Add player onboarding and tactical viewer updates

apps/backend/Auth/Api/GetRacesHandler.cs

@@ -0,0 +1,22 @@
+using FastEndpoints;
+using SpaceGame.Api.Universe.Bootstrap;
+
+namespace SpaceGame.Api.Auth.Api;
+
+public sealed class GetRacesHandler(IStaticDataProvider staticData) : EndpointWithoutRequest<IReadOnlyList<RaceSnapshot>>
+{
+    public override void Configure()
+    {
+        Get("/api/auth/races");
+        AllowAnonymous();
+    }
+
+    public override async Task HandleAsync(CancellationToken cancellationToken)
+    {
+        var races = staticData.RaceDefinitions.Values
+          .OrderBy(race => race.Name, StringComparer.Ordinal)
+          .Select(race => new RaceSnapshot(race.Id, race.Name, race.Description, race.Icon))
+          .ToList();
+        await SendOkAsync(races, cancellationToken);
+    }
+}