Support staged group Guild transport

game/transport-quote.ts

@@ -3,7 +3,7 @@ import { nexusGuildSecretAllyCanAct } from './nexus-guild-secret-ally-options';
 import type { Action, GameView } from './engine';
 import { splitLocation, validGameLocation } from './board';
 import { botEntryAllowed, guildTransportCost } from './bot-mobility';
-import { shipmentPaymentBounds } from './shipment-price';
+import { groupGuildShipmentRate, shipmentPaymentBounds } from './shipment-price';
 import { quoteAdvisorTransportMatching, AdvisorTransportMatchingError } from './advisor-transport-matching';
 import { guildNoFieldSelection } from './guild-no-field-selection';
 import { isBoardNoFieldLocation } from './richese-no-field';
@@ -176,6 +176,7 @@ export function guildTransportQuote(g: GameView, action: Action) {
     !(
       nexusAllowed ||
       p.faction === 'guild' ||
+      !!g.coalitionFunding && groupGuildShipmentRate(g.players, p.id, g.coalitionState) ||
       g.players.some((seat) => seat.id === p.ally && seat.faction === 'guild')
     )
   )
@@ -192,15 +193,32 @@ export function guildTransportQuote(g: GameView, action: Action) {
         )
       : null;
   const ownSpice = p.spice ?? 0;
-  const pledgedSpice = g.aid.available;
+  const groupShares = action.coalitionContributions;
+  const incoming = g.coalitionFunding?.incoming ?? [];
+  const pledgedSpice = groupShares === undefined ? g.aid.available : incoming.reduce((sum, entry) => sum + entry.amount, 0);
   const { minimum } = shipmentPaymentBounds(cost ?? 0, ownSpice, pledgedSpice);
-  const share = action.allyPayment ?? minimum;
+  let groupShareValid = groupShares === undefined;
+  let groupShareTotal = 0;
+  if (groupShares !== undefined && Array.isArray(groupShares) && g.coalitionFunding) {
+    const seen = new Set<string>();
+    groupShareValid = groupShares.every((entry: unknown) => {
+      if (!entry || typeof entry !== 'object' || Array.isArray(entry)) return false;
+      const share = entry as {donor?: unknown; amount?: unknown};
+      const pledged = incoming.find(item => item.donor === share.donor);
+      if (typeof share.donor !== 'string' || seen.has(share.donor) || !pledged ||
+        typeof share.amount !== 'number' || !Number.isSafeInteger(share.amount) ||
+        share.amount <= 0 || share.amount > pledged.amount) return false;
+      seen.add(share.donor); groupShareTotal += share.amount; return Number.isSafeInteger(groupShareTotal);
+    });
+  }
+  const share = groupShares === undefined ? action.allyPayment ?? minimum : groupShareTotal;
   const validShare =
     cost !== null &&
     typeof share === 'number' &&
     Number.isSafeInteger(share) &&
     share >= 0 &&
-    share <= cost;
+    share <= cost && groupShareValid && (groupShares === undefined || !nexus && !namesNoField &&
+      (action.allyPayment === undefined || action.allyPayment === 0));
   if (cost !== null) {
     if (!validShare)
       unavailableReasons.push(