Refine NPC interactions and runtime item generation

src/data/functionCatalog/npc/npcGift.ts

@@ -12,11 +12,12 @@ export function buildNpcGiftModalState(
   state: GameState,
   encounter: Encounter,
   actionText: string,
+  selectedItemId: string | null = state.playerInventory[0]?.id ?? null,
 ): GiftModalState {
   return {
     encounter,
     actionText,
-    selectedItemId: state.playerInventory[0]?.id ?? null,
+    selectedItemId,
   };
 }
 
@@ -41,7 +42,7 @@ export const NPC_GIFT_FUNCTION: FunctionDocumentationEntry = {
     animationNote: '第一次点击不驱动额外演出，重点是切到礼物面板。',
     storyNote:
       '真正的剧情推进发生在 confirmGift 之后，届时才会写入好感变化与结果文本。',
-    uiNote: '会先打开 gift modal，并默认选中背包第一件可见物品。',
+    uiNote: '会先打开 gift modal，并默认选中当前最适合作为礼物的物品。',
     compactDetailText: '送礼提升好感',
   },
 };