fix(offline): scope the medal treatment to hotseat only

Per owner: a vs_ai game (one human) keeps its 'you won/lost' status text
AND its lobby medal — the hidden-status + per-seat-medal treatment applies
only to hotseat, where 2-4 local players make a single 'you' meaningless.
isLocalGameId -> game.hotseat at the three call sites (statusBlock, seat
plaque, lobby card).

ui/src/lib/result.ts

@@ -33,8 +33,9 @@ export function resultBadge(game: GameView, myId: string): ResultBadge {
 
 /**
  * seatMedal returns a per-SEAT place emoji for a finished game (empty while it is still in progress),
- * so a local (offline) game can show each player's medal on their plaque instead of a single
- * viewer-centric "you won/lost". The winner takes the trophy; the rest place by score (a draw — no
+ * so a hotseat game can show each player's medal on their plaque instead of a single viewer-centric
+ * "you won/lost" (which is meaningless with 2-4 local players). The winner takes the trophy; the
+ * rest place by score (a draw — no
  * winner — gives every seat the medal). Mirrors the ranking in resultBadge, keyed by seat not viewer.
  */
 export function seatMedal(game: GameView, seat: number): string {