Добавьте файлы проекта.

PlaylistShared.PWA2123/Pages/AuthCallback.razor

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+@page "/auth-callback"
+@using PlaylistShared.PWA.Services
+@inject NavigationManager Navigation
+@inject AuthStateProvider AuthProvider
+@inject ISnackbar Snackbar
+
+@code {
+    [Parameter] public string? Token { get; set; }
+    [Parameter] public string? RefreshToken { get; set; }
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (!string.IsNullOrEmpty(Token) && !string.IsNullOrEmpty(RefreshToken))
+        {
+            await AuthProvider.MarkUserAsAuthenticated(Token, RefreshToken);
+            Navigation.NavigateTo("/");
+        }
+        else
+        {
+            Snackbar.Add("Ошибка аутентификации через Яндекс", Severity.Error);
+            Navigation.NavigateTo("/login");
+        }
+    }
+}

PlaylistShared.PWA2123/Pages/Authentication.razor

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+@page "/authentication/{action}"
+@using Microsoft.AspNetCore.Components.WebAssembly.Authentication
+<RemoteAuthenticatorView Action="@Action" />
+
+@code{
+    [Parameter] public string? Action { get; set; }
+}

PlaylistShared.PWA2123/Pages/Counter.razor

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+@page "/counter"
+
+<PageTitle>Counter</PageTitle>
+
+<MudText Typo="Typo.h3" GutterBottom="true">Counter</MudText>
+
+<MudText Class="mb-4">Current count: @currentCount</MudText>
+
+<MudButton Color="Color.Primary" Variant="Variant.Filled" @onclick="IncrementCount">Click me</MudButton>
+
+@code {
+    private int currentCount = 0;
+
+    private void IncrementCount()
+    {
+        currentCount++;
+    }
+}

PlaylistShared.PWA2123/Pages/Home.razor

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+@page "/"
+
+<PageTitle>Home</PageTitle>
+
+<MudText Typo="Typo.h3" GutterBottom="true">Hello, world!</MudText>
+<MudText Class="mb-8">Welcome to your new app, powered by MudBlazor and the .NET 10 Template!</MudText>
+
+<MudAlert Severity="Severity.Warning" Variant="Variant.Outlined" Dense="true" Class="mb-6">
+    Before authentication will function correctly, you must configure your provider details in <code>Program.cs</code>.
+</MudAlert>
+
+
+<MudAlert Severity="Severity.Normal" ContentAlignment="HorizontalAlignment.Start">
+    You can find documentation and examples on our website here:
+    <MudLink Href="https://mudblazor.com" Target="_blank" Typo="Typo.body2" Color="Color.Primary">
+        <b>www.mudblazor.com</b>
+    </MudLink>
+</MudAlert>

PlaylistShared.PWA2123/Pages/Login.razor

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+@page "/login"
+@using PlaylistShared.PWA.Services
+@inject NavigationManager Navigation
+@inject AuthStateProvider AuthProvider
+@inject ApiClient ApiClient
+@inject ISnackbar Snackbar
+
+<MudContainer MaxWidth="MaxWidth.Small" Class="mt-16">
+    <MudCard>
+        <MudCardContent Class="text-center">
+            <MudText Typo="Typo.h5" Class="mb-4">Вход в PlaylistShared</MudText>
+
+            <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="LoginWithYandex" StartIcon="@Icons.Custom.Brands.Yandex" FullWidth="true">
+                Войти через Яндекс
+            </MudButton>
+
+            <MudDivider Class="my-4">или</MudDivider>
+
+            <MudTextField Label="Логин" @bind-Value="_username" Variant="Variant.Outlined" FullWidth="true" />
+            <MudTextField Label="Пароль" @bind-Value="_password" InputType="InputType.Password" Variant="Variant.Outlined" FullWidth="true" />
+            <MudButton Variant="Variant.Filled" Color="Color.Secondary" OnClick="LoginWithPassword" FullWidth="true">Войти по паролю</MudButton>
+
+            <MudText Class="mt-4">
+                Нет аккаунта? <MudLink Href="/register">Зарегистрироваться</MudLink>
+            </MudText>
+        </MudCardContent>
+    </MudCard>
+</MudContainer>
+
+@code {
+    private string _username = "";
+    private string _password = "";
+
+    private void LoginWithYandex()
+    {
+        Navigation.NavigateTo("https://localhost:5001/api/externalauth/login-yandex", true);
+    }
+
+    private async Task LoginWithPassword()
+    {
+        var result = await ApiClient.LoginAsync(_username, _password);
+        if (result != null)
+        {
+            await AuthProvider.MarkUserAsAuthenticated(result.Token, result.RefreshToken);
+            Navigation.NavigateTo("/");
+        }
+        else
+        {
+            Snackbar.Add("Неверный логин или пароль", Severity.Error);
+        }
+    }
+}

