Implement Tleilaxu and Ixian Nexus Cunning with durable private recovery

game/nexus-suboid-options.ts

@@ -0,0 +1,39 @@
+import type { Action, GameView } from './engine';
+
+/** Use only the private current battle offer; the server checks existing
+ * commitments before offering changed Suboid strength/support. */
+export function nexusSuboidsAction(
+  game: GameView,
+  event: string,
+): Action | null {
+  const offer = game.nexusSuboids?.offer;
+  const owner = game.players.find((player) => player.id === game.me);
+  const battle = game.battle;
+  if (
+    game.status !== 'playing' ||
+    game.phase !== 6 ||
+    !owner ||
+    owner.faction !== 'ixians' ||
+    owner.ally ||
+    game.nexusCards?.card !== 'ixians' ||
+    game.truthtrance ||
+    game.nexusCards.waiting.length ||
+    game.nexusTraitors?.pending ||
+    !battle ||
+    ![battle.attacker, battle.defender].includes(owner.id) ||
+    battle.submitted.includes(owner.id) ||
+    game.nexusSuboids?.active ||
+    !offer ||
+    !event ||
+    offer.event !== event ||
+    offer.blocked
+  )
+    return null;
+  return { type: 'nexusSuboids', event };
+}
+
+export function nexusSuboidBotActions(game: GameView): Action[] {
+  const offer = game.nexusSuboids?.offer;
+  const action = offer ? nexusSuboidsAction(game, offer.event) : null;
+  return action ? [action] : [];
+}