Identify hero results by seat

app/src/main/java/com/jsjdesigns/poker/HandSummary.kt

@@ -11,16 +11,19 @@ import com.jsjdesigns.poker.game.HandResult
  */
 data class HandSummary(
     val handNumber: Int,
-    val winnerNames: List<String>,
+    /** Display labels in the engine's winner order; the human seat is always "You". */
+    val winnerLabels: List<String>,
+    /** Derived from winner seat indices, never from a player-controlled name. */
+    val heroWon: Boolean,
     val potSize: Int,
     val heroNet: Int,
     val wentToShowdown: Boolean,
 ) {
     val title: String
         get() = when {
-            winnerNames.size == 1 && winnerNames.single() == "You" -> "You win"
-            winnerNames.size == 1 -> "${winnerNames.single()} wins"
-            else -> "${winnerNames.joinToString(" & ")} win"
+            winnerLabels.size == 1 && heroWon -> "You win"
+            winnerLabels.size == 1 -> "${winnerLabels.single()} wins"
+            else -> "${winnerLabels.joinToString(" & ")} win"
         }
 
     val detail: String
@@ -47,7 +50,10 @@ fun handSummaryFor(
 
     return HandSummary(
         handNumber = handNumber,
-        winnerNames = result.winners.map(seatNames::get),
+        winnerLabels = result.winners.map { winner ->
+            if (winner == heroSeat) "You" else seatNames[winner]
+        },
+        heroWon = heroSeat in result.winners,
         potSize = result.potSize,
         heroNet = result.net[heroSeat],
         wentToShowdown = result.wentToShowdown,