_logo: 'https://example.com/footer.png',
+  categories: [],
+  menues: [
+    {
+      id: 1,
+      code: 'index',
+      label: 'Inicio',
+      parent_menu_code: null,
+      content_type: 'dynamic',
+      route: '/',
+      submenues: [],
+    },
+  ],
+};
+
+function runGuard(menuCode: string, url: string, currentTenant: Tenant | null) {
+  TestBed.configureTestingModule({
+    providers: [
+      provideRouter([]),
+      {
+        provide: TenantService,
+        useValue: { tenant: () => currentTenant },
+      },
+    ],
+  });
+
+  return TestBed.runInInjectionContext(() =>
+    hasMenuGuard(menuCode)(null as never, { url } as never),
+  );
+}
+
+describe('hasMenuGuard', () => {
+  beforeEach(() => {
+    TestBed.resetTestingModule();
+  });
+
+  it('allows a route exposed by the tenant menu', () => {
+    expect(runGuard('index', '/', tenant)).toBe(true);
+  });
+
+  it('cancels navigation when the tenant is missing', () => {
+    expect(runGuard('index', '/', null)).toBe(false);
+  });
+
+  it('redirects a missing menu route to the store root', () => {
+    const result = runGuard('checkout', '/checkout', tenant);
+
+    expect(result instanceof UrlTree).toBe(true);
+    expect(TestBed.inject(Router).serializeUrl(result as UrlTree)).toBe('/');
+  });
+
+  it('allows the store root when its menu is missing to avoid a self-redirect', () => {
+    const tenantWithoutMenus = { ...tenant, menues: [] };
+
+    expect(runGuard('index', '/', tenantWithoutMenus)).toBe(true);
+  });
+});

src/app/core/guards/menu.guard.ts

@@ -4,19 +4,19 @@ import { findMenu } from '../services/menu.utils';
 import { TenantService } from '../services/tenant.service';
 
 export const hasMenuGuard = (menuCode: string): CanActivateFn => {
-  return () => {
+  return (_route, state) => {
     const tenantService = inject(TenantService);
     const router = inject(Router);
 
     const tenant = tenantService.tenant();
 
     if (!tenant) {
-      return router.createUrlTree(['/']);
+      return false;
     }
 
     const hasMenu = findMenu(tenant.menues ?? [], menuCode) !== undefined;
 
-    if (hasMenu) {
+    if (hasMenu || state.url === '/') {
       return true;
     }
 

src/app/core/layout/store-layout/store-footer/store-footer.component.html

@@ -1,4 +1,7 @@
-<footer class="store-layout__footer mt-auto text-light">
+<footer
+  class="store-layout__footer mt-auto text-light"
+  [style.background-image]="backgroundImageUrl ? 'url(' + backgroundImageUrl + ')' : null"
+>
   <div class="container-xl px-3 px-md-4 py-4 py-md-5 store-layout__footer-content">
     <div class="row g-4 store-layout__footer-grid">
       <div class="col-12 store-layout__brand-column">

src/app/core/layout/store-layout/store-footer/store-footer.component.scss

@@ -1,5 +1,8 @@
 .store-layout__footer {
   background-color: var(--tenant-footer-bg);
+  background-repeat: no-repeat;
+  background-position: center;
+  background-size: cover;
 }
 
 .store-layout__mobile-divider {

src/app/core/layout/store-layout/store-footer/store-footer.component.ts

@@ -25,6 +25,7 @@ export class StoreFooterComponent {
   @Input({ required: true }) footerSections: StoreFooterSection[] = [];
   @Input({ required: true }) socialMedia: SocialMedia[] = [];
   @Input() logoUrl: string | null = null;
+  @Input() backgroundImageUrl: string | null = null;
   @Input() storeName: string | null = null;
   readonly logoutClick = output<void>();
 }

src/app/core/layout/store-layout/store-header/store-header.component.html

@@ -1,4 +1,7 @@
-<header class="store-layout__header">
+<header
+  class="store-layout__header"
+  [style.background-image]="backgroundImageUrl() ? 'url(' + backgroundImageUrl() + ')' : null"
+>
   <div class="store-layout__header-main">
     <div class="container-xl px-3 px-md-4 py-3 py-lg-4">
       <div class="row align-items-center gy-3 gy-md-0">
@@ -74,12 +77,14 @@
             </app-button>
           }
 
-          <app-cart-icon
-            [quantity]="cartQuantity()"
-            ariaLabel="Carrito de compras"
-            title="Carrito"
-            (click)="cartClick.emit()"
-          />
+          @if (displayCart()) {
+            <app-cart-icon
+              [quantity]="cartQuantity()"
+              ariaLabel="Carrito de compras"
+              title="Carrito"
+              (click)="cartClick.emit()"
+            />
+          }
 
           <div class="store-layout__user-menu d-none d-md-inline-flex position-relative">
             <app-icon-button

src/app/core/layout/store-layout/store-header/store-header.component.scss

@@ -1,6 +1,9 @@
 .store-layout__header {
   color: #ffffff;
   background-color: var(--tenant-header-bg);
+  background-repeat: no-repeat;
+  background-position: center;
+  background-size: cover;
 }
 
 .store-layout__header-main {

src/app/core/layout/store-layout/store-header/store-header.component.ts

@@ -29,6 +29,7 @@ export class StoreHeaderComponent {
   private readonly router = inject(Router);
 
   readonly logoUrl = input<string | null>(null);
+  readonly backgroundImageUrl = input<string | null>(null);
   readonly cartQuantity = input<number>(0);
   readonly user = input<AuthUser | null>(null);
   readonly isAuthenticated = input<boolean>(false);
@@ -37,6 +38,7 @@ export class StoreHeaderComponent {
   readonly categories = input<readonly Category[]>([]);
   readonly displayCategories = input(true);
   readonly displaySeachBar = input(true);
+  readonly displayCart = input(true);
   readonly cartClick = output<void>();
   readonly ticketsClick = output<void>();
   readonly loginClick = output<void>();

src/app/core/layout/store-layout/store-layout.component.html

@@ -3,6 +3,7 @@
     ngSkipHydration
     [cartQuantity]="cartQuantity()"
     [logoUrl]="tenant()?.header_logo ?? null"
+    [backgroundImageUrl]="tenant()?.header_bg_image ?? null"
     [user]="user()"
     [isAuthenticated]="isAuthenticated()"
     [accountNavigationMenus]="accountNavigationMenus()"
@@ -10,6 +11,7 @@
     [categories]="tenant()?.categories ?? []"
     [displayCategories]="tenant()?.display_categories ?? true"
     [displaySeachBar]="tenant()?.display_seach_bar ?? true"
+    [displayCart]="displayCart()"
     (cartClick)="isCartOpen.set(!isCartOpen())"
     (ticketsClick)="onTicketsClick()"
     (loginClick)="onLoginClick()"
@@ -18,7 +20,7 @@
     (categorySelect)="onCategorySelect($event)"
   />
 
-  @if (isCartOpen()) {
+  @if (displayCart() && isCartOpen()) {
     <div class="store-layout__cart-overlay" (click)="isCartOpen.set(false)"></div>
     <div class="store-layout__cart-dropdown card border-0 shadow-lg">
       <app-cart
@@ -58,6 +60,7 @@
     [footerSections]="footerSections()"
     [socialMedia]="tenant()?.social_media ?? []"
     [logoUrl]="tenant()?.footer_logo ?? null"
+    [backgroundImageUrl]="tenant()?.footer_bg_image ?? null"
     [storeName]="tenant()?.nombre ?? null"
     (logoutClick)="onLogoutClick()"
   />

src/app/core/layout/store-layout/store-layout.component.spec.ts

@@ -30,6 +30,8 @@ const tenant: Tenant = {
   footer_bg_color: '#313131',
   header_logo: 'https://example.com/header.png',
   footer_logo: 'https://example.com/footer.png',
+  header_bg_image: 'https://example.com/header-background.png',
+  footer_bg_image: 'https://example.com/footer-background.png',
   categories: [],
   menues: [
     {
@@ -210,6 +212,7 @@ describe('StoreLayoutComponent', () => {
       categories: [{ id: 1, nombre: 'Remeras', subcategories: [] }],
       display_categories: false,
       display_seach_bar: false,
+      display_cart: false,
     });
 
     const fixture = TestBed.createComponent(StoreLayoutComponent);
@@ -219,6 +222,13 @@ describe('StoreLayoutComponent', () => {
 
     expect(compiled.querySelector('#store-search-input')).toBeNull();
     expect(compiled.querySelector('.store-layout__category-trigger')).toBeNull();
+    expect(compiled.querySelector('app-cart-icon')).toBeNull();
+
+    (fixture.componentInstance as any).isCartOpen.set(true);
+    fixture.detectChanges();
+
+    expect(compiled.querySelector('app-cart')).toBeNull();
+    expect(compiled.querySelector('.store-layout__cart-overlay')).toBeNull();
 
     const header = fixture.debugElement.query(By.directive(StoreHeaderComponent));
     (header.componentInstance as any).toggleMobileMenu();
@@ -245,6 +255,12 @@ describe('StoreLayoutComponent', () => {
         `app-store-footer img.store-layout__brand-logo[src="${tenant.footer_logo}"]`,
       ),
     ).not.toBeNull();
+    expect(
+      (compiled.querySelector('.store-layout__header') as HTMLElement).style.backgroundImage,
+    ).toContain(tenant.header_bg_image!);
+    expect(
+      (compiled.querySelector('.store-layout__footer') as HTMLElement).style.backgroundImage,
+    ).toContain(tenant.footer_bg_image!);
     expect(compiled.querySelector('.fa-cart-shopping')).not.toBeNull();
     expect(compiled.querySelector('.fa-circle-user')).not.toBeNull();
     expect(compiled.querySelector('.fa-instagram')).not.toBeNull();

src/app/core/layout/store-layout/store-layout.component.ts

@@ -35,6 +35,7 @@ export class StoreLayoutComponent implements OnInit {
 
   protected readonly isCartOpen = signal(false);
   protected readonly isCreatingPurchase = signal(false);
+  protected readonly displayCart = computed(() => this.tenant()?.display_cart ?? true);
 
   protected readonly cartSubtotal = computed(() => {
     const cart = this.cartService.cart();
@@ -69,10 +70,7 @@ export class StoreLayoutComponent implements OnInit {
       });
     }
 
-    const variants = (item.product?.variants ?? []).map((variant) => ({
-      value: variant.id,
-      values: variant.values,
-    }));
+    const variants = item.product?.variants ?? [];
     const selectedVariant = item.product?.variants?.find(
       (variant) => variant.id === item.variant_id,
     );

src/app/core/services/auth/auth.service.spec.ts

@@ -2,8 +2,10 @@ import { PLATFORM_ID, TransferState } from '@angular/core';
 import { TestBed } from '@angular/core/testing';
 import { provideHttpClient } from '@angular/common/http';
 import { HttpTestingController, provideHttpClientTesting } from '@angular/common/http/testing';
+import { TimeoutError } from 'rxjs';
 
 import { environment } from '../../../../environments/environment';
+import { BOOTSTRAP_REQUEST_TIMEOUT_MS } from '../bootstrap-request-timeout';
 import { AuthService } from './auth.service';
 import { CookieService } from '../cookie/cookie.service';
 import { TenantService } from '../tenant.service';
@@ -181,6 +183,43 @@ describe('AuthService', () => {
     httpController.verify();
   });
 
+  it('propagates a /me timeout without clearing the local session', async () => {
+    cookieStore['shopit.front.auth.token'] = 'valid-token';
+    vi.useFakeTimers();
+
+    try {
+      TestBed.configureTestingModule({
+        providers: [
+          provideHttpClient(),
+          provideHttpClientTesting(),
+          AuthService,
+          { provide: CookieService, useValue: createCookieServiceStub() },
+          { provide: BOOTSTRAP_REQUEST_TIMEOUT_MS, useValue: 25 },
+          TransferState,
+        ],
+      });
+
+      const service = TestBed.inject(AuthService);
+      const httpController = TestBed.inject(HttpTestingController);
+
+      const bootstrapPromise = service.bootstrap();
+      const rejection = expect(bootstrapPromise).rejects.toBeInstanceOf(TimeoutError);
+      const request = httpController.expectOne(`${environment.url}me`);
+
+      await vi.advanceTimersByTimeAsync(25);
+      await rejection;
+
+      expect(request.cancelled).toBe(true);
+      expect(service.user()).toBeNull();
+      expect(service.token()).toBe('valid-token');
+      expect(cookieStore['shopit.front.auth.token']).toBe('valid-token');
+
+      httpController.verify();
+    } finally {
+      vi.useRealTimers();
+    }
+  });
+
   it('registers without creating a session', () => {
     TestBed.configureTestingModule({
       providers: [

src/app/core/services/auth/auth.service.ts

@@ -2,7 +2,7 @@ import { DOCUMENT } from '@angular/common';
 import { HttpErrorResponse, HttpResponse } from '@angular/common/http';
 import { isPlatformBrowser, isPlatformServer } from '@angular/common';
 import { computed, inject, Injectable, PLATFORM_ID, signal, TransferState, makeStateKey } from '@angular/core';
-import { firstValueFrom, map, Observable, of, tap } from 'rxjs';
+import { firstValueFrom, map, Observable, of, tap, timeout } from 'rxjs';
 
 import { environment } from '../../../../environments/environment';
 import { BaseApiService } from '../base-api.service';
@@ -20,6 +20,7 @@ import {
 } from './auth.interfaces';
 import { CookieService } from '../cookie/cookie.service';
 import { TenantService } from '../tenant.service';
+import { BOOTSTRAP_REQUEST_TIMEOUT_MS } from '../bootstrap-request-timeout';
 
 const AUTH_TOKEN_COOKIE_KEY = 'shopit.front.auth.token';
 const AUTH_USER_SSR_STATE_KEY = makeStateKey<AuthUser>('shopit.auth.user');
@@ -33,6 +34,7 @@ export class AuthService extends BaseApiService {
   private readonly cookieService = inject(CookieService);
   private readonly transferState = inject(TransferState);
   private readonly tenantService = inject(TenantService);
+  private readonly bootstrapRequestTimeoutMs = inject(BOOTSTRAP_REQUEST_TIMEOUT_MS);
 
   private readonly userState = signal<AuthUser | null>(null);
   private readonly tokenState = signal<string | null>(null);
@@ -175,7 +177,9 @@ export class AuthService extends BaseApiService {
     }
 
     try {
-      const user = await firstValueFrom(this.loadCurrentUser());
+      const user = await firstValueFrom(
+        this.loadCurrentUser().pipe(timeout(this.bootstrapRequestTimeoutMs)),
+      );
 
       if (isPlatformServer(this.platformId)) {
         this.transferState.set(AUTH_USER_SSR_STATE_KEY, user);

src/app/core/services/bootstrap-request-timeout.ts

@@ -0,0 +1,9 @@
+import { InjectionToken } from '@angular/core';
+
+export const BOOTSTRAP_REQUEST_TIMEOUT_MS = new InjectionToken<number>(
+  'BOOTSTRAP_REQUEST_TIMEOUT_MS',
+  {
+    providedIn: 'root',
+    factory: () => 10_000,
+  },
+);

src/app/core/services/catalog/catalog.interface.ts

@@ -49,6 +49,16 @@ export interface ProductAttribute {
 
 export type InventoryPolicy = 'tracked' | 'unlimited';
 
+export interface CatalogVariantOption {
+  value: string;
+  label: string;
+}
+
+export type CatalogVariantValue =
+  | string
+  | CatalogVariantOption
+  | Array<string | CatalogVariantOption>;
+
 export interface CatalogItemVariant {
   id: number;
   descripcion?: string | null;
@@ -92,15 +102,39 @@ export interface CatalogItemDetail {
   images?: string[];
 }
 
