Preserve Emperor gift opportunity before bot Extortion

tests/emperor-extortion-bot-priority-fixture.ts

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+import assert from 'node:assert/strict';
+import { applyAction, createGame, joinGame, newPlayer, type Action, type Game } from '../game/engine';
+import { territory } from '../game/board';
+import { placeTerror } from '../game/moritani-terror';
+import { nextStrongholdFactionsNativeStep } from './fixture-stronghold-factions';
+
+export const extortionSeat = (game: Game, id: string) => {
+  const player = game.players.find(row => row.id === id); assert.ok(player); return player;
+};
+export const extortionAct = (game: Game, id: string, action: Action) => applyAction(game, id, action);
+export function extortionEvent(game: Game): string {
+  assert.ok(game.decision?.kind === 'moritaniExtortion');
+  return game.decision.event;
+}
+export function extortionPayment(game: Game, pay: boolean): Action {
+  return {type:'decision', event:extortionEvent(game), pay};
+}
+export function finishExtortionGiftResponse(game: Game): Game {
+  for (let count = 0; game.response && count < 30; count++) {
+    const responder = game.players.find(player => !game.response!.passed.includes(player.id)); assert.ok(responder);
+    game = extortionAct(game, responder.id, {type:'passResponse'});
+  }
+  assert.equal(game.response, null);
+  return game;
+}
+
+/** A fresh public E3 Basic/Advanced start, genuine setup, shipment and Terror
+ * revelation. The alliance, movement boundary, token placement and wallets are
+ * staged; the original Extortion owner and subsequent choices are real. */
+export function createExtortionBotPriority(advanced: boolean,
+  options: {unallied?: boolean; emperorSpice?: number; autopilot?: boolean} = {}) {
+  let game = createGame('EXTORTIONBOTPRIORITY', newPlayer('m', 'Moritani', 'moritani'), advanced, ['ecaz']);
+  for (const [id, name, faction] of [['e','Emperor','emperor'], ['a','Atreides','atreides'],
+    ['h','Harkonnen','harkonnen']] as const) joinGame(game, newPlayer(id, name, faction));
+  for (const player of game.players) game = extortionAct(game, player.id, {type:'ready'});
+  game = extortionAct(game, 'm', advanced ? {type:'start', advancedPreview:true} : {type:'start'});
+  for (let count = 0; game.status === 'setup' && count < 100; count++) {
+    if (game.decision?.kind === 'moritaniSetup') game = extortionAct(game, 'm',
+      {type:'decision', territory:'sietch_tabr', sector:territory('sietch_tabr').sectors[0]});
+    else {
+      const step = nextStrongholdFactionsNativeStep(game); assert.ok(step);
+      game = extortionAct(game, step.actor, step.action);
+    }
+  }
+  assert.equal(game.status, 'playing');
+  if (!options.unallied) { extortionSeat(game, 'e').ally = 'a'; extortionSeat(game, 'a').ally = 'e'; }
+  const token = game.moritaniTerror!.tokens.find(row => row.kind === 'extortion'); assert.ok(token);
+  game.moritaniTerror = placeTerror(game.moritaniTerror!, token.id, 'habbanya_ridge_sietch', 1);
+  Object.assign(game, {phase:5, turn:2, storm:18, order:['e','a','h','m'], active:'e',
+    movementRemaining:['e','a','h','m'], response:null, decision:null, phaseOpening:null, ready:[]});
+  extortionSeat(game, 'e').spice = 10; extortionSeat(game, 'a').spice = 2;
+  const harkonnen = extortionSeat(game, 'h');
+  let card = harkonnen.hand.find(row => row.effect === 'karama');
+  if (!card) {
+    const sourceOwner = game.players.find(player => player.id !== 'h' && player.hand.some(row => row.effect === 'karama'));
+    const source = sourceOwner?.hand ?? game.deck, index = source.findIndex(row => row.effect === 'karama');
+    assert.ok(index >= 0); [card] = source.splice(index, 1); harkonnen.hand.push(card);
+  }
+  const karama = card.id;
+  game = extortionAct(game, 'e', {type:'ship', territory:'habbanya_ridge_sietch', sector:17, amount:1});
+  assert.equal(game.decision?.kind, 'moritaniTerror');
+  game = extortionAct(game, 'm', {type:'decision', reveal:true});
+  game.phase = 7; game.ready = [];
+  for (const player of game.players) game = extortionAct(game, player.id, {type:'ready'});
+  assert.equal(game.phase, 8);
+  assert.equal(game.decision?.kind, 'moritaniPlacement');
+  game = extortionAct(game, 'm', {type:'decision', decline:true});
+  assert.equal(game.decision?.kind, 'moritaniExtortion');
+  assert.equal(game.decision?.player, 'e');
+  if (options.autopilot) extortionSeat(game, 'a').autopilot = 'Easy';
+  else extortionSeat(game, 'a').bot = 'Easy';
+  if (options.emperorSpice !== undefined) extortionSeat(game, 'e').spice = options.emperorSpice;
+  game = extortionAct(game, 'e', extortionPayment(game, false));
+  assert.equal(game.decision?.kind, 'moritaniExtortion');
+  assert.equal(game.decision?.player, 'a');
+  return {game, token:token.id, karama};
+}