Implement Tleilaxu and Ixian Nexus Cunning with durable private recovery

tests/fixture-nexus-face-dancers.ts

@@ -0,0 +1,22 @@
+import assert from 'node:assert/strict';
+import {
+  nexusTraitorFixture,
+  nexusTraitorInventory,
+} from './fixture-nexus-traitors';
+
+/** The final Tleilaxu roster and physical components come from genuine setup.
+ * Only the conserved held Nexus card and revealed-card checkpoint are staged. */
+export function nexusFaceDancerFixture(revealed = 2) {
+  const g = nexusTraitorFixture({ ownerFaction: 'tleilaxu' });
+  const cards = g.nexusCards!.cards!;
+  const index = cards.deck.indexOf('tleilaxu');
+  assert.ok(index >= 0);
+  assert.equal(cards.hands.p, 'harkonnen');
+  cards.deck[index] = 'harkonnen';
+  cards.hands.p = 'tleilaxu';
+  g.players[0].faceDancers!.forEach((card, i) => {
+    card.revealed = i < revealed;
+  });
+  nexusTraitorInventory(g);
+  return g;
+}