-export type CatalogProductLayout = 'row' | 'column_with_image' | 'column_with_cart';
-export type CatalogGroupLayout = 'paginated' | 'simple' | 'simple_vertical' | 'carousel';
+export type CatalogProductLayout =
+  | 'row'
+  | 'column_with_image'
+  | 'column_with_cart'
+  | 'ticket_selector';
+export type CatalogGroupLayout = 'paginated' | 'simple' | 'simple_vertical' | 'carousel' | 'single';
 
 export interface CatalogFeaturedItemVariant {
   id: number;
   descripcion?: string | null;
   precio?: string;
   stock_tecnico: number | null;
-  values: Record<string, string | string[]>;
+  values: Record<string, CatalogVariantValue>;
+}
+
+export interface CatalogVariantOptionsResponse {
+  selectors: CatalogVariantSelector[];
+  selected_values: Record<string, string | string[]>;
+  resolved_variant: CatalogFeaturedItemVariant | null;
+  valid: boolean;
+  available_variant_count: number;
+  matching_variant_count: number;
+  price_range: {
+    minimum: string;
+    maximum: string;
+  };
+}
+
+export interface CatalogVariantSelector {
+  key: string;
+  label: string;
+  options: CatalogVariantValue[];
+  enabled: boolean;
 }
 
 export interface CatalogFeaturedItem {

src/app/core/services/catalog/catalog.service.ts

@@ -12,6 +12,7 @@ import {
   CatalogFeaturedItem,
   CatalogFeaturedItems,
   CatalogItemDetail,
+  CatalogVariantOptionsResponse,
   CategoryItemsResponse,
   Product,
 } from './catalog.interface';
@@ -74,10 +75,7 @@ export class CatalogService extends BaseApiService {
     );
   }
 
-  getCatalogItem(
-    id: number,
-    variantId?: number,
-  ): Observable<CatalogItemDetail> {
+  getCatalogItem(id: number, variantId?: number): Observable<CatalogItemDetail> {
     let params = new HttpParams();
     if (variantId) {
       params = params.set('variant_id', variantId);
@@ -90,6 +88,20 @@ export class CatalogService extends BaseApiService {
       .pipe(map((response) => response.data));
   }
 
+  getVariantOptions(
+    catalogItemId: number,
+    payload: {
+      selected_values: Record<string, string | string[]>;
+      cart_item_id?: number | null;
+    },
+  ): Observable<CatalogVariantOptionsResponse> {
+    return this.http
+      .post<
+        ApiResponse<CatalogVariantOptionsResponse>
+      >(`${this.tenantApiUrl}/catalog-items/${catalogItemId}/variant-options`, payload, { withCredentials: true })
+      .pipe(map((response) => response.data));
+  }
+
   private buildHttpParams(params?: ApiPaginationQueryParams): HttpParams {
     if (!params) {
       return new HttpParams();

src/app/core/services/checkout.service.spec.ts

@@ -0,0 +1,41 @@
+import { provideHttpClient } from '@angular/common/http';
+import { HttpTestingController, provideHttpClientTesting } from '@angular/common/http/testing';
+import { TestBed } from '@angular/core/testing';
+import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+
+import { environment } from '../../../environments/environment';
+import { CheckoutService } from './checkout.service';
+
+describe('CheckoutService', () => {
+  let service: CheckoutService;
+  let httpMock: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [CheckoutService, provideHttpClient(), provideHttpClientTesting()],
+    });
+
+    service = TestBed.inject(CheckoutService);
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => httpMock.verify());
+
+  it('starts one direct checkout with all selected variants', async () => {
+    const payload = {
+      direct_items: [
+        { catalog_item_id: 10, variant_id: 101, cantidad: 1 },
+        { catalog_item_id: 10, variant_id: 102, cantidad: 1 },
+      ],
+    };
+    const purchasePromise = service.startCheckout('desfile', payload);
+    const request = httpMock.expectOne(`${environment.url}tenants/desfile/compras/start-checkout`);
+
+    expect(request.request.method).toBe('POST');
+    expect(request.request.body).toEqual(payload);
+
+    request.flush({ data: { id: 55 } });
+
+    await expect(purchasePromise).resolves.toMatchObject({ id: 55 });
+  });
+});

src/app/core/services/checkout.service.ts

@@ -11,16 +11,44 @@ export interface UpdatePurchaseCustomerPayload {
   email: string;
 }
 
+export interface DirectCheckoutItem {
+  catalog_item_id: number;
+  variant_id: number | null;
+  cantidad: number;
+}
+
+export interface UnavailableCheckoutItem {
+  index: number;
+  catalog_item_id: number;
+  variant_id: number | null;
+  requested_quantity: number;
+  available_quantity: number;
+  message: string;
+}
+
+export interface InsufficientStockResponse {
+  code: 'purchase.insufficient_stock';
+  message: string;
+  errors: Record<string, string[]>;
+  unavailable_items: UnavailableCheckoutItem[];
+}
+
+export function isInsufficientStockResponse(value: unknown): value is InsufficientStockResponse {
+  if (typeof value !== 'object' || value === null) return false;
+
+  const response = value as Partial<InsufficientStockResponse>;
+
+  return (
+    response.code === 'purchase.insufficient_stock' && Array.isArray(response.unavailable_items)
+  );
+}
+
 export type StartCheckoutPayload =
   | {
       cart_id: number;
     }
   | {
-      direct_item: {
-        catalog_item_id: number;
-        variant_id: number | null;
-        cantidad: number;
-      };
+      direct_items: DirectCheckoutItem[];
     };
 
 export interface PurchaseStatusResponse {
@@ -181,10 +209,7 @@ export class CheckoutService extends BaseApiService {
     return purchase;
   }
 
-  async completePurchase(
-    tenantCode: string,
-    purchaseId: number,
-  ): Promise<PurchaseStatusResponse> {
+  async completePurchase(tenantCode: string, purchaseId: number): Promise<PurchaseStatusResponse> {
     const response = await firstValueFrom(
       this.http.post<{ data?: PurchaseStatusResponse } | PurchaseStatusResponse>(
         `${environment.url}tenants/${tenantCode}/compras/${purchaseId}/complete`,
@@ -222,10 +247,7 @@ export class CheckoutService extends BaseApiService {
     return { status: purchase.status ?? null };
   }
 
-  async cancelPurchase(
-    tenantCode: string,
-    purchaseId: number,
-  ): Promise<PurchaseStatusResponse> {
+  async cancelPurchase(tenantCode: string, purchaseId: number): Promise<PurchaseStatusResponse> {
     const response = await firstValueFrom(
       this.http.post<{ data?: PurchaseStatusResponse } | PurchaseStatusResponse>(
         `${environment.url}tenants/${tenantCode}/compras/${purchaseId}/cancel`,
@@ -249,9 +271,7 @@ export class CheckoutService extends BaseApiService {
     if (status) {
       url += `?status=${status}`;
     }
-    const response = await firstValueFrom(
-      this.http.get<{ data: PurchaseSummaryResponse[] }>(url),
-    );
+    const response = await firstValueFrom(this.http.get<{ data: PurchaseSummaryResponse[] }>(url));
     if (!response) {
       throw new Error('Error al obtener las compras.');
     }

src/app/core/services/tenant.interface.ts

@@ -96,6 +96,8 @@ export interface Tenant {
   codigo: string;
   nombre: string;
   dominio: string;
+  site_title?: string | null;
+  favicon?: string | null;
   primary_color: string;
   secondary_color: string;
   danger_color: string;
@@ -104,6 +106,8 @@ export interface Tenant {
   footer_bg_color: string;
   header_logo: string;
   footer_logo: string;
+  header_bg_image?: string | null;
+  footer_bg_image?: string | null;
   website_type_code?: string | null;
   website_type?: WebsiteType | null;
   event_date_text?: string | null;
@@ -111,11 +115,12 @@ export interface Tenant {
   event?: TenantEvent | null;
   selected_bank_account_id?: number | null;
   selected_bank_account?: BankAccount | null;
-  search_product_layout?: 'row' | 'column_with_image' | 'column_with_cart';
-  search_group_layout?: 'paginated' | 'simple' | 'simple_vertical' | 'carousel';
+  search_product_layout?: 'row' | 'column_with_image' | 'column_with_cart' | 'ticket_selector';
+  search_group_layout?: 'paginated' | 'simple' | 'simple_vertical' | 'carousel' | 'single';
   search_items_per_page?: number;
   display_categories?: boolean;
   display_seach_bar?: boolean;
+  display_cart?: boolean;
   social_media?: SocialMedia[];
   menues?: Menu[];
   categories: Category[];

src/app/core/services/tenant.service.spec.ts

@@ -2,8 +2,10 @@ import { PLATFORM_ID, REQUEST, RESPONSE_INIT, TransferState } from '@angular/cor
 import { TestBed } from '@angular/core/testing';
 import { provideHttpClient } from '@angular/common/http';
 import { HttpTestingController, provideHttpClientTesting } from '@angular/common/http/testing';
+import { TimeoutError } from 'rxjs';
 
 import { environment } from '../../../environments/environment';
+import { BOOTSTRAP_REQUEST_TIMEOUT_MS } from './bootstrap-request-timeout';
 import { Tenant, TenantBootstrapResponse } from './tenant.interface';
 import { TENANT_SSR_STATE_KEY } from './tenant-ssr-cache.store';
 import { TenantService } from './tenant.service';
@@ -29,15 +31,15 @@ const tenant: Tenant = {
         {
           id: 2,
           nombre: 'Manga corta',
-          subcategories: []
-        }
-      ]
-    }
-  ]
+          subcategories: [],
+        },
+      ],
+    },
+  ],
 };
 
 const tenantResponse: TenantBootstrapResponse = {
-  data: tenant
+  data: tenant,
 };
 
 describe('TenantService', () => {
@@ -51,14 +53,16 @@ describe('TenantService', () => {
 
   it('requests the tenant bootstrap endpoint using the current hostname and stores the response', async () => {
     TestBed.configureTestingModule({
-      providers: [provideHttpClient(), provideHttpClientTesting(), TenantService]
+      providers: [provideHttpClient(), provideHttpClientTesting(), TenantService],
     });
 
     const service = TestBed.inject(TenantService);
     const httpController = TestBed.inject(HttpTestingController);
 
     const bootstrapPromise = service.bootstrap();
-    const request = httpController.expectOne(`${environment.url}tenants/bootstrap/localhost`);
+    const request = httpController.expectOne(
+      `${environment.url}tenants/bootstrap?dominio=localhost&path=/`,
+    );
 
     expect(request.request.method).toBe('GET');
 
@@ -74,7 +78,7 @@ describe('TenantService', () => {
 
   it('hydrates the tenant from TransferState without performing HTTP on the browser', async () => {
     TestBed.configureTestingModule({
-      providers: [provideHttpClient(), provideHttpClientTesting(), TenantService]
+      providers: [provideHttpClient(), provideHttpClientTesting(), TenantService],
     });
 
     const service = TestBed.inject(TenantService);
@@ -83,7 +87,7 @@ describe('TenantService', () => {
 
     transferState.set(TENANT_SSR_STATE_KEY, {
       status: 'ready',
-      tenant
+      tenant,
     });
 
     await expect(service.bootstrap()).resolves.toBeUndefined();
@@ -109,12 +113,12 @@ describe('TenantService', () => {
           useValue: new Request('https://internal.example/render', {
             headers: {
               'x-forwarded-host': 'STORE.EXAMPLE.COM:443, proxy.internal',
-              host: 'ignored.example.com'
-            }
-          })
+              host: 'ignored.example.com',
+            },
+          }),
         },
-        { provide: RESPONSE_INIT, useValue: responseInit }
-      ]
+        { provide: RESPONSE_INIT, useValue: responseInit },
+      ],
     });
 
     const service = TestBed.inject(TenantService);
@@ -122,7 +126,9 @@ describe('TenantService', () => {
     const httpController = TestBed.inject(HttpTestingController);
 
     const bootstrapPromise = service.bootstrap();
-    const request = httpController.expectOne(`${environment.url}tenants/bootstrap/store.example.com`);
+    const request = httpController.expectOne(
+      `${environment.url}tenants/bootstrap?dominio=store.example.com&path=/render`,
+    );
 
     request.flush(tenantResponse);
 
@@ -131,7 +137,7 @@ describe('TenantService', () => {
     expect(service.tenant()).toEqual(tenant);
     expect(transferState.get(TENANT_SSR_STATE_KEY, null)).toEqual({
       status: 'ready',
-      tenant
+      tenant,
     });
     expect(responseInit.status).toBeUndefined();
 
@@ -151,12 +157,12 @@ describe('TenantService', () => {
           provide: REQUEST,
           useValue: new Request('https://internal.example/render', {
             headers: {
-              host: 'missing.example.com:8443'
-            }
-          })
+              host: 'missing.example.com:8443',
+            },
+          }),
         },
-        { provide: RESPONSE_INIT, useValue: responseInit }
-      ]
+        { provide: RESPONSE_INIT, useValue: responseInit },
+      ],
     });
 
     const service = TestBed.inject(TenantService);
@@ -164,7 +170,9 @@ describe('TenantService', () => {
     const httpController = TestBed.inject(HttpTestingController);
 
     const bootstrapPromise = service.bootstrap();
-    const request = httpController.expectOne(`${environment.url}tenants/bootstrap/missing.example.com`);
+    const request = httpController.expectOne(
+      `${environment.url}tenants/bootstrap?dominio=missing.example.com&path=/render`,
+    );
 
     request.flush({ message: 'Not Found' }, { status: 404, statusText: 'Not Found' });
 
@@ -173,7 +181,7 @@ describe('TenantService', () => {
     expect(service.tenant()).toBeNull();
     expect(service.getTenant()).toBeNull();
     expect(transferState.get(TENANT_SSR_STATE_KEY, null)).toEqual({
-      status: 'not-found'
+      status: 'not-found',
     });
     expect(responseInit.status).toBe(404);
 
@@ -182,14 +190,16 @@ describe('TenantService', () => {
 
   it('rejects when the bootstrap response does not contain tenant data', async () => {
     TestBed.configureTestingModule({
-      providers: [provideHttpClient(), provideHttpClientTesting(), TenantService]
+      providers: [provideHttpClient(), provideHttpClientTesting(), TenantService],
     });
 
     const service = TestBed.inject(TenantService);
     const httpController = TestBed.inject(HttpTestingController);
 
     const bootstrapPromise = service.bootstrap();
-    const request = httpController.expectOne(`${environment.url}tenants/bootstrap/localhost`);
+    const request = httpController.expectOne(
+      `${environment.url}tenants/bootstrap?dominio=localhost&path=/`,
+    );
 
     request.flush({});
 
@@ -213,19 +223,21 @@ describe('TenantService', () => {
           provide: REQUEST,
           useValue: new Request('https://internal.example/render', {
             headers: {
-              host: 'broken.example.com'
-            }
-          })
+              host: 'broken.example.com',
+            },
+          }),
         },
-        { provide: RESPONSE_INIT, useValue: responseInit }
-      ]
+        { provide: RESPONSE_INIT, useValue: responseInit },
+      ],
     });
 
     const service = TestBed.inject(TenantService);
     const httpController = TestBed.inject(HttpTestingController);
 
     const bootstrapPromise = service.bootstrap();
-    const request = httpController.expectOne(`${environment.url}tenants/bootstrap/broken.example.com`);
+    const request = httpController.expectOne(
+      `${environment.url}tenants/bootstrap?dominio=broken.example.com&path=/render`,
+    );
 
     request.flush({ message: 'Boom' }, { status: 500, statusText: 'Server Error' });
 
