Connect Kull bid answers and group transport

components/roster-alliance.tsx

@@ -0,0 +1,23 @@
+'use client';
+
+import { faction } from '@/game/catalog';
+import { coalitionAllies } from '@/game/coalition-alliance';
+import type { GameView } from '@/game/engine';
+
+/** Alliance membership is public; a staged larger alliance has no scalar
+ * player.ally value, so use its authoritative public membership ledger. */
+export function RosterAlliance({game, playerId}: {
+  game: Pick<GameView, 'players' | 'coalitionState'>;
+  playerId: string;
+}) {
+  const player = game.players.find(seat => seat.id === playerId);
+  if (!player) return null;
+  const ids = game.coalitionState
+    ? coalitionAllies(game.players, game.coalitionState, playerId)
+    : player.ally ? [player.ally] : [];
+  const names = ids.flatMap(id => {
+    const ally = game.players.find(seat => seat.id === id);
+    return ally ? [faction(ally.faction).name] : [];
+  });
+  return names.length ? <div className="fine">Allied with {names.join(' and ')}</div> : null;
+}