Implement bounded Richese Nexus Betrayal auctions

components/game-table.tsx

@@ -78,6 +78,7 @@ import { SukGraduatePanel } from './suk-graduate';
 import { NullentropyBox, NullentropySearch } from './nullentropy-box';
 import { SemutaReaction } from './semuta-reaction';
 import { ChoamKull } from './choam-kull';
+import { NexusRicheseBetrayal } from './nexus-richese-betrayal';
 import { OrnithopterMovement } from './ornithopter-movement';
 import { DiscoveryOrnithopterMovement } from './discovery-flight-movement';
 import { PlanetologistMovement } from './planetologist-movement';
@@ -301,8 +302,8 @@ export function GameTable({
   );
   const reactionBusy =
     transportBusy || !!g.roomControl?.paused || !!g.roomControl?.closed || !!me.autopilot;
-  const busy = reactionBusy || g.automaticContinuationPending || !!g.semutaReaction || !!g.kullReaction;
-  const kullOwnsControls = !!g.kullReaction || !!g.kullCounterEvent;
+  const busy = reactionBusy || g.automaticContinuationPending || !!g.semutaReaction || !!g.kullReaction || !!g.richeseBetrayalReaction;
+  const reactionOwnsControls = !!g.kullReaction || !!g.kullCounterEvent || !!g.richeseBetrayalReaction;
   const canActivateKarama = (card: Card) =>
     !g.karamaBlocked && canUseAsKaramaRole(g, me, card);
   const traitorBattle = g.battle;
@@ -1008,6 +1009,8 @@ export function GameTable({
                       faction(g.players.find((p) => p.id === id)!.faction).name,
                   )
                   .join(' + ') || 'No winner'
+              : g.richeseBetrayalReaction
+                ? 'Richese auction acknowledgement'
               : g.kullReaction
                 ? 'CHOAM Karama response'
               : g.semutaReaction
@@ -1035,6 +1038,14 @@ export function GameTable({
           <a href="/rules?topic=choam-kull#choam-kull">Preview rules and limits</a>
         </p>
       )}
+      {g.richeseBetrayalPreview && (
+        <p className="notice" role="status">
+          Richese Nexus Betrayal development preview · public cache self-purchase
+          veto and ordinary other-buyer sale diversion only; not complete Richese
+          or certified Nexus rules.{' '}
+          <a href="/rules?topic=nexus-richese-betrayal#nexus-richese-betrayal">Preview rules and limits</a>
+        </p>
+      )}
       {g.status !== 'lobby' && (
         <nav className="phase-track" aria-label="Turn phases">
           {PHASES.map((p, i) => (
@@ -1630,9 +1641,9 @@ export function GameTable({
           </div>
           {g.battle?.revealed && <a className="battle-display-link" href="#revealed-battle-plans">Compare revealed battle plans</a>}
           <PrivateBattlePlan game={g} />
-          {!kullOwnsControls && g.semutaReaction && <SemutaReaction game={g} act={act} busy={reactionBusy} />}
+          {!reactionOwnsControls && g.semutaReaction && <SemutaReaction game={g} act={act} busy={reactionBusy} />}
           {g.karamaBlocked && <p className="notice" role="status">{g.karamaBlocked}</p>}
-          {!kullOwnsControls && <>
+          {!reactionOwnsControls && <>
           <NexusCards game={g} act={act} busy={busy} />
           <Recruits game={g} act={act} busy={busy} />
           <NexusTraitors game={g} act={act} busy={transportBusy || (!!g.roomControl?.paused || !!g.roomControl?.closed) || !!me.autopilot} />
@@ -1673,7 +1684,9 @@ export function GameTable({
             onSectorChange={setSector}
           />
           </>}
-          {g.kullReaction ? (
+          {g.richeseBetrayalReaction ? (
+            <NexusRicheseBetrayal game={g} act={act} busy={reactionBusy} />
+          ) : g.kullReaction ? (
             <ChoamKull game={g} act={act} busy={reactionBusy} />
           ) : g.nexusCards?.waiting.length ? (
             <p className="muted">The next phase begins when the remaining Nexus card choices are finished.</p>
@@ -5083,7 +5096,7 @@ export function GameTable({
             : ' · Flips at the next Mentat Pause'}
         </p>
       )}
-      {!kullOwnsControls && <Bribes game={g} act={act} busy={busy} />}
+      {!reactionOwnsControls && <Bribes game={g} act={act} busy={busy} />}
       <TruthHistory game={g} />
       <HarkonnenExchangeInspection game={g} />
       <section className="player-console">
@@ -5105,7 +5118,7 @@ export function GameTable({
             </button>
           ))}
         </nav>
-        {panel === 'hand' && kullOwnsControls ? (
+        {panel === 'hand' && reactionOwnsControls ? (
           <HandBrowser key={`${g.code}:${me.id}`} cards={me.hand ?? []} empty={<p className="muted">Your Treachery hand is empty.</p>}>
             {(card) => (
               <article className="treachery-card" key={card.id}>