@@ -235,4 +247,39 @@ describe('TenantService', () => {
 
     httpController.verify();
   });
+
+  it('rejects and cancels a tenant bootstrap request that exceeds the configured timeout', async () => {
+    vi.useFakeTimers();
+
+    try {
+      TestBed.configureTestingModule({
+        providers: [
+          provideHttpClient(),
+          provideHttpClientTesting(),
+          TenantService,
+          { provide: BOOTSTRAP_REQUEST_TIMEOUT_MS, useValue: 25 },
+        ],
+      });
+
+      const service = TestBed.inject(TenantService);
+      const httpController = TestBed.inject(HttpTestingController);
+
+      const bootstrapPromise = service.bootstrap();
+      const rejection = expect(bootstrapPromise).rejects.toBeInstanceOf(TimeoutError);
+      const request = httpController.expectOne(
+        `${environment.url}tenants/bootstrap?dominio=localhost&path=/`,
+      );
+
+      await vi.advanceTimersByTimeAsync(25);
+      await rejection;
+
+      expect(request.cancelled).toBe(true);
+      expect(service.status()).toBe('idle');
+      expect(service.tenant()).toBeNull();
+
+      httpController.verify();
+    } finally {
+      vi.useRealTimers();
+    }
+  });
 });

src/app/core/services/tenant.service.ts

@@ -7,22 +7,23 @@ import {
   REQUEST,
   RESPONSE_INIT,
   signal,
-  TransferState
+  TransferState,
 } from '@angular/core';
 import { IS_DISCOVERING_ROUTES } from '@angular/ssr';
-import { firstValueFrom } from 'rxjs';
+import { firstValueFrom, timeout } from 'rxjs';
 
 import { environment } from '../../../environments/environment';
 import { BaseApiService } from './base-api.service';
+import { BOOTSTRAP_REQUEST_TIMEOUT_MS } from './bootstrap-request-timeout';
 import { Tenant, TenantBootstrapResponse } from './tenant.interface';
 import {
   TENANT_SSR_STATE_KEY,
   TenantBootstrapStatus,
-  TenantSsrState
+  TenantSsrState,
 } from './tenant-ssr-cache.store';
 
 @Injectable({
-  providedIn: 'root'
+  providedIn: 'root',
 })
 export class TenantService extends BaseApiService {
   private readonly platformId = inject(PLATFORM_ID);
@@ -30,6 +31,7 @@ export class TenantService extends BaseApiService {
   private readonly responseInit = inject(RESPONSE_INIT, { optional: true });
   private readonly transferState = inject(TransferState);
   private readonly isDiscoveringRoutes = inject(IS_DISCOVERING_ROUTES, { optional: true }) ?? false;
+  private readonly bootstrapRequestTimeoutMs = inject(BOOTSTRAP_REQUEST_TIMEOUT_MS);
   private readonly tenantState = signal<Tenant | null>(null);
   private readonly statusState = signal<TenantBootstrapStatus>('idle');
 
@@ -48,7 +50,6 @@ export class TenantService extends BaseApiService {
     return `${environment.url}tenants/${tenant.codigo}`;
   }
 
-
   async bootstrap(): Promise<void> {
     if (this.statusState() !== 'idle') {
       return;
@@ -69,13 +70,18 @@ export class TenantService extends BaseApiService {
       return;
     }
 
-    const domain = this.resolveDomain();
+    const { domain, path } = this.resolveRequestContext();
 
     try {
       const response = await firstValueFrom(
-        this.http.get<TenantBootstrapResponse>(
-          `${environment.url}tenants/bootstrap/${domain}`
-        )
+        this.http
+          .get<TenantBootstrapResponse>(`${environment.url}tenants/bootstrap`, {
+            params: {
+              dominio: domain,
+              path,
+            },
+          })
+          .pipe(timeout(this.bootstrapRequestTimeoutMs)),
       );
 
       if (!response?.data) {
@@ -85,7 +91,7 @@ export class TenantService extends BaseApiService {
       this.setReady(response.data);
       this.persistSsrState({
         status: 'ready',
-        tenant: response.data
+        tenant: response.data,
       });
     } catch (error) {
       if (this.isNotFoundError(error)) {
@@ -103,7 +109,7 @@ export class TenantService extends BaseApiService {
     }
   }
 
-  private resolveDomain(): string {
+  private resolveRequestContext(): { domain: string; path: string } {
     if (isPlatformBrowser(this.platformId)) {
       const domain = window.location.hostname;
 
@@ -111,7 +117,10 @@ export class TenantService extends BaseApiService {
         throw new Error('Tenant bootstrap could not resolve the current domain.');
       }
 
-      return this.normalizeHost(domain);
+      return {
+        domain: this.normalizeHost(domain),
+        path: this.normalizePath(window.location.pathname),
+      };
     }
 
     const requestHost =
@@ -123,7 +132,14 @@ export class TenantService extends BaseApiService {
       throw new Error('Tenant bootstrap could not resolve the current domain.');
     }
 
-    return this.normalizeHost(requestHost);
+    const forwardedPath =
+      this.request?.headers.get('x-forwarded-uri') ?? this.request?.headers.get('x-original-uri');
+    const requestPath = forwardedPath ?? (this.request ? new URL(this.request.url).pathname : '/');
+
+    return {
+      domain: this.normalizeHost(requestHost),
+      path: this.normalizePath(requestPath),
+    };
   }
 
   private normalizeHost(host: string): string {
@@ -145,6 +161,16 @@ export class TenantService extends BaseApiService {
     return normalizedHost.replace(/:\d+$/, '');
   }
 
+  private normalizePath(path: string): string {
+    const pathname = path.split(/[?#]/, 1)[0]?.trim() ?? '';
+
+    if (!pathname || pathname === '/') {
+      return '/';
+    }
+
+    return `/${pathname.replace(/^\/+|\/+$/g, '')}`;
+  }
+
   private applyState(state: TenantSsrState): void {
     if (state.status === 'ready') {
       this.setReady(state.tenant);

src/app/core/services/validity-time.interface.ts

@@ -1,17 +0,0 @@
-export interface TimeWindowValidityTime {
-  id: number;
-  type: 'time_window';
-  is_valid: boolean;
-  start_time?: string;
-  end_time?: string;
-}
-
-export interface FixedWindowValidityTime {
-  id: number;
-  type: 'fixed_window';
-  is_valid: boolean;
-  fixed_starts_at?: string;
-  fixed_expires_at?: string;
-}
-
-export type ValidityTime = TimeWindowValidityTime | FixedWindowValidityTime;

src/app/features/componentes-test/pages/reutilizables-test-page/reutilizables-test-page.component.html

@@ -754,6 +754,29 @@
     </div>
   </section>
 
+  <section
+    class="component-demo component-demo--ticket-selector card shadow-sm mt-4"
+    data-testid="ticket-selector-demo"
+  >
+    <div class="card-body">
+      <span class="eyebrow">Reusable Component</span>
+      <h2 class="mb-2">Selector de entradas (Ticket Selector Layout)</h2>
+      <p class="text-muted mb-4">
+        Demo de selección encadenada por tipo, sector, fila y asiento. Las combinaciones sin stock
+        no aparecen como disponibles.
+      </p>
+
+      <app-product-ticket-selector
+        [productId]="1"
+        [title]="testTicketSelectorProduct.title"
+        [description]="testTicketSelectorProduct.description"
+        [price]="testTicketSelectorProduct.price"
+        [imageUrl]="testTicketSelectorProduct.imageUrl"
+        (buy)="onTicketBuy($event)"
+      />
+    </div>
+  </section>
+
   <app-store-section title="PRODUCTOS" class="component-demo store-section-demo mt-5">
     <div class="row">
       @for (product of testProducts; track product.title) {

src/app/features/componentes-test/pages/reutilizables-test-page/reutilizables-test-page.component.scss

@@ -15,6 +15,10 @@
   border: 0;
 }
 
+.component-demo--ticket-selector {
+  width: min(100%, 76rem);
+}
+
 .store-section-demo {
   width: min(100%, 64rem);
 }

src/app/features/componentes-test/pages/reutilizables-test-page/reutilizables-test-page.component.ts

@@ -7,6 +7,7 @@ import { InputComponent } from '../../../../shared/components/input/input.compon
 import { PaginatorComponent } from '../../../../shared/components/paginator/paginator.component';
 import { ProductColumnWithImageComponent } from '../../../../shared/components/product-column-with-image/product-column-with-image.component';
 import { ProductRowCardComponent } from '../../../../shared/components/product-row-card/product-row-card.component';
+import { ProductTicketSelectorComponent } from '../../../../shared/components/product-ticket-selector/product-ticket-selector.component';
 import { ProductVerticalWithCartCardComponent } from '../../../../shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component';
 import { StoreSectionComponent } from '../../../../shared/components/store-section/store-section.component';
 import { ModalService } from '../../../../core/services/modal.service';
@@ -32,6 +33,11 @@ interface CarouselProductMock {
   imageUrl: string;
 }
 
+const ticketOption = (value: string, label: string = value): { value: string; label: string } => ({
+  value,
+  label,
+});
+
 @Component({
   selector: 'app-reutilizables-test-page',
   imports: [
@@ -41,6 +47,7 @@ interface CarouselProductMock {
     PaginatorComponent,
     ProductColumnWithImageComponent,
     ProductRowCardComponent,
+    ProductTicketSelectorComponent,
     ProductVerticalWithCartCardComponent,
     StoreSectionComponent,
     IconButtonComponent,
@@ -204,9 +211,9 @@ export class ReutilizablesTestPageComponent {
       'Acceso total al predio. No incluye acceso a estacionamiento. Niños menores de 5 años ingresan gratis.',
     price: 10000,
     variants: [
-      { value: '10-oct-manana', values: { fecha: '10 de Octubre', turno: 'Mañana' } },
-      { value: '10-oct-tarde', values: { fecha: '10 de Octubre', turno: 'Tarde' } },
-      { value: '11-oct-tarde', values: { fecha: '11 de Octubre', turno: 'Tarde' } },
+      { id: '10-oct-manana', values: { fecha: '10 de Octubre', turno: 'Mañana' } },
+      { id: '10-oct-tarde', values: { fecha: '10 de Octubre', turno: 'Tarde' } },
+      { id: '11-oct-tarde', values: { fecha: '11 de Octubre', turno: 'Tarde' } },
     ],
   };
 
@@ -216,6 +223,125 @@ export class ReutilizablesTestPageComponent {
     price: 11500,
   };
 
+  protected readonly testTicketSelectorProduct = {
+    title: 'ENTRADAS DESFILE PURA TENDENCIA',
+    description: '',
+    price: 40000,
+    imageUrl: '/images/ticket-selector-entrada-pasarela.png',
+    variants: [
+      {
+        id: 1001,
+        precio: 250000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
+          sector: ticketOption('a', 'Sector A'),
+          fila: ticketOption('1', 'Fila 1'),
+          asiento: ticketOption('1', 'Asiento 1'),
+        },
+      },
+      {
+        id: 1002,
+        precio: 250000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
+          sector: ticketOption('a', 'Sector A'),
+          fila: ticketOption('1', 'Fila 1'),
+          asiento: ticketOption('2', 'Asiento 2'),
+        },
+      },
+      {
+        id: 1003,
+        precio: 250000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
+          sector: ticketOption('c', 'Sector C'),
+          fila: ticketOption('1', 'Fila 1'),
+          asiento: ticketOption('1', 'Asiento 1'),
+        },
+      },
+      {
+        id: 1004,
+        precio: 200000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
+          sector: ticketOption('a', 'Sector A'),
+          fila: ticketOption('2', 'Fila 2'),
+          asiento: ticketOption('1', 'Asiento 1'),
+        },
+      },
+      {
+        id: 1005,
+        precio: 200000,
+        stock_tecnico: 0,
+        values: {
+          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
+          sector: ticketOption('a', 'Sector A'),
+          fila: ticketOption('2', 'Fila 2'),
+          asiento: ticketOption('2', 'Asiento 2'),
+        },
+      },
+      {
+        id: 1006,
+        precio: 100000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('general', 'General'),
+          sector: ticketOption('b', 'Sector B'),
+          fila: ticketOption('3', 'Fila 3'),
+          asiento: ticketOption('1', 'Asiento 1'),
+        },
+      },
+      {
+        id: 1007,
+        precio: 100000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('general', 'General'),
+          sector: ticketOption('b', 'Sector B'),
+          fila: ticketOption('3', 'Fila 3'),
+          asiento: ticketOption('2', 'Asiento 2'),
+        },
+      },
+      {
+        id: 1008,
+        precio: 90000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('general', 'General'),
+          sector: ticketOption('d', 'Sector D'),
+          fila: ticketOption('3', 'Fila 3'),
+          asiento: ticketOption('1', 'Asiento 1'),
+        },
+      },
+      {
+        id: 1009,
+        precio: 65000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('general', 'General'),
+          sector: ticketOption('d', 'Sector D'),
+          fila: ticketOption('4', 'Fila 4'),
+          asiento: ticketOption('1', 'Asiento 1'),
+        },
+      },
+      {
+        id: 1010,
+        precio: 40000,
+        stock_tecnico: 1,
+        values: {
+          tipo: ticketOption('general', 'General'),
+          sector: ticketOption('d', 'Sector D'),
+          fila: ticketOption('5', 'Fila 5'),
+          asiento: ticketOption('1', 'Asiento 1'),
+        },
+      },
+    ],
+  };
+
   protected readonly cartMockItems: CartItemMock[] = [
     {
       imageUrl: null,
@@ -272,6 +398,12 @@ export class ReutilizablesTestPageComponent {
     alert(`Comprando: ${productTitle}`);
   }
 
+  protected onTicketBuy(variantIds: number[]): void {
+    this.toastService.success(
+      `Compra iniciada para ${variantIds.length} entrada/s: ${variantIds.join(', ')}.`,
+    );
+  }
+
   protected onFileChange(file: File | null): void {
     this.fileName = file?.name ?? '';
   }

src/app/features/store/pages/account-page/pages/tickets-page/ticket.service.ts

@@ -3,16 +3,6 @@ import { firstValueFrom } from 'rxjs';
 
 import { BaseApiService } from '../../../../../../core/services/base-api.service';
 import { TenantService } from '../../../../../../core/services/tenant.service';
-import { ValidityTime } from '../../../../../../core/services/validity-time.interface';
-
-export interface TicketValidityGroupResponse {
-  id: number;
-  validity_times: ValidityTime[];
-  starts_at: string | null;
-  expires_at: string | null;
-  is_valid: boolean;
-  is_expired: boolean;
-}
 
 export interface TicketResponse {
   id: number;
@@ -22,8 +12,6 @@ export interface TicketResponse {
   description: string | null;
   source_catalog_item_id: number | null;
   source_variant_id: number | null;
-  validity_times?: ValidityTime[];
-  validity_groups?: TicketValidityGroupResponse[];
   starts_at: string | null;
   expires_at: string | null;
   used_at: string | null;

src/app/features/store/pages/category-items-page/category-items-page.component.ts

