Allow selective mobile stronghold spice collection

game/engine.ts

@@ -2341,6 +2341,7 @@ export type Game = {
     player: string;
     route: string[];
     collect: boolean;
+    collections?: MobileCollection[];
     sandmasterPiles?: string[];
   } | null;
   revivalRules?: RevivalRules;
@@ -37858,9 +37859,32 @@ function validateMobileMove(g: Game, p: Player, input: unknown, max: number) {
   );
   return route;
 }
+type MobileCollection = { location: string; amount: number };
+/** Quote each route occurrence against the remaining physical pile after any
+ * Sandmaster collection. Absent selections retain the older automatic route. */
+function quoteMobileCollections(g: Game, p: Player, route: string[], input: unknown,
+  collect: boolean, skillPiles: readonly string[]): MobileCollection[] | undefined {
+  if (input === undefined) return undefined;
+  requireRule(Array.isArray(input) && input.length === route.length,
+    'Choose a spice amount for every sector in the stronghold route.');
+  const remaining = { ...g.spice };
+  for (const pile of skillPiles) remaining[pile] = (remaining[pile] ?? 0) - 1;
+  return input.map((entry: unknown, index: number) => {
+    requireRule(entry && typeof entry === 'object' && !Array.isArray(entry),
+      'Choose a valid spice amount for each route sector.');
+    const item = entry as Record<string, unknown>, key = route[index];
+    const available = Math.max(0, remaining[key] ?? 0);
+    requireRule(Object.keys(item).sort().join(',') === 'amount,location' && item.location === key &&
+      typeof item.amount === 'number' && Number.isSafeInteger(item.amount) && item.amount >= 0 &&
+      item.amount <= (collect ? Math.min(available, at(p, MOBILE_STRONGHOLD) * 2) : 0),
+    'Choose an available spice amount within the stronghold forces’ collection limit for each route sector.');
+    remaining[key] = available - item.amount;
+    return { location: key, amount: item.amount };
+  });
+}
 function relocateMobileStronghold(
   g: Game,
-  move: { player: string; route: string[]; collect: boolean; sandmasterPiles?: string[] },
+  move: { player: string; route: string[]; collect: boolean; collections?: MobileCollection[]; sandmasterPiles?: string[] },
 ) {
   const p = getPlayer(g, move.player);
   const blocked = homeworldRule(() => homeworldMobileStrongholdMovementBlock(g, p.id));
@@ -37870,6 +37894,7 @@ function relocateMobileStronghold(
     : sandmasterLeader(g, p.id)
       ? Object.values(sandmasterCollectionPiles(g, { interior: move.route })).filter(piles => piles.length === 1).map(piles => piles[0])
       : [];
+  const collections = quoteMobileCollections(g, p, move.route, move.collections, move.collect, skillPiles);
   let collected = 0;
   if (move.collect) {
     // User ruling 7 October 2026: passengers remaining inside a relocated HMS
@@ -37887,8 +37912,8 @@ function relocateMobileStronghold(
           { faction: p.faction, name: 'Sandmaster collection' },
         );
       }
-    for (const key of move.route) {
-      const amount = Math.min(g.spice[key] ?? 0, at(p, MOBILE_STRONGHOLD) * 2);
+    for (const [index, key] of move.route.entries()) {
+      const amount = collections ? collections[index].amount : Math.min(g.spice[key] ?? 0, at(p, MOBILE_STRONGHOLD) * 2);
       if (amount) {
         g.spice[key] -= amount;
         p.spice += amount;
@@ -39002,7 +39027,7 @@ export type SpecialKaramaIntent = {
 } & (
   | { kind: 'choam'; cards: string[] }
   | { kind: 'richese'; acquire: string; nexusEvent?: string }
-  | { kind: 'ixians'; route: string[]; collect: boolean; sandmasterPiles?: string[] }
+  | { kind: 'ixians'; route: string[]; collect: boolean; collections?: MobileCollection[]; sandmasterPiles?: string[] }
   | { kind: 'tleilaxu'; target: string; revival: PendingRevival | null }
   | { kind: 'fremen'; territory: string }
   | {
@@ -39165,11 +39190,13 @@ export function prepareSpecialKaramaIntent(
     const route = validateMobileMove(g, p, action.route, 2);
     const sandmasterPiles = nexusRule(() => validateSandmasterStronghold(
       g, p.id, route, action.sandmasterPiles, action.collect !== false));
+    const collections = quoteMobileCollections(g, p, route, action.collections, action.collect !== false, sandmasterPiles);
     return {
       ...base,
       kind: 'ixians',
       route: [...route],
       collect: action.collect !== false,
+      ...(collections !== undefined ? { collections } : {}),
       ...(action.sandmasterPiles !== undefined ? { sandmasterPiles } : {}),
     };
   } else if (p.faction === 'tleilaxu') {
@@ -39320,6 +39347,7 @@ function specialKaramaAction(intent: SpecialKaramaIntent): Action {
       return { ...action, cards: [...intent.cards] };
     case 'ixians':
       return { ...action, route: [...intent.route], collect: intent.collect,
+        ...(intent.collections !== undefined ? { collections: intent.collections.map(item => ({ ...item })) } : {}),
         ...(intent.sandmasterPiles !== undefined ? { sandmasterPiles: [...intent.sandmasterPiles] } : {}) };
     case 'tleilaxu':
     case 'atreides':
@@ -39520,6 +39548,7 @@ function resolveSpecialKaramaEffect(g: Game, p: Player, card: Card, intent: Spec
       player: p.id,
       route,
       collect: intent.collect,
+      ...(intent.collections !== undefined ? { collections: intent.collections } : {}),
       ...(intent.sandmasterPiles !== undefined ? { sandmasterPiles: intent.sandmasterPiles } : {}),
     });
   } else if (intent.kind === 'tleilaxu') {
@@ -41748,10 +41777,12 @@ function applyActionInner(
         const route = validateMobileMove(g, p, action.route, 3);
         const sandmasterPiles = nexusRule(() => validateSandmasterStronghold(
           g, p.id, route, action.sandmasterPiles, action.collect !== false));
+        const collections = quoteMobileCollections(g, p, route, action.collections, action.collect !== false, sandmasterPiles);
         g.pendingMobileMove = {
           player: p.id,
           route,
           collect: action.collect !== false,
+          ...(collections !== undefined ? { collections } : {}),
           ...(action.sandmasterPiles !== undefined ? { sandmasterPiles } : {}),
         };
         g.response = {
@@ -45117,6 +45148,7 @@ export function viewGame(state: Game, id: string, now?: number) {
       ? {
           route: g.pendingMobileMove.route,
           collect: g.pendingMobileMove.collect,
+          collections: g.pendingMobileMove.collections,
           sandmasterPiles: g.pendingMobileMove.sandmasterPiles,
         }
       : null,

