Prepare allied shipment quotes for larger alliances

docs/ALLIED_TRANSIT_RULES.md

@@ -136,6 +136,15 @@ optional arrival compositions are not expanded by the Basic prototype.
 Advanced ordinary physical entry is connected in the follow-up above.
 Refinement of interrupted and mixed-cohort interactions remains later work.
 
+The unexposed three-member alliance foundation can quote a receipt with
+multiple allied witnesses against one physical baseline. It checks current
+allied occupants at turn end, including an ally who arrived after the shipment;
+this online interpretation remains provisional. The native engine currently
+uses the shared receipt and quote only for the existing reciprocal pair.
+Group entry, turn-end handling, controls and remaining alliance effects must
+be connected before three-member play is offered. The unlimited-size alliance
+variant requires separate work beyond the present three-member cap.
+
 **Brief smoke evidence:** paid Basic allied arrival followed by Medium's
 native departure and clean ending; ending without departure removes two
 new visitors while preserving five old counters and the ally's three;

docs/CURRENT_STATUS.md

@@ -25,9 +25,13 @@ A usable preview must connect every group member to native
 alliance consent, movement and battle restrictions, funding, faction ally
 benefits, victory and minimal legal AI. Consent, leaving behavior and shared
 benefit allocation are provisional online conventions. No group option is
-enabled or claimed complete by the standalone foundation. Allied shipment
-receipts and separation still assume a single ally, as do other engine paths.
-The combined related batch passes 189 cases, with types and lint passing.
+enabled or claimed complete by the standalone foundation. The shipment helper
+now models several witnesses and one physical baseline, with the existing pair
+engine using the same quote. Group receipts, separation, Nexus, funding and
+other engine paths still need integration before the option can be offered.
+The separate printed unlimited-size / three-stronghold variant remains missing;
+the current group model deliberately caps membership at three. The combined
+earlier batch passed 189 cases; the shipment batch passed 58 cases.
 
 **Conditional future-battle Truthtrance in Basic Charity — 28 October.
 Prototyped / Partial.** The named-leader question also works in a quiet