@@ -113,7 +113,9 @@ export class CategoryItemsPageComponent {
 
     if (!this.injector.get(AuthService).user()) {
       await this.router.navigate(['/login'], {
-        queryParams: { returnUrl: `/producto/${event.product.id}` },
+        queryParams: {
+          returnUrl: event.reservedInCart ? this.router.url : `/producto/${event.product.id}`,
+        },
       });
       return;
     }
@@ -126,13 +128,25 @@ export class CategoryItemsPageComponent {
 
     this.creatingDirectPurchase.set(true);
     try {
-      const purchase = await this.injector.get(CheckoutService).startCheckout(tenant.codigo, {
-        direct_item: {
-          catalog_item_id: event.product.id,
-          variant_id: event.variant ?? null,
-          cantidad: event.quantity,
-        },
-      });
+      const reservedCartId = event.reservedInCart ? (this.cartService.cart()?.id ?? null) : null;
+      if (event.reservedInCart && reservedCartId === null) {
+        this.toastService.danger('No se pudo identificar el carrito reservado.');
+        return;
+      }
+      const purchase = await this.injector.get(CheckoutService).startCheckout(
+        tenant.codigo,
+        reservedCartId !== null
+          ? { cart_id: reservedCartId }
+          : {
+              direct_items: [
+                {
+                  catalog_item_id: event.product.id,
+                  variant_id: event.variant ?? null,
+                  cantidad: event.quantity,
+                },
+              ],
+            },
+      );
       await this.router.navigate(['/checkout'], { queryParams: { purchase: purchase.id } });
     } catch (error) {
       console.error('Failed to create direct purchase:', error);

src/app/features/store/pages/product-detail-page/product-detail-page.component.spec.ts

@@ -480,11 +480,13 @@ describe('ProductDetailPageComponent', () => {
     await Promise.resolve();
 
     expect(checkoutServiceStub.startCheckout).toHaveBeenCalledWith('tenant-test', {
-      direct_item: {
-        catalog_item_id: 1,
-        variant_id: null,
-        cantidad: 1,
-      },
+      direct_items: [
+        {
+          catalog_item_id: 1,
+          variant_id: null,
+          cantidad: 1,
+        },
+      ],
     });
     expect(routerStub.navigate).toHaveBeenCalledWith(['/checkout'], {
       queryParams: { purchase: 44 },

src/app/features/store/pages/product-detail-page/product-detail-page.component.ts

@@ -319,11 +319,13 @@ export class ProductDetailPageComponent implements OnInit, OnDestroy {
     this.creatingDirectPurchase.set(true);
     try {
       const purchase = await this.checkoutService.startCheckout(tenant.codigo, {
-        direct_item: {
-          catalog_item_id: currentProduct.id,
-          variant_id: variant?.id ?? null,
-          cantidad: this.quantity(),
-        },
+        direct_items: [
+          {
+            catalog_item_id: currentProduct.id,
+            variant_id: variant?.id ?? null,
+            cantidad: this.quantity(),
+          },
+        ],
       });
 
       await this.router.navigate(['/checkout'], {

src/app/features/store/pages/search-page/search-page.component.ts

@@ -145,7 +145,9 @@ export class SearchPageComponent {
 
     if (!this.injector.get(AuthService).user()) {
       await this.router.navigate(['/login'], {
-        queryParams: { returnUrl: `/producto/${event.product.id}` },
+        queryParams: {
+          returnUrl: event.reservedInCart ? this.router.url : `/producto/${event.product.id}`,
+        },
       });
       return;
     }
@@ -158,13 +160,25 @@ export class SearchPageComponent {
 
     this.creatingDirectPurchase.set(true);
     try {
-      const purchase = await this.injector.get(CheckoutService).startCheckout(tenant.codigo, {
-        direct_item: {
-          catalog_item_id: event.product.id,
-          variant_id: event.variant ?? null,
-          cantidad: event.quantity,
-        },
-      });
+      const reservedCartId = event.reservedInCart ? (this.cartService.cart()?.id ?? null) : null;
+      if (event.reservedInCart && reservedCartId === null) {
+        this.toastService.danger('No se pudo identificar el carrito reservado.');
+        return;
+      }
+      const purchase = await this.injector.get(CheckoutService).startCheckout(
+        tenant.codigo,
+        reservedCartId !== null
+          ? { cart_id: reservedCartId }
+          : {
+              direct_items: [
+                {
+                  catalog_item_id: event.product.id,
+                  variant_id: event.variant ?? null,
+                  cantidad: event.quantity,
+                },
+              ],
+            },
+      );
       await this.router.navigate(['/checkout'], { queryParams: { purchase: purchase.id } });
     } catch (error) {
       console.error('Failed to create direct purchase:', error);

src/app/features/store/pages/store-home-page/store-home-page.component.html

@@ -30,6 +30,7 @@
         [items]="group.items"
         [loading]="isGroupLoading(group.id)"
         [loadImages]="!hasMainCarouselImages() || mainCarouselReady()"
+        [unavailableVariantIds]="unavailableVariantIds()"
         (buy)="onBuyProduct($event)"
         (addToCart)="onAddToCart($event)"
         (pageChange)="onPageChange(group.id, $event)"

src/app/features/store/pages/store-home-page/store-home-page.component.ts

@@ -18,7 +18,10 @@ import { CatalogFeaturedGroup } from '../../../../core/services/catalog/catalog.
 import { CatalogService } from '../../../../core/services/catalog/catalog.service';
 import { TenantService } from '../../../../core/services/tenant.service';
 import { ToastService } from '../../../../core/services/toast.service';
-import { CheckoutService } from '../../../../core/services/checkout.service';
+import {
+  CheckoutService,
+  isInsufficientStockResponse,
+} from '../../../../core/services/checkout.service';
 import {
   ProductListComponent,
   ProductListCartEvent,
@@ -60,6 +63,7 @@ export class StoreHomePageComponent implements OnInit, OnDestroy {
   protected readonly error = signal<string | null>(null);
   protected readonly mainCarouselReady = signal(false);
   protected readonly creatingDirectPurchase = signal(false);
+  protected readonly unavailableVariantIds = signal<ReadonlySet<number>>(new Set<number>());
   protected readonly mainCarouselImages = computed(() => this.tenant()?.extras?.carousel ?? []);
   protected readonly heroConfig = computed(() => this.tenant()?.extras?.heroConfig ?? null);
   protected readonly additionalInfo = computed(
@@ -165,7 +169,9 @@ export class StoreHomePageComponent implements OnInit, OnDestroy {
 
     if (!this.injector.get(AuthService).user()) {
       await this.router.navigate(['/login'], {
-        queryParams: { returnUrl: `/producto/${event.product.id}` },
+        queryParams: {
+          returnUrl: event.reservedInCart ? this.router.url : `/producto/${event.product.id}`,
+        },
       });
       return;
     }
@@ -178,16 +184,45 @@ export class StoreHomePageComponent implements OnInit, OnDestroy {
 
     this.creatingDirectPurchase.set(true);
     try {
-      const purchase = await this.injector.get(CheckoutService).startCheckout(tenant.codigo, {
-        direct_item: {
-          catalog_item_id: event.product.id,
-          variant_id: event.variant ?? null,
-          cantidad: event.quantity,
-        },
-      });
+      const checkoutService = this.injector.get(CheckoutService);
+      const reservedCartId = event.reservedInCart ? (this.cartService.cart()?.id ?? null) : null;
+      if (event.reservedInCart && reservedCartId === null) {
+        this.toastService.danger('No se pudo identificar el carrito reservado.');
+        return;
+      }
+      const variantIds = event.variantIds ?? [];
+      const directItems =
+        variantIds.length > 0
+          ? variantIds.map((variantId) => ({
+              catalog_item_id: event.product.id,
+              variant_id: variantId,
+              cantidad: 1,
+            }))
+          : [
+              {
+                catalog_item_id: event.product.id,
+                variant_id: event.variant ?? null,
+                cantidad: event.quantity,
+              },
+            ];
+      const purchase = await checkoutService.startCheckout(
+        tenant.codigo,
+        reservedCartId !== null ? { cart_id: reservedCartId } : { direct_items: directItems },
+      );
       await this.router.navigate(['/checkout'], { queryParams: { purchase: purchase.id } });
     } catch (error) {
       console.error('Failed to create direct purchase:', error);
+
+      if (error instanceof HttpErrorResponse && isInsufficientStockResponse(error.error)) {
+        const unavailableIds = error.error.unavailable_items
+          .map((item) => item.variant_id)
+          .filter((variantId): variantId is number => variantId !== null);
+
+        this.unavailableVariantIds.update((current) => new Set([...current, ...unavailableIds]));
+        this.toastService.danger(error.error.message);
+        return;
+      }
+
       this.toastService.danger('No se pudo iniciar la compra directa.');
     } finally {
       this.creatingDirectPurchase.set(false);

src/app/shared/components/cart/cart.component.spec.ts

@@ -449,8 +449,8 @@ describe('CartComponent', () => {
         quantity: 2,
         variantId: 20,
         variants: [
-          { value: 20, values: { servicio: 'Almuerzo' } },
-          { value: 21, values: { servicio: 'Cena' } },
+          { id: 20, values: { servicio: 'Almuerzo' } },
+          { id: 21, values: { servicio: 'Cena' } },
         ],
       },
     ]);

src/app/shared/components/hero-banner/hero-banner.component.scss

@@ -53,6 +53,14 @@
   }
 }
 
+::ng-deep .hero-title h1 {
+  margin: 0;
+  color: inherit;
+  font-size: inherit;
+  font-weight: 700;
+  line-height: inherit;
+}
+
 ::ng-deep .hero-description,
 .hero-description {
   color: #666666;

src/app/shared/components/product-list/product-list.component.html

@@ -12,7 +12,7 @@
           [title]="item.nombre"
           [description]="item.descripcion ?? ''"
           [price]="price(item)"
-          [variants]="variantsFor(item)"
+          [variants]="item.variants ?? []"
           (buy)="emitRowBuy(item, $event)"
           (addToCart)="emitRowCart(item, $event)"
         />
@@ -27,6 +27,17 @@
           (addToCart)="emitColumnCart(item, $event)"
         />
       }
+      @case ('ticket_selector') {
+        <app-product-ticket-selector
+          [productId]="item.id"
+          [title]="item.nombre"
+          [description]="item.descripcion ?? ''"
+          [price]="price(item)"
+          [imageUrl]="loadImages() ? (item.image ?? null) : null"
+          [disabled]="loading()"
+          (buy)="emitTicketBuy(item, $event)"
+        />
+      }
       @default {
         <app-product-column-with-image
           [imageUrl]="loadImages() ? (item.image ?? null) : null"
@@ -54,8 +65,11 @@
     class="product-list"
     [class.product-list--row]="effectiveLayout() === 'row'"
     [class.product-list--column]="effectiveLayout() !== 'row'"
-    [class.product-list--adaptive]="groupLayout() !== 'simple_vertical'"
+    [class.product-list--adaptive]="
+      groupLayout() !== 'simple_vertical' && groupLayout() !== 'single'
+    "
     [class.product-list--simple-vertical]="groupLayout() === 'simple_vertical'"
+    [class.product-list--single]="groupLayout() === 'single'"
   >
     @for (item of itemData(); track item.id; let index = $index) {
       <ng-container

src/app/shared/components/product-list/product-list.component.scss

@@ -27,6 +27,10 @@
     grid-template-columns: minmax(0, 1fr);
   }
 
+  &--single {
+    grid-template-columns: minmax(0, 1fr);
+  }
+
   &__item {
     width: 100%;
     min-width: 0;

src/app/shared/components/product-list/product-list.component.spec.ts

@@ -1,18 +1,24 @@
 import { TestBed, getTestBed } from '@angular/core/testing';
 import { BrowserTestingModule, platformBrowserTesting } from '@angular/platform-browser/testing';
 import { afterEach, beforeAll, describe, expect, it, vi } from 'vitest';
+import { of } from 'rxjs';
 
 import { ApiPaginatedResponse } from '../../../core/services/api-paginated-response.interface';
+import { CartService } from '../../../core/services/cart/cart.service';
+import { CatalogService } from '../../../core/services/catalog/catalog.service';
 import {
   CatalogFeaturedItems,
   CatalogGroupLayout,
 } from '../../../core/services/catalog/catalog.interface';
 import { ProductListComponent, ProductListItem, ProductListLayout } from './product-list.component';
+import { ProductTicketSelectorComponent } from '../product-ticket-selector/product-ticket-selector.component';
+import { By } from '@angular/platform-browser';
 
 describe('ProductListComponent', () => {
   const items: ProductListItem[] = [
     {
       id: 1,
+      type: 'product',
       nombre: 'Producto uno',
       descripcion: 'Primera descripcion',
       precio: '100.00',
@@ -21,6 +27,7 @@ describe('ProductListComponent', () => {
     },
     {
       id: 2,
+      type: 'product',
       nombre: 'Producto dos',
       descripcion: 'Segunda descripcion',
       precio: 200,
@@ -47,7 +54,29 @@ describe('ProductListComponent', () => {
     productItems: CatalogFeaturedItems = paginatedItems(),
     groupLayout: CatalogGroupLayout = 'paginated',
   ) {
-    await TestBed.configureTestingModule({ imports: [ProductListComponent] }).compileComponents();
+    const getVariantOptions = vi.fn().mockReturnValue(
+      of({
+        selectors: ['tipo', 'sector', 'fila', 'asiento'].map((key, index) => ({
+          key,
+          label: key,
+          options: [{ value: String(index + 1), label: String(index + 1) }],
+          enabled: index === 0,
+        })),
+        selected_values: {},
+        resolved_variant: null,
+        valid: true,
+        available_variant_count: 2,
+        matching_variant_count: 2,
+        price_range: { minimum: '10000.00', maximum: '12000.00' },
+      }),
+    );
+    await TestBed.configureTestingModule({
+      imports: [ProductListComponent],
+      providers: [
+        { provide: CatalogService, useValue: { getVariantOptions } },
+        { provide: CartService, useValue: {} },
+      ],
+    }).compileComponents();
     const fixture = TestBed.createComponent(ProductListComponent);
     fixture.componentRef.setInput('layout', layout);
     fixture.componentRef.setInput('groupLayout', groupLayout);
@@ -216,6 +245,101 @@ describe('ProductListComponent', () => {
     expect(element.querySelectorAll('app-product-column-with-image')).toHaveLength(2);
   });
 
