Add research queue: queue multiple projects, auto-promote on completion, RP refund on dequeue

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/web/src/store/index.ts

@@ -138,6 +138,8 @@ interface Actions {
   setProductPricing: (productLineId: string, field: string, value: number) => void;
   toggleProductLine: (productLineId: string) => void;
   startResearch: (research: ActiveResearch) => void;
+  queueResearch: (researchId: string) => void;
+  removeFromResearchQueue: (researchId: string) => void;
   hireDepartment: (departmentId: string, count: number) => void;
   purchaseDataset: (dataset: OwnedDataset, cost: number) => void;
   raiseFunding: (roundType: FundingRoundType) => void;
@@ -1170,6 +1172,35 @@ export const useGameStore = create<Store>()(
         };
       }),
 
+      queueResearch: (researchId) => set((s) => {
+        if (s.research.researchQueue.includes(researchId)) return s;
+        const node = TECH_TREE.find(n => n.id === researchId);
+        if (!node) return s;
+        const rpCost = node.cost.researchPoints ?? 0;
+        if (rpCost > s.research.researchPoints) return s;
+        return {
+          research: {
+            ...s.research,
+            researchQueue: [...s.research.researchQueue, researchId],
+            researchPoints: s.research.researchPoints - rpCost,
+          },
+        };
+      }),
+
+      removeFromResearchQueue: (researchId) => set((s) => {
+        const idx = s.research.researchQueue.indexOf(researchId);
+        if (idx === -1) return s;
+        const node = TECH_TREE.find(n => n.id === researchId);
+        const rpRefund = node?.cost.researchPoints ?? 0;
+        return {
+          research: {
+            ...s.research,
+            researchQueue: s.research.researchQueue.filter(id => id !== researchId),
+            researchPoints: s.research.researchPoints + rpRefund,
+          },
+        };
+      }),
+
       hireDepartment: (departmentId, count) => set((s) => {
         const costPerHire = 2000;
         const totalCost = costPerHire * count;
@@ -1450,7 +1481,12 @@ export const useGameStore = create<Store>()(
             infraNav: { level: 'clusters' },
           } as unknown as Store;
         }
-        return _persisted as Store;
+        const s = _persisted as Record<string, unknown>;
+        const research = s.research as Record<string, unknown>;
+        if (!research.researchQueue) {
+          s.research = { ...research, researchQueue: [] };
+        }
+        return s as unknown as Store;
       },
     },
   ),