Connect group allied transit custody

docs/ALLIED_TRANSIT_RULES.md

@@ -174,14 +174,15 @@ later scoped prototype above.
 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.
+The unexposed three-member alliance foundation can record a receipt with
+multiple allied witnesses against one physical baseline. The native entry,
+warning and visitor-loss paths now use that group-aware quote when a group is
+present, including a concealed zero marker. They check current allied
+occupants at turn end, including an ally who arrived after the shipment; this
+online interpretation remains provisional. Group formation, faction benefits,
+funding, controls and other 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