+  it('renders a single ticket selector and emits its selected variant', async () => {
+    const ticket: ProductListItem = {
+      ...items[0],
+      variants: [
+        {
+          id: 401,
+          precio: '10000.00',
+          stock_tecnico: 1,
+          values: {
+            tipo: { value: 'vip', label: 'VIP' },
+            sector: { value: 'a', label: 'Sector A' },
+            fila: { value: '3', label: 'Fila 3' },
+            asiento: { value: '12', label: 'Asiento 12' },
+          },
+        },
+        {
+          id: 402,
+          precio: '12000.00',
+          stock_tecnico: 1,
+          values: {
+            tipo: { value: 'vip', label: 'VIP' },
+            sector: { value: 'a', label: 'Sector A' },
+            fila: { value: '3', label: 'Fila 3' },
+            asiento: { value: '13', label: 'Asiento 13' },
+          },
+        },
+      ],
+    };
+    const fixture = await render('ticket_selector', [ticket], 'single');
+    const buySpy = vi.fn();
+    fixture.componentInstance.buy.subscribe(buySpy);
+    await fixture.whenStable();
+    fixture.detectChanges();
+    const element = fixture.nativeElement as HTMLElement;
+
+    expect(element.querySelector('.product-list--single')).not.toBeNull();
+    expect(element.querySelectorAll('app-product-ticket-selector')).toHaveLength(1);
+    expect(element.querySelectorAll('.variant-selector__select')).toHaveLength(4);
+    expect(
+      (element.querySelector('.ticket-selector__actions .btn-primary') as HTMLButtonElement)
+        .disabled,
+    ).toBe(true);
+
+    const ticketSelector = fixture.debugElement.query(By.directive(ProductTicketSelectorComponent))
+      .componentInstance as ProductTicketSelectorComponent;
+    ticketSelector['patchRow'](1, {
+      variantId: 401,
+      reservedVariantId: 401,
+      cartItemId: 1,
+      status: 'reserved',
+    });
+    fixture.detectChanges();
+
+    (element.querySelector('.ticket-selector__add-row-button') as HTMLButtonElement).click();
+    fixture.detectChanges();
+
+    expect(element.querySelectorAll('.ticket-selector__row')).toHaveLength(2);
+    expect(element.querySelectorAll('.variant-selector__select')).toHaveLength(8);
+
+    ticketSelector['patchRow'](2, {
+      variantId: 402,
+      reservedVariantId: 402,
+      cartItemId: 2,
+      status: 'reserved',
+    });
+    fixture.detectChanges();
+
+    (element.querySelector('.ticket-selector__actions .btn-primary') as HTMLButtonElement).click();
+
+    expect(buySpy).toHaveBeenCalledWith({
+      product: ticket,
+      quantity: 2,
+      variant: 401,
+      variantIds: [401, 402],
+      directPurchase: true,
+      reservedInCart: true,
+    });
+  });
+
+  it('loads ticket selector availability without requiring catalog variants', async () => {
+    const ticket: ProductListItem = {
+      ...items[0],
+      variants: undefined,
+    };
+    const fixture = await render('ticket_selector', [ticket], 'single');
+    await fixture.whenStable();
+    fixture.detectChanges();
+
+    const selector = fixture.debugElement.query(By.directive(ProductTicketSelectorComponent))
+      .componentInstance as ProductTicketSelectorComponent;
+
+    expect(selector['availableVariantCount']()).toBe(2);
+    expect(fixture.nativeElement.querySelectorAll('.variant-selector__select')).toHaveLength(4);
+  });
+
   it('renders carousel groups with the reusable carousel', async () => {
     const fixture = await render('column_with_image', items, 'carousel');
     const element = fixture.nativeElement as HTMLElement;

src/app/shared/components/product-list/product-list.component.ts

@@ -21,11 +21,9 @@ import {
 import { CarouselComponent } from '../carousel/carousel.component';
 import { PaginatorComponent } from '../paginator/paginator.component';
 import { ProductColumnWithImageComponent } from '../product-column-with-image/product-column-with-image.component';
-import {
-  ProductRowCardComponent,
-  Variant as RowVariant,
-} from '../product-row-card/product-row-card.component';
+import { ProductRowCardComponent } from '../product-row-card/product-row-card.component';
 import { ProductVerticalWithCartCardComponent } from '../product-vertical-with-cart-card/product-vertical-with-cart-card.component';
+import { ProductTicketSelectorComponent } from '../product-ticket-selector/product-ticket-selector.component';
 
 export type ProductListLayout = CatalogProductLayout;
 export type ProductListVariant = CatalogFeaturedItemVariant;
@@ -41,7 +39,9 @@ export interface ProductListBuyEvent {
   product: ProductListItem;
   quantity: number;
   variant?: number | null;
+  variantIds?: number[];
   directPurchase: boolean;
+  reservedInCart?: boolean;
 }
 
 @Component({
@@ -53,6 +53,7 @@ export interface ProductListBuyEvent {
     PaginatorComponent,
     ProductRowCardComponent,
     ProductVerticalWithCartCardComponent,
+    ProductTicketSelectorComponent,
   ],
   templateUrl: './product-list.component.html',
   styleUrl: './product-list.component.scss',
@@ -67,6 +68,7 @@ export class ProductListComponent {
   readonly items = input.required<CatalogFeaturedItems>();
   readonly loading = input(false);
   readonly loadImages = input(true);
+  readonly unavailableVariantIds = input<ReadonlySet<number>>(new Set<number>());
 
   readonly buy = output<ProductListBuyEvent>();
   readonly addToCart = output<ProductListCartEvent>();
@@ -105,15 +107,6 @@ export class ProductListComponent {
     return Number.isFinite(price) ? price : 0;
   }
 
-  protected variantsFor(item: ProductListItem): RowVariant[] {
-    return (item.variants ?? []).map((variant) => ({
-      value: variant.id,
-      descripcion: variant.descripcion,
-      precio: variant.precio,
-      values: variant.values,
-    }));
-  }
-
   protected emitRowCart(
     product: ProductListItem,
     event: { quantity: number; variant: unknown },
@@ -159,4 +152,15 @@ export class ProductListComponent {
   protected emitProductDetailBuy(product: ProductListItem): void {
     this.buy.emit({ product, quantity: 1, variant: null, directPurchase: false });
   }
+
+  protected emitTicketBuy(product: ProductListItem, variantIds: number[]): void {
+    this.buy.emit({
+      product,
+      quantity: variantIds.length,
+      variant: variantIds[0] ?? null,
+      variantIds,
+      directPurchase: true,
+      reservedInCart: true,
+    });
+  }
 }

src/app/shared/components/product-row-card/product-row-card.component.ts

@@ -10,6 +10,7 @@ export interface Variant extends VariantSelectorVariant {
   label?: string;
   descripcion?: string | null;
   precio?: string | number;
+  stock_tecnico?: number | null;
 }
 
 @Component({
@@ -36,7 +37,7 @@ export class ProductRowCardComponent {
   readonly addToCart = output<{ quantity: number; variant: unknown }>();
 
   protected readonly selectedVariantData = computed(() =>
-    this.variants().find((variant) => Object.is(variant.value, this.selectedVariant())),
+    this.variants().find((variant) => Object.is(variant.id, this.selectedVariant())),
   );
   protected readonly effectiveDescription = computed(
     () => this.selectedVariantData()?.descripcion ?? this.description(),

src/app/shared/components/product-ticket-selector/product-ticket-selector.component.html

@@ -0,0 +1,101 @@
+<article class="ticket-selector">
+  <header class="ticket-selector__header">
+    <div>
+      <h3 class="ticket-selector__title">{{ title() }}</h3>
+      @if (description()) {
+        <p class="ticket-selector__description">{{ description() }}</p>
+      }
+    </div>
+    <span class="ticket-selector__price text-primary">
+      @if (priceRange().hasRange) {
+        de <strong>{{ priceRange().minimum }}</strong> a
+        <strong>{{ priceRange().maximum }}</strong>
+      } @else {
+        <strong>{{ priceRange().minimum }}</strong>
+      }
+    </span>
+  </header>
+
+  <div class="ticket-selector__selection">
+    <div class="ticket-selector__label-row">
+      <span class="ticket-selector__label">Seleccioná Entrada/s:</span>
+      @if (validationStatus(); as status) {
+        <span
+          class="ticket-selector__validation ticket-selector__validation--{{ status }}"
+          role="status"
+          aria-live="polite"
+        >
+          @switch (status) {
+            @case ('validating') {
+              <span class="ticket-selector__validation-spinner" aria-hidden="true"></span>
+              Validando
+            }
+            @case ('validated') {
+              <i class="fa-solid fa-check" aria-hidden="true"></i>
+              Validado
+            }
+            @case ('error') {
+              <i class="fa-solid fa-xmark" aria-hidden="true"></i>
+              Error
+            }
+          }
+        </span>
+      }
+    </div>
+
+    <div class="ticket-selector__rows">
+      @for (row of rows(); track row.id) {
+        <div class="ticket-selector__row">
+          <div class="ticket-selector__fields variant-selector">
+            @for (selector of row.selectors; track selector.key) {
+              <select
+                class="form-select variant-selector__select"
+                [attr.aria-label]="selector.label"
+                [disabled]="rowDisabled(row) || !selector.enabled"
+                [value]="selectedOptionKey(row, selector.key)"
+                (change)="onSelectionKeyChange(row.id, selector, $any($event.target).value)"
+              >
+                <option value="" disabled>Seleccioná {{ selector.label }}</option>
+                @for (option of selector.options; track $index) {
+                  <option [value]="optionKey(option)">{{ optionLabel(option) }}</option>
+                }
+              </select>
+            }
+          </div>
+          <app-icon-button
+            variant="trash"
+            ariaLabel="Eliminar entrada"
+            [disabled]="rowDisabled(row)"
+            (clicked)="removeRow(row.id)"
+          />
+        </div>
+      }
+    </div>
+
+    <app-button
+      hostClass="ticket-selector__add-row"
+      buttonClass="ticket-selector__add-row-button"
+      variant="secondary"
+      [disabled]="disabled() || !canAddRow()"
+      (click)="addRow()"
+    >
+      + Agregar entrada
+    </app-button>
+
+    @if (availableVariantCount() === 0) {
+      <p class="ticket-selector__empty">No hay entradas disponibles.</p>
+    }
+
+    <div class="ticket-selector__actions row g-0 justify-content-end">
+      <div class="col-12 col-md-3">
+        <app-button variant="primary" [disabled]="disabled() || !hasSelection()" (click)="onBuy()">
+          Comprar
+        </app-button>
+      </div>
+    </div>
+  </div>
+
+  @if (imageUrl(); as image) {
+    <img class="ticket-selector__map" [src]="image" [alt]="'Plano de ubicaciones de ' + title()" />
+  }
+</article>

src/app/shared/components/product-ticket-selector/product-ticket-selector.component.scss

@@ -0,0 +1,179 @@
+:host {
+  display: block;
+  width: 100%;
+}
+
+.ticket-selector {
+  width: 100%;
+
+  &__header {
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+    gap: 1rem;
+    padding-bottom: 1.25rem;
+    border-bottom: 1px solid var(--border-color);
+  }
+
+  &__title {
+    margin: 0;
+    color: #666;
+    font-size: 22px;
+    font-weight: 700;
+    letter-spacing: 0.4px;
+    text-transform: uppercase;
+  }
+
+  &__description {
+    margin: 0.35rem 0 0;
+    color: #777;
+    font-size: 13px;
+  }
+
+  &__price {
+    flex: 0 0 auto;
+    font-size: 25px;
+    font-weight: 400;
+
+    strong {
+      font-weight: 700;
+    }
+  }
+
+  &__selection {
+    padding-top: 1rem;
+  }
+
+  &__label-row {
+    display: flex;
+    align-items: center;
+    gap: 0.65rem;
+    min-height: 1.5rem;
+    margin-bottom: 0.5rem;
+  }
+
+  &__label {
+    color: #555;
+    font-size: 15px;
+    font-weight: 700;
+  }
+
+  &__validation {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.3rem;
+    font-size: 13px;
+    font-weight: 600;
+
+    &--validating {
+      color: #777;
+    }
+
+    &--validated {
+      color: var(--success-color, #198754);
+    }
+
+    &--error {
+      color: var(--danger-color, #dc3545);
+    }
+  }
+
+  &__validation-spinner {
+    width: 0.8rem;
+    height: 0.8rem;
+    border: 2px solid currentcolor;
+    border-right-color: transparent;
+    border-radius: 50%;
+    animation: ticket-selector-spin 0.7s linear infinite;
+  }
+
+  &__rows {
+    display: grid;
+    gap: 0.5rem;
+  }
+
+  &__row {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto;
+    align-items: end;
+    gap: 0.5rem;
+  }
+
+  &__fields {
+    min-width: 0;
+    display: grid;
+    grid-template-columns: repeat(4, minmax(120px, 1fr));
+    gap: 0.5rem;
+  }
+
+  .variant-selector__select {
+    width: 100%;
+    min-width: 0;
+    height: 38px;
+    color: #666;
+    border-color: var(--border-color);
+    font-size: 14px;
+    cursor: pointer;
+
+    &:focus {
+      border-color: var(--tenant-primary);
+      box-shadow: 0 0 0 0.25rem rgba(0, 153, 51, 0.25);
+    }
+  }
+
+  &__add-row {
+    display: block;
+    width: 100%;
+    margin-top: 0.5rem;
+
+    ::ng-deep .ticket-selector__add-row-button {
+      width: 100%;
+    }
+  }
+
+  &__empty {
+    margin: 0;
+    color: #777;
+    font-size: 13px;
+  }
+
+  &__actions {
+    margin-top: 0.75rem;
+  }
+
+  &__map {
+    display: block;
+    width: min(100%, 720px);
+    max-height: 680px;
+    margin: 3rem auto 0;
+    object-fit: contain;
+  }
+}
+
+@keyframes ticket-selector-spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .ticket-selector__validation-spinner {
+    animation-duration: 1.4s;
+  }
+}
+
+@media (max-width: 767.98px) {
+  .ticket-selector {
+    &__header {
+      flex-direction: column;
+    }
+
+    &__fields {
+      grid-template-columns: 1fr;
+    }
+
+    &__map {
+      margin-top: 2rem;
+    }
+  }
+}

src/app/shared/components/product-ticket-selector/product-ticket-selector.component.spec.ts

