Add per-user phase navigation with results toggle

Domain/AppState.cs

@@ -3,6 +3,6 @@ namespace GameList.Domain;
 public class AppState
 {
     public int Id { get; set; } = 1;
-    public Phase CurrentPhase { get; set; } = Phase.Suggest;
+    public bool ResultsOpen { get; set; }
     public DateTimeOffset UpdatedAt { get; set; } = DateTimeOffset.UnixEpoch;
 }

Domain/Player.cs

@@ -20,6 +20,7 @@ public class Player
 
     public DateTimeOffset? LastLoginAt { get; set; }
     public bool IsAdmin { get; set; }
+    public Phase CurrentPhase { get; set; } = Phase.Suggest;
 
     public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;