1

src/types/game.ts

@@ -46,6 +46,40 @@ export interface PlayerProgressionState {
   lastGrantedSource?: PlayerProgressionGrantSource | null;
 }
 
+export type RuntimeNpcTradeMode = 'buy' | 'sell';
+
+export interface RuntimeNpcTradeItemView {
+  itemId: string;
+  item: InventoryItem;
+  mode: RuntimeNpcTradeMode;
+  unitPrice: number;
+  maxQuantity: number;
+  canSubmit: boolean;
+  reason?: string | null;
+}
+
+export interface RuntimeNpcGiftItemView {
+  itemId: string;
+  item: InventoryItem;
+  affinityGain: number;
+  canSubmit: boolean;
+  reason?: string | null;
+}
+
+export interface RuntimeNpcInteractionView {
+  npcId: string;
+  npcName: string;
+  playerCurrency: number;
+  currencyName: string;
+  trade: {
+    buyItems: RuntimeNpcTradeItemView[];
+    sellItems: RuntimeNpcTradeItemView[];
+  };
+  gift: {
+    items: RuntimeNpcGiftItemView[];
+  };
+}
+
 export interface GameState {
   worldType: WorldType | null;
   customWorldProfile: CustomWorldProfile | null;
@@ -70,6 +104,7 @@ export interface GameState {
   animationState: AnimationState;
   currentEncounter: Encounter | null;
   npcInteractionActive: boolean;
+  runtimeNpcInteraction?: RuntimeNpcInteractionView | null;
   currentScenePreset: ScenePresetInfo | null;
   sceneHostileNpcs: SceneHostileNpc[];
   playerX: number;