@@ -0,0 +1,433 @@
+import '@angular/compiler';
+import { HttpErrorResponse } from '@angular/common/http';
+import { signal } from '@angular/core';
+import { TestBed, getTestBed } from '@angular/core/testing';
+import { BrowserTestingModule, platformBrowserTesting } from '@angular/platform-browser/testing';
+import { of, throwError } from 'rxjs';
+import { afterEach, beforeAll, describe, expect, it, vi } from 'vitest';
+
+import { CartService } from '../../../core/services/cart/cart.service';
+import { CatalogService } from '../../../core/services/catalog/catalog.service';
+import { ModalService } from '../../../core/services/modal.service';
+import { ToastService } from '../../../core/services/toast.service';
+import { ProductTicketSelectorComponent } from './product-ticket-selector.component';
+
+describe('ProductTicketSelectorComponent', () => {
+  beforeAll(() => {
+    try {
+      getTestBed().initTestEnvironment(BrowserTestingModule, platformBrowserTesting());
+    } catch {
+      // Test environment may already be initialized by another setup entrypoint.
+    }
+  });
+
+  afterEach(() => TestBed.resetTestingModule());
+
+  it('checks partial selections and reserves the resolved variant in the cart', async () => {
+    const openConfirmDelete = vi.fn().mockReturnValue(of(true));
+    const removeItem = vi.fn().mockReturnValue(
+      of({
+        data: {
+          id: 10,
+          tenant_codigo: 'demo',
+          status: 'active',
+          subtotal: '0.00',
+          items: [],
+        },
+      }),
+    );
+    const resolvedVariant = {
+      id: 401,
+      precio: '10000.00',
+      stock_tecnico: 1,
+      values: { sector: { value: 'a', label: 'Sector A' }, seat: '1' },
+    };
+    const summary = {
+      valid: true,
+      available_variant_count: 1,
+      matching_variant_count: 1,
+      price_range: { minimum: '10000.00', maximum: '10000.00' },
+    };
+    const catalogService = {
+      withoutLoading: vi.fn(),
+      getVariantOptions: vi
+        .fn()
+        .mockReturnValueOnce(
+          of({
+            ...summary,
+            selectors: [
+              {
+                key: 'sector',
+                label: 'Sector',
+                options: [{ value: 'a', label: 'Sector A' }],
+                enabled: true,
+              },
+              { key: 'seat', label: 'Seat', options: ['1'], enabled: false },
+            ],
+            selected_values: {},
+            resolved_variant: null,
+          }),
+        )
+        .mockReturnValueOnce(
+          of({
+            ...summary,
+            selectors: [
+              {
+                key: 'sector',
+                label: 'Sector',
+                options: [{ value: 'a', label: 'Sector A' }],
+                enabled: true,
+              },
+              { key: 'seat', label: 'Seat', options: ['1'], enabled: true },
+            ],
+            selected_values: { sector: 'a' },
+            resolved_variant: null,
+          }),
+        )
+        .mockReturnValueOnce(
+          of({
+            ...summary,
+            selectors: [],
+            selected_values: { sector: 'a', seat: '1' },
+            resolved_variant: resolvedVariant,
+          }),
+        ),
+    };
+    const cartService = {
+      cart: signal(null).asReadonly(),
+      withoutLoading: vi.fn(),
+      addItem: vi.fn().mockReturnValue(
+        of({
+          data: {
+            id: 10,
+            tenant_codigo: 'demo',
+            status: 'active',
+            subtotal: '10000.00',
+            items: [
+              {
+                id: 25,
+                cantidad: 1,
+                precio_unitario: '10000.00',
+                catalog_item_id: 7,
+                variant_id: 401,
+                product: null,
+              },
+            ],
+          },
+        }),
+      ),
+      removeItem,
+    };
+    catalogService.withoutLoading.mockReturnValue(catalogService);
+    cartService.withoutLoading.mockReturnValue(cartService);
+    await TestBed.configureTestingModule({
+      imports: [ProductTicketSelectorComponent],
+      providers: [
+        { provide: CatalogService, useValue: catalogService },
+        { provide: CartService, useValue: cartService },
+        { provide: ModalService, useValue: { openConfirmDelete } },
+      ],
+    }).compileComponents();
+    const fixture = TestBed.createComponent(ProductTicketSelectorComponent);
+    fixture.componentRef.setInput('productId', 7);
+    fixture.componentRef.setInput('title', 'Entrada');
+    fixture.detectChanges();
+    await fixture.whenStable();
+
+    expect(catalogService.getVariantOptions).toHaveBeenCalledTimes(1);
+    expect(catalogService.withoutLoading).toHaveBeenCalled();
+
+    fixture.componentInstance['onSelectionChange'](1, 'sector', {
+      value: 'a',
+      label: 'Sector A',
+    });
+
+    expect(catalogService.getVariantOptions).toHaveBeenLastCalledWith(7, {
+      selected_values: { sector: 'a' },
+      cart_item_id: null,
+    });
+    expect(fixture.componentInstance['rows']()[0].status).toBe('selecting');
+
+    fixture.componentInstance['onSelectionChange'](1, 'seat', '1');
+
+    expect(cartService.addItem).toHaveBeenCalledWith(7, 401, 1);
+    expect(cartService.withoutLoading).toHaveBeenCalled();
+    expect(fixture.componentInstance['rows']()[0]).toMatchObject({
+      variantId: 401,
+      reservedVariantId: 401,
+      cartItemId: 25,
+      status: 'reserved',
+    });
+
+    fixture.detectChanges();
+    const validation = fixture.nativeElement.querySelector('.ticket-selector__validation');
+    expect(validation.textContent).toContain('Validado');
+    expect(validation.querySelector('.fa-check')).not.toBeNull();
+    expect(fixture.nativeElement.querySelector('.ticket-selector__row-status')).toBeNull();
+    expect(fixture.nativeElement.querySelector('.ticket-selector__row-error')).toBeNull();
+
+    const deleteButton = fixture.nativeElement.querySelector(
+      'app-icon-button button',
+    ) as HTMLButtonElement;
+    expect(deleteButton.classList.contains('icon-btn--bordered')).toBe(true);
+    deleteButton.click();
+
+    expect(openConfirmDelete).toHaveBeenCalledWith({
+      title: 'Eliminar entrada',
+      content:
+        'Se eliminará esta entrada de “Entrada”. Si ya estaba reservada, se liberará del carrito.',
+      confirmLabel: 'Sí, eliminar',
+      cancelLabel: 'Cancelar',
+      size: 'md',
+    });
+    expect(removeItem).toHaveBeenCalledWith(25);
+    expect(fixture.componentInstance['rows']()).toHaveLength(0);
+  });
+
+  it('restores selections that are already reserved in the cart', async () => {
+    const cartState = signal({
+      id: 10,
+      tenant_codigo: 'demo',
+      status: 'active',
+      subtotal: '10000.00',
+      items: [
+        {
+          id: 25,
+          cantidad: 1,
+          precio_unitario: '10000.00',
+          catalog_item_id: 7,
+          variant_id: 401,
+          product: {
+            nombre: 'Entrada',
+            imagen: null,
+            variants: [
+              {
+                id: 401,
+                precio: '10000.00',
+                stock_tecnico: 1,
+                values: {
+                  sector: { value: 'a', label: 'Sector A' },
+                  seat: '1',
+                },
+              },
+            ],
+          },
+        },
+      ],
+    });
+    const catalogService = {
+      withoutLoading: vi.fn(),
+      getVariantOptions: vi.fn().mockReturnValue(
+        of({
+          valid: true,
+          available_variant_count: 1,
+          matching_variant_count: 1,
+          price_range: { minimum: '10000.00', maximum: '10000.00' },
+          selectors: [
+            {
+              key: 'sector',
+              label: 'Sector',
+              options: [{ value: 'a', label: 'Sector A' }],
+              enabled: true,
+            },
+            { key: 'seat', label: 'Seat', options: ['1'], enabled: true },
+          ],
+          selected_values: { sector: 'a', seat: '1' },
+          resolved_variant: {
+            id: 401,
+            precio: '10000.00',
+            stock_tecnico: 1,
+            values: { sector: { value: 'a', label: 'Sector A' }, seat: '1' },
+          },
+        }),
+      ),
+    };
+    const cartService = {
+      cart: cartState.asReadonly(),
+      withoutLoading: vi.fn(),
+      addItem: vi.fn(),
+      updateItemVariant: vi.fn(),
+    };
+    catalogService.withoutLoading.mockReturnValue(catalogService);
+    cartService.withoutLoading.mockReturnValue(cartService);
+
+    await TestBed.configureTestingModule({
+      imports: [ProductTicketSelectorComponent],
+      providers: [
+        { provide: CatalogService, useValue: catalogService },
+        { provide: CartService, useValue: cartService },
+      ],
+    }).compileComponents();
+    const fixture = TestBed.createComponent(ProductTicketSelectorComponent);
+    fixture.componentRef.setInput('productId', 7);
+    fixture.componentRef.setInput('title', 'Entrada');
+    fixture.detectChanges();
+    await fixture.whenStable();
+    fixture.detectChanges();
+
+    expect(catalogService.getVariantOptions).toHaveBeenCalledWith(7, {
+      selected_values: { sector: 'a', seat: '1' },
+      cart_item_id: 25,
+    });
+    expect(fixture.componentInstance['rows']()[0]).toMatchObject({
+      variantId: 401,
+      reservedVariantId: 401,
+      cartItemId: 25,
+      selectedValues: { sector: 'a', seat: '1' },
+      status: 'reserved',
+    });
+    expect(cartService.addItem).not.toHaveBeenCalled();
+    expect(cartService.updateItemVariant).not.toHaveBeenCalled();
+    const selects = Array.from<HTMLSelectElement>(fixture.nativeElement.querySelectorAll('select'));
+    expect(selects.map((select) => select.selectedOptions[0]?.textContent?.trim())).toEqual([
+      'Sector A',
+      '1',
+    ]);
+    expect(
+      fixture.nativeElement.querySelector('.ticket-selector__validation').textContent,
+    ).toContain('Validado');
+  });
+
+  it('keeps the reserved selection and shows a toast when a variant change cannot be completed', async () => {
+    const cartState = signal({
+      id: 10,
+      tenant_codigo: 'demo',
+      status: 'active',
+      subtotal: '10000.00',
+      items: [
+        {
+          id: 25,
+          cantidad: 1,
+          precio_unitario: '10000.00',
+          catalog_item_id: 7,
+          variant_id: 401,
+          product: {
+            nombre: 'Entrada',
+            imagen: null,
+            variants: [
+              {
+                id: 401,
+                precio: '10000.00',
+                stock_tecnico: 0,
+                values: { seat: '1' },
+              },
+            ],
+          },
+        },
+      ],
+    });
+    const selector = {
+      key: 'seat',
+      label: 'Asiento',
+      options: ['1', '2'],
+      enabled: true,
+    };
+    const summary = {
+      valid: true,
+      available_variant_count: 2,
+      matching_variant_count: 1,
+      price_range: { minimum: '10000.00', maximum: '10000.00' },
+      selectors: [selector],
+    };
+    const catalogService = {
+      withoutLoading: vi.fn(),
+      getVariantOptions: vi
+        .fn()
+        .mockReturnValueOnce(
+          of({
+            ...summary,
+            selected_values: { seat: '1' },
+            resolved_variant: {
+              id: 401,
+              precio: '10000.00',
+              stock_tecnico: 0,
+              values: { seat: '1' },
+            },
+          }),
+        )
+        .mockReturnValueOnce(
+          of({
+            ...summary,
+            selected_values: { seat: '2' },
+            resolved_variant: {
+              id: 402,
+              precio: '10000.00',
+              stock_tecnico: 1,
+              values: { seat: '2' },
+            },
+          }),
+        ),
+    };
+    const errorMessage = 'La entrada seleccionada ya no está disponible.';
+    const cartService = {
+      cart: cartState.asReadonly(),
+      withoutLoading: vi.fn(),
+      updateItemVariant: vi.fn().mockReturnValue(
+        throwError(
+          () =>
+            new HttpErrorResponse({
+              status: 422,
+              error: { message: errorMessage },
+            }),
+        ),
+      ),
+    };
+    const toastService = { danger: vi.fn() };
+    catalogService.withoutLoading.mockReturnValue(catalogService);
+    cartService.withoutLoading.mockReturnValue(cartService);
+
+    await TestBed.configureTestingModule({
+      imports: [ProductTicketSelectorComponent],
+      providers: [
+        { provide: CatalogService, useValue: catalogService },
+        { provide: CartService, useValue: cartService },
+        { provide: ToastService, useValue: toastService },
+      ],
+    }).compileComponents();
+    const fixture = TestBed.createComponent(ProductTicketSelectorComponent);
+    fixture.componentRef.setInput('productId', 7);
+    fixture.componentRef.setInput('title', 'Entrada');
+    fixture.detectChanges();
+    await fixture.whenStable();
+
+    fixture.componentInstance['onSelectionChange'](1, 'seat', '2');
+    fixture.detectChanges();
+
+    expect(cartService.updateItemVariant).toHaveBeenCalledWith(25, 1, 402);
+    expect(toastService.danger).toHaveBeenCalledWith(errorMessage);
+    expect(fixture.componentInstance['rows']()[0]).toMatchObject({
+      variantId: 401,
+      reservedVariantId: 401,
+      selectedValues: { seat: '1' },
+      status: 'reserved',
+      error: null,
+    });
+    const select = fixture.nativeElement.querySelector('select') as HTMLSelectElement;
+    expect(select.value).toBe(JSON.stringify('1'));
+
+    const unavailableMessage = 'La combinación seleccionada ya no está disponible.';
+    catalogService.getVariantOptions.mockReturnValueOnce(
+      of({
+        ...summary,
+        valid: false,
+        matching_variant_count: 0,
+        selected_values: {},
+        resolved_variant: null,
+      }),
+    );
+
+    fixture.componentInstance['onSelectionChange'](1, 'seat', '2');
+    fixture.detectChanges();
+
+    expect(cartService.updateItemVariant).toHaveBeenCalledTimes(1);
+    expect(toastService.danger).toHaveBeenLastCalledWith(unavailableMessage);
+    expect(fixture.componentInstance['rows']()[0]).toMatchObject({
+      variantId: 401,
+      reservedVariantId: 401,
+      selectedValues: { seat: '1' },
+      status: 'reserved',
+      error: null,
+    });
+    expect(select.value).toBe(JSON.stringify('1'));
+  });
+});

src/app/shared/components/product-ticket-selector/product-ticket-selector.component.ts

