Implement Emperor Nexus Cunning with physical casualty recovery

components/battle-promises.tsx

@@ -181,11 +181,13 @@ export function BattlePromises({
               {index + 1}.{' '}
               {action.type === 'nexusSuboids'
                 ? 'Use Ixian Cunning to give Suboids full strength without spice support'
-                : action.mode === 'special'
-                  ? `Spend Karama and discard ${(action.cards as string[]).map(name).join(', ')} to gain ${(action.cards as string[]).length * 3} spice`
-                  : typeof action.leader === 'string'
-                    ? `Play Ghola to revive ${action.leader === 'kwisatz' ? 'Kwisatz Haderach' : name(action.leader)}`
-                    : `Play Ghola to revive ${Number(action.amount)} force${Number(action.amount) === 1 ? '' : 's'}${Number(action.elite) ? `, including ${Number(action.elite)} elite` : ''}`}
+                : action.type === 'nexusSardaukar'
+                  ? 'Declare Emperor Cunning to count five ordinary forces as Sardaukar for this battle'
+                  : action.mode === 'special'
+                    ? `Spend Karama and discard ${(action.cards as string[]).map(name).join(', ')} to gain ${(action.cards as string[]).length * 3} spice`
+                    : typeof action.leader === 'string'
+                      ? `Play Ghola to revive ${action.leader === 'kwisatz' ? 'Kwisatz Haderach' : name(action.leader)}`
+                      : `Play Ghola to revive ${Number(action.amount)} force${Number(action.amount) === 1 ? '' : 's'}${Number(action.elite) ? `, including ${Number(action.elite)} elite` : ''}`}
               .
             </p>
           ))}

components/game-table.tsx

@@ -14,6 +14,7 @@ import { NexusTraitors } from './nexus-traitors';
 import { NexusTleilaxu } from './nexus-tleilaxu';
 import { NexusSuboids } from './nexus-suboids';
 import { NexusAdvisors } from './nexus-advisors';
+import { NexusSardaukar } from './nexus-sardaukar';
 import { TerrorBoardMarkers } from './terror-board-markers';
 import { homeworldRevivalActionBlock } from '@/game/homeworld-revival-deployment-options';
 import { GuildHomeworldShipment } from './guild-homeworld-shipment';
@@ -27,7 +28,7 @@ import {
 } from './homeworld-table';
 import { nativeShipmentSources } from '@/game/homeworld-options';
 import { botBattleChoices } from '@/game/bot-battle-choices';
-import { specialForceName } from '@/game/combat';
+import { specialForceName, maxCombatDial, maxCombatSupport } from '@/game/combat';
 import type { NativeReserveSelections } from '@/game/homeworld-native-reserves';
 import {
   StrongholdCardGallery,
@@ -325,8 +326,7 @@ export function GameTable({
       ? fighterCount(me, g.battle.territory)
       : 0;
   const battleDialMaximum = ownBattleForces
-    ? ownBattleForces.normal * (ownBattleForces.normalFixedHalf ? 0.5 : 1) +
-      ownBattleForces.elite * ownBattleForces.eliteStrength
+    ? maxCombatDial(ownBattleForces)
     : g.advanced || me.faction === 'ixians'
       ? 40
       : battleForces;
@@ -347,10 +347,7 @@ export function GameTable({
   const battleSupportMaximum = Math.min(
     (me.spice ?? 0) + g.aid.available + strongholdBankSupport,
     ownBattleForces
-      ? ownBattleForces.freeSupport
-        ? 0
-        : (ownBattleForces.normalFixedHalf || ownBattleForces.normalFreeSupport ? 0 : ownBattleForces.normal) +
-          (ownBattleForces.eliteFreeSupport ? 0 : ownBattleForces.elite)
+      ? maxCombatSupport(ownBattleForces)
       : Number.POSITIVE_INFINITY,
   );
   const battleSupport = Number.isFinite(support)
@@ -1419,6 +1416,7 @@ export function GameTable({
           <NexusTleilaxu game={g} act={act} busy={transportBusy || !!me.autopilot} />
           <NexusSuboids game={g} act={act} busy={transportBusy || !!me.autopilot} />
           <NexusAdvisors game={g} act={act} busy={busy} />
+          <NexusSardaukar game={g} act={act} busy={busy} />
           {!g.nexusCards?.waiting.length && <TupileIntelligence game={g} act={act} busy={busy} />}
           {g.biddingEnd && <BiddingEnd game={g} act={act} busy={busy} />}
           {g.junctionTransport && [g.junctionTransport.owner, g.junctionTransport.recipient].includes(me.id) && (
@@ -1805,6 +1803,7 @@ export function GameTable({
                     worthlessKarama: 'Worthless card as Karama',
                     advisorFlip: 'Bene Gesserit token flip',
                     nexusAdvisorFlip: 'Bene Gesserit Nexus advisor conversion',
+                    nexusSardaukar: 'Emperor Nexus temporary Sardaukar',
                     eliteStrength: 'Elite battle strength',
                     fremenSupport: 'Fremen full strength without spice',
                     capture: 'Harkonnen leader capture',
@@ -1978,6 +1977,7 @@ export function GameTable({
               {g.response.intent &&
                 g.response.source !== 'ambassador' &&
                 g.response.kind !== 'nexusAdvisorFlip' &&
+                g.response.kind !== 'nexusSardaukar' &&
                 g.response.kind !== 'faceDancerReplacement' && (
                   <p className="notice">{g.response.intent}</p>
                 )}
@@ -4152,6 +4152,11 @@ export function GameTable({
                                 ? `Your concealed No-Field can reveal ${battleForces} physical forces from your current reserves. This estimate is private.`
                                 : `You have ${battleForces} fighting forces here.`}
                             </p>
+                            {!!ownBattleForces?.temporaryElite && (
+                              <p className="notice">
+                                {ownBattleForces.temporaryElite} ordinary counters count as Sardaukar for this battle. Their losses are ordinary counters, not starred Sardaukar.
+                              </p>
+                            )}
                             {ownBattleForces?.normalFreeSupport && (
                               <p className="notice">
                                 Your Suboids fight at full strength without spice support this turn. Spice support here applies only to Cyborgs.

