QuantEngineByItz/src/dotnet/QuantEngine.Web/Client/Program.cs

using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.AspNetCore.Components.Authorization;
using QuantEngine.Web.Client.Services;
using QuantEngine.Web.Client.Infrastructure;
using MudBlazor.Services;

var builder = WebAssemblyHostBuilder.CreateDefault(args);

// Register LocalStorage for cross-platform session persistence
builder.Services.AddScoped<LocalStorageService>();

// App State Service (RBAC & global state management)
builder.Services.AddScoped<AppStateService>();

// Authentication setup in WebAssembly client
builder.Services.AddAuthorizationCore();
builder.Services.AddCascadingAuthenticationState();
builder.Services.AddScoped<AuthenticationStateProvider, CustomAuthenticationStateProvider>();

// MudBlazor Services (CRITICAL: Required for Interactive WebAssembly)
builder.Services.AddMudServices();

// HttpClient register (API-First standard)
builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
builder.Services.AddScoped<ApiClient>();

await builder.Build().RunAsync();