Recreated solution with web app template. Improved theme. Switched to ShadcnBlazor library

Moonlight.Api/Http/Controllers/AuthController.cs

@@ -0,0 +1,65 @@
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Moonlight.Shared.Http.Responses.Auth;
+
+namespace Moonlight.Api.Http.Controllers;
+
+[ApiController]
+[Route("api/auth")]
+public class AuthController : Controller
+{
+    private readonly IAuthenticationSchemeProvider SchemeProvider;
+
+    public AuthController(IAuthenticationSchemeProvider schemeProvider)
+    {
+        SchemeProvider = schemeProvider;
+    }
+
+    [HttpGet]
+    public async Task<ActionResult<SchemeResponse[]>> GetSchemesAsync()
+    {
+        var schemes = await SchemeProvider.GetAllSchemesAsync();
+
+        return schemes
+            .Where(scheme => !string.IsNullOrWhiteSpace(scheme.DisplayName))
+            .Select(scheme => new SchemeResponse(scheme.Name, scheme.DisplayName!))
+            .ToArray();
+    }
+
+    [HttpGet("{schemeName:alpha}")]
+    public async Task<ActionResult> StartAsync([FromRoute] string schemeName)
+    {
+        var scheme = await SchemeProvider.GetSchemeAsync(schemeName);
+
+        if (scheme == null || string.IsNullOrWhiteSpace(scheme.DisplayName))
+            return Problem("Invalid authentication scheme name", statusCode: 400);
+
+        return Challenge(new AuthenticationProperties()
+        {
+            RedirectUri = "/"
+        }, scheme.Name);
+    }
+
+    [Authorize]
+    [HttpGet("claims")]
+    public Task<ActionResult<ClaimResponse[]>> GetClaimsAsync()
+    {
+        var result = User.Claims
+            .Select(claim => new ClaimResponse(claim.Type, claim.Value))
+            .ToArray();
+
+        return Task.FromResult<ActionResult<ClaimResponse[]>>(result);
+    }
+
+    [HttpGet("logout")]
+    public Task<ActionResult> LogoutAsync()
+    {
+        return Task.FromResult<ActionResult>(
+            SignOut(new AuthenticationProperties()
+            {
+                RedirectUri = "/"
+            })
+        );
+    }
+}