PlaylistShared.PWA2123/Pages/LoginDisplay.razor

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+@inject NavigationManager Navigation
+
+<AuthorizeView>
+    <Authorized>
+        <MudText Typo="Typo.body2" Class="d-inline mr-2">Hello, @context.User.Identity?.Name!</MudText>
+        <MudButton Variant="Variant.Text" Color="Color.Inherit" OnClick="() => Navigation.NavigateTo("/logout")">Log out</MudButton>
+    </Authorized>
+    <NotAuthorized>
+        <MudLink Href="/login" Color="Color.Inherit" Underline="Underline.Hover" Typo="Typo.body2">Log in</MudLink>
+    </NotAuthorized>
+</AuthorizeView>

PlaylistShared.PWA2123/Pages/Logout.razor

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+@page "/logout"
+@using PlaylistShared.PWA.Services
+@inject AuthStateProvider AuthProvider
+@inject NavigationManager Navigation
+
+@code {
+    protected override async Task OnInitializedAsync()
+    {
+        await AuthProvider.MarkUserAsLoggedOut();
+        Navigation.NavigateTo("/");
+    }
+}

PlaylistShared.PWA2123/Pages/NotFound.razor

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+@page "/not-found"
+@layout MainLayout
+
+<PageTitle>Not Found</PageTitle>
+
+<MudText Typo="Typo.h3" GutterBottom="true">404 - Page Not Found</MudText>
+<MudText Class="mb-8">Sorry, the content you are looking for does not exist.</MudText>
+
+<MudButton Variant="Variant.Filled" Color="Color.Primary" Href="/">Go to Home</MudButton>

PlaylistShared.PWA2123/Pages/Weather.razor

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+@page "/weather"
+@inject HttpClient Http
+
+<PageTitle>Weather</PageTitle>
+
+<MudText Typo="Typo.h3" GutterBottom="true">Weather forecast</MudText>
+<MudText Typo="Typo.body1" Class="mb-8">This component demonstrates fetching data from the server.</MudText>
+
+@if (forecasts == null)
+{
+    <MudProgressCircular Color="Color.Default" Indeterminate="true" />
+}
+else
+{
+    <MudTable Items="forecasts" Hover="true" SortLabel="Sort By" Elevation="0" AllowUnsorted="false">
+        <HeaderContent>
+            <MudTh><MudTableSortLabel InitialDirection="SortDirection.Ascending" SortBy="new Func<WeatherForecast, object>(x => x.Date)">Date</MudTableSortLabel></MudTh>
+            <MudTh><MudTableSortLabel SortBy="new Func<WeatherForecast, object>(x => x.TemperatureC)">Temp. (C)</MudTableSortLabel></MudTh>
+            <MudTh><MudTableSortLabel SortBy="new Func<WeatherForecast, object>(x => x.TemperatureF)">Temp. (F)</MudTableSortLabel></MudTh>
+            <MudTh><MudTableSortLabel SortBy="new Func<WeatherForecast, object>(x => x.Summary!)">Summary</MudTableSortLabel></MudTh>
+        </HeaderContent>
+        <RowTemplate>
+            <MudTd DataLabel="Date">@context.Date</MudTd>
+            <MudTd DataLabel="Temp. (C)">@context.TemperatureC</MudTd>
+            <MudTd DataLabel="Temp. (F)">@context.TemperatureF</MudTd>
+            <MudTd DataLabel="Summary">@context.Summary</MudTd>
+        </RowTemplate>
+        <PagerContent>
+            <MudTablePager PageSizeOptions="new int[] { 50, 100 }" />
+        </PagerContent>
+    </MudTable>
+}
+
+@code {
+    private WeatherForecast[]? forecasts;
+
+    protected override async Task OnInitializedAsync()
+    {
+        forecasts = await Http.GetFromJsonAsync<WeatherForecast[]>("sample-data/weather.json");
+    }
+
+    public class WeatherForecast
+    {
+        public DateOnly Date { get; set; }
+
+        public int TemperatureC { get; set; }
+
+        public string? Summary { get; set; }
+
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+    }
+}