improved theming, error handling, table sort

TanksServer/Models/Scores.cs

@@ -5,4 +5,16 @@ internal sealed record class Scores(int Kills = 0, int Deaths = 0)
     public int Kills { get; set; } = Kills;
 
     public int Deaths { get; set; } = Deaths;
+
+    public double Ratio
+    {
+        get
+        {
+            if (Kills == 0)
+                return 0;
+            if (Deaths == 0)
+                return Kills;
+            return Kills / (double)Deaths;
+        }
+    }
 }

TanksServer/Program.cs

@@ -32,6 +32,8 @@ public static class Program
             name = name.Trim().ToUpperInvariant();
             if (name == string.Empty)
                 return Results.BadRequest("name cannot be blank");
+            if (name.Length > 12)
+                return Results.BadRequest("name too long");
 
             var player = playerService.GetOrAdd(name, id);
             return player != null
@@ -53,7 +55,7 @@ public static class Program
 
             using var ws = await context.WebSockets.AcceptWebSocketAsync();
             await clientScreenServer.HandleClient(ws);
-            return null;
+            return Results.Empty;
         });
 
         app.Map("/controls", async (HttpContext context, [FromQuery] Guid playerId) =>
@@ -66,7 +68,7 @@ public static class Program
 
             using var ws = await context.WebSockets.AcceptWebSocketAsync();
             await controlsServer.HandleClient(ws, player);
-            return null;
+            return Results.Empty;
         });
 
         app.Run();