Enable advanced ambassador child arrivals

tests/overlap-child-mode-gate.test.ts

@@ -6,7 +6,7 @@ import { createAmbassadors, placeAmbassador } from '../game/ecaz-ambassadors';
 import { createTerrorState, placeTerror } from '../game/moritani-terror';
 
 /** Controlled Advanced Ecaz/Moritani table with original physical markers.
- * It isolates the pre-existing Advanced overlap gate, not a played setup or
+ * It isolates Advanced overlap availability, not a played setup or
  * an assurance of every optional-module combination. */
 function advancedTable(effect: 'fremen' | 'guild'): Game {
   const game = createGame('OVERLAPADVANCEDGATE', newPlayer('ec','Ecaz','ecaz'), true, ['ecaz']);
@@ -31,16 +31,11 @@ function advancedTable(effect: 'fremen' | 'guild'): Game {
 }
 
 for (const effect of ['fremen','guild'] as const) {
-  void test(`Advanced ${effect} Ambassador child stays gated during overlap`,()=>{
+  void test(`Advanced ${effect} Ambassador child is offered during a native overlap`,()=>{
     const game = applyAction(advancedTable(effect),'in',{type:'ship',territory:'arrakeen',sector:10,amount:2});
     const entry = game.pendingAmbassador; assert.ok(entry);
     assert.equal(game.pendingArrivalOverlap?.first,'ambassador');
-    const blocked = viewGame(game,'ec').ambassadorEntry?.beneficiaries[0].blocked;
-    assert.match(blocked ?? '',/bare Basic faction preview/);
-    const before = structuredClone(game);
-    assert.throws(()=>applyAction(game,'ec',{type:'decision',event:entry.event,trigger:true,beneficiary:'ec'}),
-      /bare Basic faction preview/);
-    assert.deepEqual(game,before);
+    assert.equal(viewGame(game,'ec').ambassadorEntry?.beneficiaries[0].blocked, null);
     let settled = applyAction(game,'ec',{type:'decision',event:entry.event,decline:true});
     assert.equal(settled.pendingTerrorEntry?.entrant,'in');
     settled = applyAction(settled,'m',{type:'decision',decline:true});