Implement Tleilaxu and Ixian Nexus Cunning with durable private recovery

tests/nexus-suboid-reachability.test.ts

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+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { applyAction, viewGame, type Game } from '../game/engine';
+import { boostSuboids, suboidFixture } from './fixture-nexus-cunning';
+import { nexusAllow, nexusReload } from './fixture-nexus-cards';
+
+function finishPreparation(state: Game): Game {
+  let g = state;
+  while (g.battle!.preparation)
+    g = applyAction(g, g.battle!.preparation.owner, {
+      type: 'declineBattlePower',
+    });
+  if (g.decision?.kind === 'fullPlanOffer')
+    g = applyAction(g, g.decision.player, { type: 'decision', decline: true });
+  return g;
+}
+
+function submitPromisedDial(state: Game): Game {
+  let g = finishPreparation(boostSuboids(nexusReload(state)));
+  g = applyAction(g, 'p', {
+    type: 'battlePlan',
+    dial: 6,
+    support: 2,
+    leader: g.players.find((p) => p.id === 'p')!.leaders[0].id,
+  });
+  assert.equal(g.battle!.plans.p.dial, 6);
+  assert.equal(g.nexusSuboidHistory!.length, 1);
+  return g;
+}
+
+void test('Truthtrance can promise a dial reachable through the held Ixian Cunning after the answer', () => {
+  let g = suboidFixture();
+  const index = g.deck.findIndex((card) => card.effect === 'truthtrance');
+  assert.ok(index >= 0);
+  const card = g.deck.splice(index, 1)[0];
+  g.players.find((p) => p.id === 'q')!.hand.push(card);
+  g = applyAction(g, 'q', { type: 'card', card: card.id });
+  while (g.truthtrance?.stage === 'priority')
+    g = applyAction(
+      g,
+      g.players.find((p) => !g.truthtrance!.passed.includes(p.id))!.id,
+      { type: 'truthPass' },
+    );
+  g = applyAction(g, 'q', {
+    type: 'truthAsk',
+    question: {
+      kind: 'battlePlan',
+      target: 'p',
+      territory: 'pasty_mesa',
+      claim: { kind: 'dial', compare: 'gte', value: 6 },
+    },
+  });
+  assert.equal(g.nexusCards!.cards!.hands.p, 'ixians');
+  assert.equal(g.nexusSuboidHistory, undefined);
+  g = applyAction(g, 'p', { type: 'truthAnswer', answer: 'yes' });
+  assert.equal(
+    g.nexusSuboidHistory,
+    undefined,
+    'Reachability must not spend the real card',
+  );
+  const done = submitPromisedDial(g);
+  assert.equal(done.battle!.truthPromises![0].answer, true);
+  assert.ok(!done.battle!.truthPromises![0].released);
+});
+
+void test('Prescience can bind a future full-strength Suboid dial without applying the grant during its search', () => {
+  let g = suboidFixture(true, true);
+  g = applyAction(g, 'q', { type: 'prescience', field: 'dial' });
+  g = nexusAllow(g);
+  g = applyAction(g, 'p', { type: 'prescienceAnswer', value: 6 });
+  assert.equal(g.battle!.prescience!.value, 6);
+  assert.equal(g.nexusSuboidHistory, undefined);
+  assert.equal(viewGame(g, 'p').nexusSuboids!.active, false);
+  const done = submitPromisedDial(g);
+  assert.equal(done.battle!.prescience!.value, 6);
+});