components/nexus-richese-betrayal.tsx

@@ -0,0 +1,70 @@
+'use client';
+
+import type { Action, GameView } from '@/game/engine';
+import { CardInspector, CardRules } from './card-inspector';
+import { NexusCardFace } from './nexus-cards';
+import { Button } from './ui/button';
+
+export function NexusRicheseBetrayal({ game, act, busy }: {
+  game: GameView;
+  act: (action: Action) => void;
+  busy: boolean;
+}) {
+  const reaction = game.richeseBetrayalReaction;
+  if (!reaction) return null;
+  const target = game.players.find((player) => player.id === reaction.target);
+  const buyer = game.players.find((player) => player.id === reaction.buyer);
+  const canRespond = reaction.canPass && !reaction.hasPassed;
+  const canUse = canRespond && reaction.canUse && !reaction.blocked;
+  const disabled = busy || game.status !== 'playing';
+  // The receipt grants no card-face entitlement. Only the already-public cache
+  // face is shown; a Black Market face is never inferred from a seller's hand.
+  const card = reaction.source === 'cache' && game.richeseAuction?.source === 'cache'
+    ? game.richeseAuction.card
+    : null;
+
+  return (
+    <section aria-label="Richese Nexus Betrayal response" className="notice min-w-0 space-y-3">
+      <h3>Richese Nexus Betrayal · before payment</h3>
+      <p>
+        {buyer?.name ?? 'The buyer'} won {reaction.source === 'cache' ? 'the public cache lot' : 'the concealed Black Market lot'} for {reaction.price} spice.
+        {reaction.kind === 'purchase'
+          ? ` ${target?.name ?? 'Richese'} is buying its own cache card. Betrayal discards that card without payment or delivery.`
+          : ` Payment would go to ${target?.name ?? 'Richese'}. Betrayal sends the same payment to the Spice Bank instead; the buyer still receives the card.`}
+      </p>
+      {card && <div className="space-y-2"><CardRules card={card} /><CardInspector card={card} /></div>}
+      {reaction.source === 'blackMarket' && <p>The card remains face down; this response does not grant inspection.</p>}
+      <p className="fine">
+        Every publicly possible unallied responder acknowledges this boundary, regardless of their secret Nexus identity.
+        Passing continues the original auction after all required acknowledgements; no payment or acquisition has happened yet.{' '}
+        <a href="/rules?topic=nexus-richese-betrayal#nexus-richese-betrayal">Betrayal timing and preview limits</a>
+      </p>
+      {!canRespond ? (
+        <p aria-live="polite">{reaction.hasPassed ? 'You have passed. Waiting for the remaining acknowledgements.' : 'Waiting for the required acknowledgements.'}</p>
+      ) : (
+        <>
+          {reaction.blocked && <p className="fine">{reaction.blocked}</p>}
+          <Button
+            className="game-action min-h-11 whitespace-normal"
+            disabled={disabled}
+            onClick={() => { if (!disabled) act({ type: 'richeseBetrayalPass', event: reaction.event }); }}
+          >
+            Pass · allow the original purchase
+          </Button>
+          {canUse && (
+            <div className="space-y-3">
+              {game.nexusCards?.card === 'richese' && <NexusCardFace card="richese" mode="betrayal" />}
+              <Button
+                className="game-action min-h-11 whitespace-normal"
+                disabled={disabled}
+                onClick={() => { if (!disabled) act({ type: 'richeseBetrayalUse', event: reaction.event }); }}
+              >
+                {reaction.kind === 'purchase' ? 'Use Richese Nexus · discard purchase without payment' : 'Use Richese Nexus · divert payment to Spice Bank'}
+              </Button>
+            </div>
+          )}
+        </>
+      )}
+    </section>
+  );
+}