@@ -0,0 +1,619 @@
+import { HttpErrorResponse } from '@angular/common/http';
+import {
+  afterNextRender,
+  ChangeDetectionStrategy,
+  Component,
+  computed,
+  DestroyRef,
+  effect,
+  inject,
+  input,
+  output,
+  signal,
+  untracked,
+} from '@angular/core';
+import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
+import { Subscription } from 'rxjs';
+
+import { CartService } from '../../../core/services/cart/cart.service';
+import { CartItem, CartItemVariantValue } from '../../../core/services/cart/cart.interface';
+import { ModalService } from '../../../core/services/modal.service';
+import { ToastService } from '../../../core/services/toast.service';
+import {
+  CatalogVariantOptionsResponse,
+  CatalogVariantSelector,
+  CatalogVariantValue,
+} from '../../../core/services/catalog/catalog.interface';
+import { CatalogService } from '../../../core/services/catalog/catalog.service';
+import { ButtonComponent } from '../button/button.component';
+import { IconButtonComponent } from '../icon-button/icon-button.component';
+
+type TicketSelectionStatus =
+  | 'selecting'
+  | 'checking'
+  | 'reserving'
+  | 'reserved'
+  | 'removing'
+  | 'error';
+
+type TicketValidationStatus = 'validating' | 'validated' | 'error';
+
+interface TicketSelectionRow {
+  id: number;
+  variantId: number | null;
+  reservedVariantId: number | null;
+  cartItemId: number | null;
+  selectedValues: Record<string, string | string[]>;
+  selectors: CatalogVariantSelector[];
+  reservedSelectedValues: Record<string, string | string[]>;
+  reservedSelectors: CatalogVariantSelector[];
+  status: TicketSelectionStatus;
+  error: string | null;
+}
+
+@Component({
+  selector: 'app-product-ticket-selector',
+  imports: [ButtonComponent, IconButtonComponent],
+  templateUrl: './product-ticket-selector.component.html',
+  styleUrl: './product-ticket-selector.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ProductTicketSelectorComponent {
+  private readonly catalogService = inject(CatalogService);
+  private readonly cartService = inject(CartService);
+  private readonly modalService = inject(ModalService);
+  private readonly toastService = inject(ToastService);
+  private readonly destroyRef = inject(DestroyRef);
+  private readonly optionRequests = new Map<number, Subscription>();
+  private readonly reservationRequests = new Map<number, Subscription>();
+  private readonly viewReady = signal(false);
+
+  readonly productId = input.required<number>();
+  readonly title = input.required<string>();
+  readonly description = input<string>('');
+  readonly price = input<number>(0);
+  readonly imageUrl = input<string | null>(null);
+  readonly disabled = input(false);
+
+  readonly buy = output<number[]>();
+
+  protected readonly rows = signal<TicketSelectionRow[]>([this.createRow(1)]);
+  protected readonly availableVariantCount = signal(0);
+  private readonly remotePriceRange = signal<{ minimum: number; maximum: number } | null>(null);
+  private nextRowId = 2;
+
+  protected readonly hasSelection = computed(
+    () =>
+      this.rows().length > 0 &&
+      this.rows().every(
+        (row) =>
+          row.status === 'reserved' &&
+          row.variantId !== null &&
+          row.variantId === row.reservedVariantId,
+      ),
+  );
+  protected readonly validationStatus = computed<TicketValidationStatus | null>(() => {
+    const rows = this.rows();
+
+    if (rows.some((row) => this.isBusy(row))) return 'validating';
+    if (rows.some((row) => row.status === 'error' || row.error !== null)) return 'error';
+    if (rows.length > 0 && rows.every((row) => row.status === 'reserved')) return 'validated';
+
+    return null;
+  });
+  protected readonly canAddRow = computed(
+    () =>
+      this.availableVariantCount() > 0 &&
+      this.rows().every((row) => row.status === 'reserved') &&
+      !this.rows().some((row) => this.isBusy(row)),
+  );
+  protected readonly priceRange = computed(() => {
+    const range = this.remotePriceRange();
+    const minimum = range?.minimum ?? this.price();
+    const maximum = range?.maximum ?? this.price();
+
+    return {
+      minimum: this.formatCurrency(minimum),
+      maximum: this.formatCurrency(maximum),
+      hasRange: minimum !== maximum,
+    };
+  });
+
+  constructor() {
+    effect(() => {
+      const viewReady = this.viewReady();
+      const cart = this.cartService.cart?.() ?? null;
+
+      if (!viewReady) return;
+
+      untracked(() => {
+        if (cart === null) {
+          this.ensureEmptyRowLoaded();
+          return;
+        }
+
+        this.synchronizeWithCart(cart.items);
+      });
+    });
+
+    afterNextRender(() => this.viewReady.set(true));
+
+    this.destroyRef.onDestroy(() => {
+      this.optionRequests.forEach((request) => request.unsubscribe());
+      this.reservationRequests.forEach((request) => request.unsubscribe());
+    });
+  }
+
+  protected onBuy(): void {
+    const variantIds = this.rows().flatMap((row) =>
+      row.reservedVariantId === null ? [] : [row.reservedVariantId],
+    );
+
+    if (this.hasSelection() && variantIds.length > 0) {
+      this.buy.emit(variantIds);
+    }
+  }
+
+  protected addRow(): void {
+    if (!this.canAddRow()) return;
+
+    const row = this.createRow(this.nextRowId++);
+    this.rows.update((rows) => [...rows, row]);
+    this.loadOptions(row.id, {});
+  }
+
+  protected removeRow(rowId: number): void {
+    const row = this.findRow(rowId);
+    if (!row || this.isBusy(row)) return;
+
+    this.modalService
+      .openConfirmDelete({
+        title: 'Eliminar entrada',
+        content: `Se eliminará esta entrada de “${this.title()}”. Si ya estaba reservada, se liberará del carrito.`,
+        confirmLabel: 'Sí, eliminar',
+        cancelLabel: 'Cancelar',
+        size: 'md',
+      })
+      .pipe(takeUntilDestroyed(this.destroyRef))
+      .subscribe((confirmed) => {
+        if (confirmed) this.confirmRemoveRow(row);
+      });
+  }
+
+  private confirmRemoveRow(row: TicketSelectionRow): void {
+    const rowId = row.id;
+
+    this.optionRequests.get(rowId)?.unsubscribe();
+
+    if (row.cartItemId === null) {
+      this.deleteRow(rowId);
+      return;
+    }
+
+    this.patchRow(rowId, { status: 'removing', error: null });
+    const request = this.cartService
+      .withoutLoading()
+      .removeItem(row.cartItemId)
+      .subscribe({
+        next: () => {
+          this.availableVariantCount.update((count) => count + 1);
+          this.deleteRow(rowId);
+        },
+        error: (error: HttpErrorResponse) => {
+          this.patchRow(rowId, {
+            status: 'reserved',
+            error: this.errorMessage(error, 'No se pudo liberar la entrada.'),
+          });
+        },
+      });
+    this.reservationRequests.set(rowId, request);
+  }
+
+  protected onSelectionChange(
+    rowId: number,
+    selectorKey: string,
+    value: CatalogVariantValue | null,
+  ): void {
+    const row = this.findRow(rowId);
+    if (!row || this.isBusy(row)) return;
+
+    const selectorIndex = row.selectors.findIndex((selector) => selector.key === selectorKey);
+    const retainedKeys = new Set(row.selectors.slice(0, selectorIndex + 1).map(({ key }) => key));
+    const selectedValues = Object.fromEntries(
+      Object.entries(row.selectedValues).filter(([key]) => retainedKeys.has(key)),
+    );
+
+    if (value === null) delete selectedValues[selectorKey];
+    else selectedValues[selectorKey] = this.normalizeValue(value);
+
+    const preservesReservedSelection =
+      row.reservedVariantId !== null &&
+      row.selectors.length > 0 &&
+      row.selectors.every(({ key }) => key in selectedValues);
+
+    this.loadOptions(rowId, selectedValues, preservesReservedSelection);
+  }
+
+  protected optionLabel(value: CatalogVariantValue): string {
+    const values = Array.isArray(value) ? value : [value];
+    return values.map((item) => (typeof item === 'string' ? item : item.label)).join(', ');
+  }
+
+  protected selectedOption(row: TicketSelectionRow, key: string): string | string[] | null {
+    return row.selectedValues[key] ?? null;
+  }
+
+  protected optionKey(value: CatalogVariantValue): string {
+    return this.valueKey(value);
+  }
+
+  protected selectedOptionKey(row: TicketSelectionRow, key: string): string {
+    const selectedOption = this.selectedOption(row, key);
+
+    return selectedOption === null ? '' : this.valueKey(selectedOption);
+  }
+
+  protected onSelectionKeyChange(
+    rowId: number,
+    selector: CatalogVariantSelector,
+    selectedKey: string,
+  ): void {
+    const selectedOption =
+      selector.options.find((option) => this.valueKey(option) === selectedKey) ?? null;
+
+    this.onSelectionChange(rowId, selector.key, selectedOption);
+  }
+
+  protected rowDisabled(row: TicketSelectionRow): boolean {
+    return this.disabled() || this.isBusy(row);
+  }
+
+  private loadOptions(
+    rowId: number,
+    selectedValues: Record<string, string | string[]>,
+    preserveReservedSelection = false,
+  ): void {
+    const row = this.findRow(rowId);
+    if (!row) return;
+
+    this.optionRequests.get(rowId)?.unsubscribe();
+    this.patchRow(rowId, {
+      selectedValues: preserveReservedSelection ? row.reservedSelectedValues : selectedValues,
+      status: 'checking',
+      error: null,
+    });
+
+    const request = this.catalogService
+      .withoutLoading()
+      .getVariantOptions(this.productId(), {
+        selected_values: selectedValues,
+        cart_item_id: row.cartItemId,
+      })
+      .subscribe({
+        next: (response) => {
+          this.applySummary(response, row);
+
+          if (!response.valid) {
+            if (row.reservedVariantId !== null) {
+              this.restoreReservedRowAfterError(
+                rowId,
+                row,
+                'La combinación seleccionada ya no está disponible.',
+              );
+              return;
+            }
+
+            this.patchRow(rowId, {
+              variantId: null,
+              selectedValues: {},
+              selectors: response.selectors,
+              status: response.available_variant_count === 0 ? 'selecting' : 'error',
+              error:
+                response.available_variant_count === 0
+                  ? null
+                  : 'La combinación seleccionada ya no está disponible.',
+            });
+            return;
+          }
+
+          this.patchRow(rowId, {
+            variantId: response.resolved_variant?.id ?? null,
+            selectedValues: preserveReservedSelection
+              ? row.reservedSelectedValues
+              : response.selected_values,
+            selectors: preserveReservedSelection ? row.reservedSelectors : response.selectors,
+            status: 'selecting',
+            error: null,
+          });
+
+          if (response.resolved_variant !== null) {
+            if (row.cartItemId !== null && row.reservedVariantId === response.resolved_variant.id) {
+              this.patchRow(rowId, {
+                reservedSelectedValues: response.selected_values,
+                reservedSelectors: response.selectors,
+                status: 'reserved',
+              });
+            } else {
+              this.reserveRow(
+                rowId,
+                response.resolved_variant.id,
+                response.selected_values,
+                response.selectors,
+              );
+            }
+          }
+        },
+        error: (error: HttpErrorResponse) => {
+          const message = this.errorMessage(error, 'No se pudo consultar la disponibilidad.');
+
+          if (row.reservedVariantId !== null) {
+            this.restoreReservedRowAfterError(rowId, row, message);
+            return;
+          }
+
+          this.patchRow(rowId, { status: 'error', error: message });
+          this.toastService.danger(message);
+        },
+      });
+    this.optionRequests.set(rowId, request);
+  }
+
+  private reserveRow(
+    rowId: number,
+    variantId: number,
+    selectedValues: Record<string, string | string[]>,
+    selectors: CatalogVariantSelector[],
+  ): void {
+    const row = this.findRow(rowId);
+    if (!row || (row.status === 'reserved' && row.reservedVariantId === variantId)) return;
+
+    this.patchRow(rowId, {
+      selectedValues: row.reservedVariantId === null ? selectedValues : row.reservedSelectedValues,
+      selectors: row.reservedVariantId === null ? selectors : row.reservedSelectors,
+      status: 'reserving',
+      error: null,
+    });
+    const cartService = this.cartService.withoutLoading();
+    const operation =
+      row.cartItemId === null
+        ? cartService.addItem(this.productId(), variantId, 1)
+        : cartService.updateItemVariant(row.cartItemId, 1, variantId);
+    const request = operation.subscribe({
+      next: (response) => {
+        const cartItem =
+          row.cartItemId === null
+            ? response.data.items.find(
+                (item) =>
+                  item.catalog_item_id === this.productId() && item.variant_id === variantId,
+              )
+            : response.data.items.find((item) => item.id === row.cartItemId);
+
+        if (!cartItem) {
+          this.patchRow(rowId, {
+            variantId: row.reservedVariantId,
+            status: row.reservedVariantId === null ? 'error' : 'reserved',
+            error: 'No se pudo identificar la entrada reservada.',
+          });
+          return;
+        }
+
+        this.patchRow(rowId, {
+          variantId,
+          reservedVariantId: variantId,
+          selectedValues,
+          selectors,
+          reservedSelectedValues: selectedValues,
+          reservedSelectors: selectors,
+          cartItemId: cartItem.id,
+          status: 'reserved',
+          error: null,
+        });
+        if (row.cartItemId === null) {
+          this.availableVariantCount.update((count) => Math.max(0, count - 1));
+        }
+      },
+      error: (error: HttpErrorResponse) => {
+        const message = this.errorMessage(error, 'La entrada ya no está disponible.');
+
+        if (row.reservedVariantId !== null) {
+          this.restoreReservedRowAfterError(rowId, row, message);
+          return;
+        }
+
+        this.patchRow(rowId, { variantId: null, status: 'error', error: message });
+        this.toastService.danger(message);
+      },
+    });
+    this.reservationRequests.set(rowId, request);
+  }
+
+  private restoreReservedRowAfterError(
+    rowId: number,
+    row: TicketSelectionRow,
+    message: string,
+  ): void {
+    this.patchRow(rowId, {
+      variantId: row.reservedVariantId,
+      selectedValues: row.reservedSelectedValues,
+      selectors: row.reservedSelectors,
+      status: 'reserved',
+      error: null,
+    });
+    this.toastService.danger(message);
+  }
+
+  private applySummary(response: CatalogVariantOptionsResponse, row: TicketSelectionRow): void {
+    this.availableVariantCount.set(
+      Math.max(0, response.available_variant_count - (row.cartItemId === null ? 0 : 1)),
+    );
+    this.remotePriceRange.set({
+      minimum: Number(response.price_range.minimum),
+      maximum: Number(response.price_range.maximum),
+    });
+  }
+
+  private createRow(id: number): TicketSelectionRow {
+    return {
+      id,
+      variantId: null,
+      reservedVariantId: null,
+      cartItemId: null,
+      selectedValues: {},
+      selectors: [],
+      reservedSelectedValues: {},
+      reservedSelectors: [],
+      status: 'checking',
+      error: null,
+    };
+  }
+
+  private createCartRow(item: CartItem, id = this.nextRowId++): TicketSelectionRow | null {
+    if (item.variant_id === null) return null;
+
+    const variant = item.product?.variants?.find(({ id }) => id === item.variant_id);
+    if (!variant) return null;
+
+    const selectedValues = this.normalizeCartValues(variant.values);
+
+    return {
+      id,
+      variantId: item.variant_id,
+      reservedVariantId: item.variant_id,
+      cartItemId: item.id,
+      selectedValues,
+      selectors: [],
+      reservedSelectedValues: selectedValues,
+      reservedSelectors: [],
+      status: 'checking',
+      error: null,
+    };
+  }
+
+  private synchronizeWithCart(items: CartItem[]): void {
+    const cartItems = items.filter(
+      (item) => item.catalog_item_id === this.productId() && item.variant_id !== null,
+    );
+    const currentRows = this.rows();
+
+    if (cartItems.length === 0) {
+      if (currentRows.some((row) => row.cartItemId !== null)) {
+        this.replaceRows([this.createRow(this.nextRowId++)]);
+      }
+      this.ensureEmptyRowLoaded();
+      return;
+    }
+
+    const rowsToLoad: TicketSelectionRow[] = [];
+    const synchronizedRows = cartItems.flatMap((item) => {
+      const existingRow = currentRows.find((row) => row.cartItemId === item.id);
+      const cartRow = this.createCartRow(item, existingRow?.id);
+
+      if (!cartRow) return [];
+
+      if (
+        existingRow &&
+        existingRow.reservedVariantId === cartRow.reservedVariantId &&
+        this.sameSelectedValues(existingRow.selectedValues, cartRow.selectedValues)
+      ) {
+        return [existingRow];
+      }
+
+      rowsToLoad.push(cartRow);
+      return [cartRow];
+    });
+    const localRows = currentRows.filter(
+      (row) => row.cartItemId === null && Object.keys(row.selectedValues).length > 0,
+    );
+
+    this.replaceRows([...synchronizedRows, ...localRows]);
+    rowsToLoad.forEach((row) => this.loadOptions(row.id, row.selectedValues));
+  }
+
+  private ensureEmptyRowLoaded(): void {
+    const currentRows = this.rows();
+
+    if (currentRows.length === 0) {
+      const row = this.createRow(this.nextRowId++);
+      this.rows.set([row]);
+      this.loadOptions(row.id, {});
+      return;
+    }
+
+    if (currentRows.length === 1 && !this.optionRequests.has(currentRows[0].id)) {
+      this.loadOptions(currentRows[0].id, currentRows[0].selectedValues);
+    }
+  }
+
+  private replaceRows(rows: TicketSelectionRow[]): void {
+    const retainedIds = new Set(rows.map(({ id }) => id));
+
+    this.rows().forEach((row) => {
+      if (retainedIds.has(row.id)) return;
+
+      this.optionRequests.get(row.id)?.unsubscribe();
+      this.reservationRequests.get(row.id)?.unsubscribe();
+      this.optionRequests.delete(row.id);
+      this.reservationRequests.delete(row.id);
+    });
+    this.rows.set(rows);
+  }
+
+  private normalizeCartValues(
+    values: Record<string, CartItemVariantValue>,
+  ): Record<string, string | string[]> {
+    return Object.fromEntries(
+      Object.entries(values).map(([key, value]) => [key, this.normalizeValue(value)]),
+    );
+  }
+
+  private sameSelectedValues(
+    left: Record<string, string | string[]>,
+    right: Record<string, string | string[]>,
+  ): boolean {
+    return JSON.stringify(left) === JSON.stringify(right);
+  }
+
+  private findRow(rowId: number): TicketSelectionRow | undefined {
+    return this.rows().find((row) => row.id === rowId);
+  }
+
+  private patchRow(rowId: number, patch: Partial<TicketSelectionRow>): void {
+    this.rows.update((rows) => rows.map((row) => (row.id === rowId ? { ...row, ...patch } : row)));
+  }
+
+  private deleteRow(rowId: number): void {
+    this.rows.update((rows) => rows.filter((row) => row.id !== rowId));
+    this.optionRequests.delete(rowId);
+    this.reservationRequests.delete(rowId);
+  }
+
+  private isBusy(row: TicketSelectionRow): boolean {
+    return ['checking', 'reserving', 'removing'].includes(row.status);
+  }
+
+  private normalizeValue(value: CatalogVariantValue): string | string[] {
+    return Array.isArray(value)
+      ? value.map((item) => this.scalarValue(item))
+      : this.scalarValue(value);
+  }
+
+  private scalarValue(value: string | { value: string }): string {
+    return typeof value === 'string' ? value : value.value;
+  }
+
+  private valueKey(value: CatalogVariantValue): string {
+    return JSON.stringify(this.normalizeValue(value));
+  }
+
+  private errorMessage(error: HttpErrorResponse, fallback: string): string {
+    return typeof error.error?.message === 'string' ? error.error.message : fallback;
+  }
+
+  private formatCurrency(value: number): string {
+    return new Intl.NumberFormat('es-AR', {
+      style: 'currency',
+      currency: 'ARS',
+      maximumFractionDigits: 0,
+    }).format(value);
+  }
+}

src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.html

@@ -21,10 +21,7 @@
         </div>
 
         <div class="product-vertical-with-cart-card__variant-selectors">
-          <app-variant-selector
-            [variants]="selectorVariants()"
-            [(selectedVariant)]="selectedVariant"
-          />
+          <app-variant-selector [variants]="variants()" [(selectedVariant)]="selectedVariant" />
         </div>
       </div>
     }

src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.spec.ts

@@ -1,4 +1,4 @@
-import { TestBed, getTestBed } from '@angular/core/testing';
+import { TestBed, getTestBed } from '@angular/core/testing';
 import { BrowserTestingModule, platformBrowserTesting } from '@angular/platform-browser/testing';
 import { afterEach, beforeAll, describe, expect, it, vi } from 'vitest';
 