components/nexus-cards.tsx

@@ -118,7 +118,7 @@ export function NexusCards({ game, act, busy }: { game: GameView; act: (action:
       <div>
         <h3>Nexus cards</h3>
         <p className="fine">{offer.deckCount} in deck · {offer.discardCount} discarded · {Object.values(offer.held).filter((held) => held === true).length} held</p>
-        <p>Playable effects include Atreides inspections, Harkonnen exchanges, and Tleilaxu, Ixian and Bene Gesserit Cunning. Use the controls shown at each effect’s timing; other effects remain unavailable.</p>
+        <p>Playable effects include Atreides inspections, Harkonnen exchanges, and Tleilaxu, Ixian, Bene Gesserit and Emperor Cunning. Use the controls shown at each effect’s timing; other effects remain unavailable.</p>
       </div>
       {game.nexusAtreides && offer.card === 'atreides' && (
         <div aria-label="Atreides Nexus effect" className="space-y-2">

components/nexus-sardaukar.tsx

@@ -0,0 +1,63 @@
+'use client';
+
+import type { Action, GameView } from '@/game/engine';
+import { nexusSardaukarAction } from '@/game/nexus-sardaukar-options';
+import { Button } from './ui/button';
+
+type Props = { game: GameView; act: (action: Action) => void; busy: boolean };
+export function NexusSardaukar({ game, act, busy }: Props) {
+  const state = game.nexusSardaukar;
+  if (!state) return null;
+  if (state.pending)
+    return (
+      <section aria-label="Emperor Nexus response" className="notice">
+        <p>
+          {game.players.find((p) => p.id === state.pending!.owner)?.name ??
+            'Emperor'}{' '}
+          declared Cunning. Karama may cancel the entire enhancement before the
+          five counters count as Sardaukar.
+        </p>
+      </section>
+    );
+  if (state.active)
+    return (
+      <section aria-label="Emperor Nexus active" className="notice">
+        <p>
+          Five ordinary Emperor counters count as Sardaukar for this battle.
+          They remain ordinary physical counters; any losses go to the ordinary
+          Tanks.
+        </p>
+      </section>
+    );
+  const offer = state.offer;
+  if (!offer) return null;
+  const action = nexusSardaukarAction(game, offer.event);
+  return (
+    <section
+      aria-label="Emperor Nexus Cunning"
+      className="space-y-3 rounded-lg border border-[#a88b60]/50 p-3"
+    >
+      <h3>Emperor Nexus · Cunning</h3>
+      <p>
+        Count five of your ordinary forces as Sardaukar for this battle. Use
+        this before submitting your plan, with no actual Sardaukar in the
+        battle.
+      </p>
+      <p className="fine">
+        This spends your Nexus card once. Karama may cancel the enhancement. The
+        five counters keep their ordinary physical identity, including when
+        lost.
+      </p>
+      {offer.blocked && <p className="notice">{offer.blocked}</p>}
+      <Button
+        className="game-action min-h-11 whitespace-normal"
+        disabled={busy || !action}
+        onClick={() => {
+          if (!busy && action) act(action);
+        }}
+      >
+        Use five forces as Sardaukar
+      </Button>
+    </section>
+  );
+}