game/reference.ts

@@ -2115,7 +2115,7 @@ export const RULE_TOPICS: RuleTopic[] = [
     steps: [
       'Ixians begin with three cyborgs and three suboids inside. After the first storm moves, select its pointing sector in any non-stronghold territory, including the Polar Sink. Placement collects no spice.',
       'Before later storm dials or card reveals, occupied Ixians may keep the current position or declare a route of up to three territories. Use the route selector to name each sector. The destination must be a non-stronghold territory. The route cannot begin, end or pass through the current storm sector. Occupants stay inside throughout relocation.',
-      'The route preview shows spice available in its visited sectors, including the starting sector. Collection may be declined. A public Karama response resolves before any relocation or collection. Multiple-pile capacity and precise route interpretations remain under audit.',
+      'Choose the spice collected in each visited sector, including the starting sector. This preview provisionally permits any whole amount up to the available pile and two per Ixian force inside, separately in each sector. A public Karama response resolves before relocation or collection. The printed rule does not detail partial allocations or all passenger interactions.',
       'Forces inside are separate from forces outside. Enter and leave through the pointing sector, counting the stronghold as one more territory of movement. A storm in that pointing sector blocks ordinary entry or exit. Direct shipping inside is restricted to Ixians; advanced Bene Gesserit may accompany their shipment.',
       'Worms and storms do not kill the occupants. Battles wait while the pointing sector is in storm; otherwise normal battles and the two-faction capacity apply inside. The sole controller counts it toward victory, even when that controller is not Ixian. Capturing it does not grant another faction permission to move it.',
       'In advanced play, Ixians may spend special Karama once during their own Shipment and Movement turn to relocate up to two territories while their forces occupy it. This preserves their ordinary shipment and troop movement. Setup and bidding technology now have decision controls; expansion starts and remaining interaction audits are unfinished.',