@@ -17,7 +17,7 @@ describe('ProductVerticalWithCartCardComponent', () => {
     TestBed.resetTestingModule();
   });
 
-  async function createComponent(description = 'Pancho con aderezo a elección.') {
+  async function createComponent(description = 'Pancho con aderezo a elección.') {
     await TestBed.configureTestingModule({
       imports: [ProductVerticalWithCartCardComponent],
     }).compileComponents();
@@ -40,7 +40,7 @@ describe('ProductVerticalWithCartCardComponent', () => {
     );
     expect(
       element.querySelector('.product-vertical-with-cart-card__description')?.textContent,
-    ).toContain('Pancho con aderezo a elección.');
+    ).toContain('Pancho con aderezo a elección.');
     expect(
       element.querySelector('.product-vertical-with-cart-card__price')?.textContent?.trim(),
     ).toBe('$ 11.500');
@@ -130,16 +130,14 @@ describe('ProductVerticalWithCartCardComponent', () => {
 
     expect(summary?.querySelector('.product-vertical-with-cart-card__price')).not.toBeNull();
     expect(summary?.querySelector('app-quantity-selector')).not.toBeNull();
-    expect(
-      selectors?.querySelectorAll('.variant-selector__select'),
-    ).toHaveLength(1);
+    expect(selectors?.querySelectorAll('.variant-selector__select')).toHaveLength(1);
     expect(selectors?.querySelector('app-quantity-selector')).toBeNull();
   });
 
   it('places all variant selectors together below price and quantity', async () => {
     const fixture = await createComponent();
     fixture.componentRef.setInput('variants', [
-      { id: 20, values: { fecha: '10 de octubre', turno: 'Mañana' } },
+      { id: 20, values: { fecha: '10 de octubre', turno: 'Mañana' } },
       { id: 21, values: { fecha: '10 de octubre', turno: 'Tarde' } },
     ]);
     fixture.detectChanges();
@@ -181,7 +179,7 @@ describe('ProductVerticalWithCartCardComponent', () => {
   });
 
   it('prioritizes the selected variant description and price', async () => {
-    const fixture = await createComponent('Descripción general');
+    const fixture = await createComponent('Descripción general');
     fixture.componentRef.setInput('variants', [
       {
         id: 40,
@@ -206,9 +204,7 @@ describe('ProductVerticalWithCartCardComponent', () => {
       element.querySelector('.product-vertical-with-cart-card__price')?.textContent?.trim(),
     ).toBe('$ 10.000');
 
-    const select = element.querySelector(
-      '.variant-selector__select',
-    ) as HTMLSelectElement;
+    const select = element.querySelector('.variant-selector__select') as HTMLSelectElement;
     select.value = select.options[1].value;
     select.dispatchEvent(new Event('change'));
     fixture.detectChanges();

src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.ts

@@ -1,11 +1,4 @@
-import {
-  ChangeDetectionStrategy,
-  Component,
-  computed,
-  input,
-  model,
-  output,
-} from '@angular/core';
+import { ChangeDetectionStrategy, Component, computed, input, model, output } from '@angular/core';
 
 import { ButtonComponent } from '../button/button.component';
 import { QuantitySelectorComponent } from '../quantity-selector/quantity-selector.component';
@@ -14,11 +7,9 @@ import {
   VariantSelectorVariant,
 } from '../variant-selector/variant-selector.component';
 
-export interface VerticalCartVariant {
-  id: number;
+export interface VerticalCartVariant extends VariantSelectorVariant {
   descripcion?: string | null;
   precio?: string | number;
-  values: Record<string, string>;
 }
 
 @Component({
@@ -52,10 +43,7 @@ export class ProductVerticalWithCartCardComponent {
     return Number.isFinite(variantPrice) ? variantPrice : this.price();
   });
   protected readonly formattedPrice = computed(() => this.formatCurrency(this.effectivePrice()));
-  protected readonly selectorVariants = computed<VariantSelectorVariant[]>(() =>
-    this.variants().map((variant) => ({ value: variant.id, values: variant.values })),
-  );
-  protected readonly hasVariants = computed(() => this.selectorVariants().length > 0);
+  protected readonly hasVariants = computed(() => this.variants().length > 0);
 
   protected onAddToCart(): void {
     this.addToCart.emit({ quantity: this.quantity(), variant: this.selectedVariant() });

src/app/shared/components/variant-selector/variant-selector.component.html

@@ -4,11 +4,14 @@
       <select
         class="form-select variant-selector__select"
         [attr.aria-label]="selector.label"
-        [disabled]="disabled()"
+        [disabled]="disabled() || (!autoSelectFirst() && selector.options.length === 0)"
         [compareWith]="compareValues"
-        [ngModel]="selectedValues()[selector.key]"
+        [ngModel]="selectedValues()[selector.key] ?? null"
         (ngModelChange)="onValueChange(selector.key, $event)"
       >
+        @if (!autoSelectFirst()) {
+          <option [ngValue]="null" disabled>Seleccioná {{ selector.label }}</option>
+        }
         @for (option of selector.options; track option.key) {
           <option [ngValue]="option.value">{{ option.label }}</option>
         }

src/app/shared/components/variant-selector/variant-selector.component.spec.ts

@@ -22,9 +22,9 @@ describe('VariantSelectorComponent', () => {
     }).compileComponents();
     const fixture = TestBed.createComponent(VariantSelectorComponent);
     fixture.componentRef.setInput('variants', [
-      { value: 1, values: { alojamiento: 'Carpa', servicio: 'Almuerzo' } },
-      { value: 2, values: { alojamiento: 'Carpa', servicio: 'Cena' } },
-      { value: 3, values: { alojamiento: 'Hotel', servicio: 'Cena' } },
+      { id: 1, values: { alojamiento: 'Carpa', servicio: 'Almuerzo' } },
+      { id: 2, values: { alojamiento: 'Carpa', servicio: 'Cena' } },
+      { id: 3, values: { alojamiento: 'Hotel', servicio: 'Cena' } },
     ]);
     fixture.componentRef.setInput('selectedVariant', 1);
     fixture.detectChanges();
@@ -46,14 +46,14 @@ describe('VariantSelectorComponent', () => {
     const fixture = TestBed.createComponent(VariantSelectorComponent);
     fixture.componentRef.setInput('variants', [
       {
-        value: 1,
+        id: 1,
         values: {
           color: { value: 'red', label: 'Rojo' },
           talle: { value: 's', label: 'Small' },
         },
       },
       {
-        value: 2,
+        id: 2,
         values: {
           color: { value: 'red', label: 'Rojo' },
           talle: { value: 'm', label: 'Medium' },
@@ -79,4 +79,59 @@ describe('VariantSelectorComponent', () => {
 
     expect(fixture.componentInstance.selectedVariant()).toBe(1);
   });
+
+  it('requires manual selections when autoSelectFirst is disabled', async () => {
+    await TestBed.configureTestingModule({
+      imports: [VariantSelectorComponent],
+    }).compileComponents();
+    const fixture = TestBed.createComponent(VariantSelectorComponent);
+    fixture.componentRef.setInput('variants', [
+      { id: 1, values: { sector: 'A', asiento: '1' } },
+      { id: 2, values: { sector: 'A', asiento: '2' } },
+    ]);
+    fixture.componentRef.setInput('autoSelectFirst', false);
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.selectedVariant()).toBeNull();
+    expect((fixture.componentInstance as any).selectedValues()).toEqual({});
+
+    (fixture.componentInstance as any).onValueChange('sector', 'A');
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.selectedVariant()).toBeNull();
+    expect((fixture.componentInstance as any).selectedValues()).toEqual({ sector: 'A' });
+
+    fixture.componentRef.setInput('variants', [
+      { id: 1, values: { sector: 'A', asiento: '1' } },
+      { id: 2, values: { sector: 'A', asiento: '2' } },
+    ]);
+    fixture.detectChanges();
+
+    expect((fixture.componentInstance as any).selectedValues()).toEqual({ sector: 'A' });
+    expect((fixture.componentInstance as any).selectors()[1].options).toHaveLength(2);
+
+    (fixture.componentInstance as any).onValueChange('asiento', '2');
+
+    expect(fixture.componentInstance.selectedVariant()).toBe(2);
+  });
+
+  it('clears every selected value when the reset token changes', async () => {
+    await TestBed.configureTestingModule({
+      imports: [VariantSelectorComponent],
+    }).compileComponents();
+    const fixture = TestBed.createComponent(VariantSelectorComponent);
+    fixture.componentRef.setInput('variants', [{ id: 1, values: { sector: 'A', asiento: '1' } }]);
+    fixture.componentRef.setInput('autoSelectFirst', false);
+    fixture.detectChanges();
+
+    (fixture.componentInstance as any).onValueChange('sector', 'A');
+    (fixture.componentInstance as any).onValueChange('asiento', '1');
+    expect(fixture.componentInstance.selectedVariant()).toBe(1);
+
+    fixture.componentRef.setInput('resetToken', 1);
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.selectedVariant()).toBeNull();
+    expect((fixture.componentInstance as any).selectedValues()).toEqual({});
+  });
 });

src/app/shared/components/variant-selector/variant-selector.component.ts

@@ -5,6 +5,7 @@ import {
   effect,
   input,
   model,
+  output,
   signal,
   untracked,
 } from '@angular/core';
@@ -19,10 +20,15 @@ export type VariantAttributeScalar = string | VariantAttributeOption;
 export type VariantAttributeValue = VariantAttributeScalar | VariantAttributeScalar[];
 
 export interface VariantSelectorVariant {
-  value: unknown;
+  id: unknown;
   values: Record<string, VariantAttributeValue>;
 }
 
+export interface VariantSelectorSelectionChange {
+  values: Record<string, VariantAttributeValue>;
+  selectedVariant: unknown;
+}
+
 interface VariantSelectorOption {
   key: string;
   label: string;
@@ -48,6 +54,9 @@ export class VariantSelectorComponent {
   readonly selectedVariant = model<unknown>(null);
   readonly disabled = input(false);
   readonly compact = input(false);
+  readonly autoSelectFirst = input(true);
+  readonly resetToken = input(0);
+  readonly selectionValuesChange = output<VariantSelectorSelectionChange>();
 
   protected readonly selectedValues = signal<Record<string, VariantAttributeValue>>({});
   protected readonly compareValues = (
@@ -79,9 +88,31 @@ export class VariantSelectorComponent {
   });
 
   constructor() {
+    let initializedResetToken = false;
+    let previousResetToken = 0;
+
+    effect(() => {
+      const resetToken = this.resetToken();
+
+      untracked(() => {
+        if (!initializedResetToken) {
+          initializedResetToken = true;
+          previousResetToken = resetToken;
+          return;
+        }
+
+        if (resetToken === previousResetToken) return;
+
+        previousResetToken = resetToken;
+        this.selectedValues.set({});
+        this.selectedVariant.set(null);
+      });
+    });
+
     effect(() => {
       const variants = this.variants();
       const selectedVariant = this.selectedVariant();
+      const autoSelectFirst = this.autoSelectFirst();
 
       untracked(() => {
         if (variants.length === 0) {
@@ -90,19 +121,31 @@ export class VariantSelectorComponent {
           return;
         }
 
-        const selected =
-          variants.find((variant) => Object.is(variant.value, selectedVariant)) ?? variants[0];
-        this.selectedValues.set({ ...selected.values });
-        if (!Object.is(selected.value, selectedVariant)) this.selectedVariant.set(selected.value);
+        const selected = variants.find((variant) => Object.is(variant.id, selectedVariant));
+
+        if (!selected && !autoSelectFirst) {
+          this.selectedValues.set(this.reconcileManualSelection(this.selectedValues(), variants));
+          if (selectedVariant !== null) this.selectedVariant.set(null);
+          return;
+        }
+
+        const resolvedSelection = selected ?? variants[0];
+        this.selectedValues.set({ ...resolvedSelection.values });
+        if (!Object.is(resolvedSelection.id, selectedVariant)) {
+          this.selectedVariant.set(resolvedSelection.id);
+        }
       });
     });
   }
 
-  protected onValueChange(key: string, value: VariantAttributeValue): void {
+  protected onValueChange(key: string, value: VariantAttributeValue | null): void {
     const variants = this.variants();
     const keys = this.attributeKeys();
     const changedIndex = keys.indexOf(key);
-    const values = { ...this.selectedValues(), [key]: value };
+    const values = { ...this.selectedValues() };
+
+    if (value === null) delete values[key];
+    else values[key] = value;
 
     for (let index = changedIndex + 1; index < keys.length; index++) {
       const currentKey = keys[index];
@@ -116,7 +159,7 @@ export class VariantSelectorComponent {
 
       if (!options.some((option) => this.sameValue(option.value, values[currentKey]))) {
         const firstOption = options[0];
-        if (firstOption) values[currentKey] = firstOption.value;
+        if (firstOption && this.autoSelectFirst()) values[currentKey] = firstOption.value;
         else delete values[currentKey];
       }
     }
@@ -128,7 +171,11 @@ export class VariantSelectorComponent {
     );
 
     this.selectedValues.set(values);
-    this.selectedVariant.set(matchingVariant?.value ?? null);
+    this.selectedVariant.set(matchingVariant?.id ?? null);
+    this.selectionValuesChange.emit({
+      values: { ...values },
+      selectedVariant: matchingVariant?.id ?? null,
+    });
   }
 
   private optionsFor(variants: VariantSelectorVariant[], key: string): VariantSelectorOption[] {
@@ -151,6 +198,32 @@ export class VariantSelectorComponent {
     return Array.from(options.values());
   }
 
+  private reconcileManualSelection(
+    selectedValues: Record<string, VariantAttributeValue>,
+    variants: VariantSelectorVariant[],
+  ): Record<string, VariantAttributeValue> {
+    const reconciled: Record<string, VariantAttributeValue> = {};
+
+    for (const key of this.attributeKeys()) {
+      const selectedValue = selectedValues[key];
+      if (selectedValue === undefined) break;
+
+      const compatibleVariants = variants.filter((variant) =>
+        Object.entries(reconciled).every(([previousKey, previousValue]) =>
+          this.sameValue(variant.values[previousKey], previousValue),
+        ),
+      );
+      const selectionIsAvailable = this.optionsFor(compatibleVariants, key).some((option) =>
+        this.sameValue(option.value, selectedValue),
+      );
+
+      if (!selectionIsAvailable) break;
+      reconciled[key] = selectedValue;
+    }
+
+    return reconciled;
+  }
+
   private sameValue(
     left: VariantAttributeValue | undefined,
     right: VariantAttributeValue | undefined,