Implement scene-based chapter quest progression

src/components/SelectionCustomizationModals.tsx

@@ -245,7 +245,7 @@ export function CustomWorldCreatorModal(props: CustomWorldCreatorModalProps) {
           value={draftText}
           onChange={(event) => updateDraftText(event.target.value)}
           rows={8}
-          placeholder="例：一个雨雾笼罩的海上武侠世界，旧朝遗臣、海盗盟约与沉船秘术纠缠在一起……"
+          placeholder="例：一个被潮雾与失落列岛切碎的边境世界，旧盟约、沉船秘术与灯塔守望者纠缠在一起……"
           className="w-full rounded-2xl border border-white/10 bg-black/30 px-4 py-3 text-sm leading-7 text-white outline-none transition focus:border-sky-400/40"
         />