Connect Emperor Nexus compulsory funding to native auction settlement

components/game-table.tsx

@@ -236,6 +236,7 @@ import { MoritaniRetention } from './moritani-retention';
 import { MoritaniAssassinate, MoritaniAssassinateHistory } from './moritani-assassinate';
 import { MoritaniExtortion, MoritaniExtortionNotice } from './moritani-extortion';
 import { AdvancedAllySeparation } from './advanced-ally-separation';
+import { NexusEmperorPayment } from './nexus-emperor-payment';
 export function GameTable({
   game: g,
   send,
@@ -3504,6 +3505,8 @@ export function GameTable({
                     </div>
                   ))}
                 </>
+              ) : g.decision.kind === 'nexusEmperorPayment' ? (
+                <NexusEmperorPayment game={g} send={act} busy={transportBusy || !!g.roomControl?.paused || !!g.roomControl?.closed || !!me.autopilot} />
               ) : g.decision.kind === 'auctionPayment' ? (
                 <>
                   <p className="muted">

components/nexus-emperor-payment.tsx

@@ -0,0 +1,47 @@
+'use client';
+
+import type { Action, GameView } from '@/game/engine';
+import { Button } from './ui/button';
+
+export function NexusEmperorPayment({ game, send, busy }: {
+  game: GameView;
+  send: (action: Action) => void;
+  busy: boolean;
+}) {
+  const decision = game.decision;
+  if (decision?.kind !== 'nexusEmperorPayment' || decision.player !== game.me) return null;
+  const own = game.players.find(player => player.id === game.me);
+  const offer = game.nexusEmperorPayment;
+  const emperor = offer && game.players.find(player => player.id === offer.emperor);
+  const winner = offer && game.players.find(player => player.id === offer.winner);
+  const disabled = busy || game.status !== 'playing' || game.phase !== 3 ||
+    game.automaticContinuationPending || !!game.phaseOpening || !!game.response ||
+    !!game.truthtrance || !!game.nexusTraitors?.pending ||
+    !!game.roomControl?.paused || !!game.roomControl?.closed || !!own?.autopilot;
+  const canUse = !!offer && offer.event === decision.event && offer.canUse && !offer.blocked;
+
+  return (
+    <section aria-label="Auction payment acknowledgement" className="notice min-w-0 space-y-3 break-words">
+      <h3>Auction payment acknowledgement</h3>
+      <p>Continue to allow the original winning bid to proceed. Every publicly possible unallied Nexus holder
+        acknowledges this payment, regardless of their private card.</p>
+      {offer && <>
+        <h4>Emperor Nexus · Betrayal</h4>
+        <p>Force {emperor?.name ?? offer.emperor} to cover the full {offer.price}-spice price of
+          {' '}{winner?.name ?? offer.winner}’s original winning Treachery Card bid.</p>
+        <p className="fine">Provisional interpretation, not a publisher ruling:
+          {' '}{offer.policy} Your Nexus Card is spent. The buyer keeps their own spice.
+          Original Emperor income may still be canceled without refunding the funded purchase.</p>
+        {offer.blocked && <output className="fine block">{offer.blocked}</output>}
+      </>}
+      <Button className="game-action min-h-11 whitespace-normal" disabled={disabled}
+        onClick={() => { if (!disabled) send({ type: 'nexusEmperorPayment', event: decision.event, use: false }); }}>
+        Continue
+      </Button>
+      {canUse && <Button className="game-action min-h-11 whitespace-normal" disabled={disabled}
+        onClick={() => { if (!disabled) send({ type: 'nexusEmperorPayment', event: decision.event, use: true }); }}>
+        Use Emperor Nexus · force full-price payment
+      </Button>}
+    </section>
+  );
+}