Enable advanced ambassador child arrivals

game/engine.ts

@@ -25068,8 +25068,8 @@ function ambassadorEffectBlock(
   entrant: Player,
 ): string | null {
   if (g.pendingArrivalOverlap && (effect === 'fremen' || effect === 'guild') &&
-      !bareBasicNativeArrivalOverlap(g))
-    return 'This overlapping Ambassador-created arrival is available in the supported Basic faction and independent-card previews.';
+      !bareBasicNativeArrivalOverlap(g) && !bareAdvancedNativeArrivalOverlap(g))
+    return 'This overlapping Ambassador-created arrival is available in supported native faction previews.';
   if (!implementedAmbassadorEffects.includes(effect))
     return 'This Ambassador effect is still being implemented.';
   if (effect === 'ecaz') {
@@ -28168,6 +28168,7 @@ function decideTerror(g: Game, p: Player, action: Action) {
     const revivalArrival: RevivalEntryParent | undefined = amount > 0 && entry.revivalArrival
       ? {event:entry.revivalArrival.event,terror:{event:entry.entrySignature!,owner:p.id,
         territory:entry.territory,sector:entry.sector,amount,elite:0}} : undefined;
+    const advancedNativeOverlap = g.advanced && bareAdvancedNativeArrivalOverlap(g) && !!g.pendingArrivalOverlap;
     if (caladan) (g.homeworldVictoryReinforcement!.terrorArrivals ??= []).push(caladan.receipt);
     finishTerrorEntry(g);
     if (caladan) {
@@ -28184,8 +28185,8 @@ function decideTerror(g: Game, p: Player, action: Action) {
         phase:g.phase,revivalArrival,revivalSneakAdvisor:true});
       return;
     }
-    if (amount > 0 && !g.advanced && (g.pendingArrivalOverlap || g.pendingAmbassador || g.pendingTerrorEntry ||
-      g.response || g.decision)) {
+    if (amount > 0 && (advancedNativeOverlap || !g.advanced &&
+      (g.pendingArrivalOverlap || g.pendingAmbassador || g.pendingTerrorEntry || g.response || g.decision))) {
       // The child may have opened the original Terror decision. Let it finish
       // before offering advisor reactions for this already-committed group.
       (g.pendingArrivalReaction ??= []).push({entrant:p.id,territory:entry.territory,