Replace custom socket implementation with SignalR.

Replace MSAL and custom cookie auth with Microsoft.Identity.EntityFramework
Also some UI redesign to accommodate different login experience.

Shogi.UI/Shared/LocalStorage.cs

@@ -2,50 +2,49 @@
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace Shogi.UI.Shared
+namespace Shogi.UI.Shared;
+
+public class LocalStorage : ILocalStorage
 {
-	public class LocalStorage : ILocalStorage
+	private readonly JsonSerializerOptions jsonOptions;
+	private readonly IJSRuntime jSRuntime;
+
+	public LocalStorage(IJSRuntime jSRuntime)
 	{
-		private readonly JsonSerializerOptions jsonOptions;
-		private readonly IJSRuntime jSRuntime;
+		this.jsonOptions = new JsonSerializerOptions();
+		this.jsonOptions.Converters.Add(new JsonStringEnumConverter());
+		this.jSRuntime = jSRuntime;
+	}
 
-		public LocalStorage(IJSRuntime jSRuntime)
+	public ValueTask Set<T>(string key, T value)
+	{
+		var serialized = JsonSerializer.Serialize(value);
+		return this.jSRuntime.InvokeVoidAsync("localStorage.setItem", key, serialized);
+	}
+
+	public async ValueTask<T?> Get<T>(string key) where T : struct
+	{
+
+		var value = await this.jSRuntime.InvokeAsync<string>("localStorage.getItem", key);
+		try
 		{
-			jsonOptions = new JsonSerializerOptions();
-			jsonOptions.Converters.Add(new JsonStringEnumConverter());
-			this.jSRuntime = jSRuntime;
+			return JsonSerializer.Deserialize<T>(value, this.jsonOptions);
 		}
-
-		public ValueTask Set<T>(string key, T value)
+		catch (ArgumentNullException)
 		{
-			var serialized = JsonSerializer.Serialize(value);
-			return jSRuntime.InvokeVoidAsync("localStorage.setItem", key, serialized);
-		}
-
-		public async ValueTask<T?> Get<T>(string key) where T : struct
-		{
-
-			var value = await jSRuntime.InvokeAsync<string>("localStorage.getItem", key);
-			try
-			{
-				return JsonSerializer.Deserialize<T>(value, jsonOptions);
-			}
-			catch (ArgumentNullException)
-			{
-				return default;
-			}
-		}
-
-		public ValueTask Delete(string key)
-		{
-			return jSRuntime.InvokeVoidAsync("localStorage.removeItem", key);
+			return default;
 		}
 	}
 
-	public interface ILocalStorage
+	public ValueTask Delete(string key)
 	{
-		ValueTask Delete(string key);
-		ValueTask<T?> Get<T>(string key) where T : struct;
-		ValueTask Set<T>(string key, T value);
+		return this.jSRuntime.InvokeVoidAsync("localStorage.removeItem", key);
 	}
 }
+
+public interface ILocalStorage
+{
+	ValueTask Delete(string key);
+	ValueTask<T?> Get<T>(string key) where T : struct;
+	ValueTask Set<T>(string key, T value);
+}