diff --git a/src/index.ts b/src/index.ts
index ba43daa..862efef 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,34 +4,71 @@
  */
 
 // Core types
-export type { IGameContext } from './core/game';
-export { createGameCommandRegistry, createPromptDef } from './core/game';
+export type { IGameContext } from "./core/game";
+export { createGameCommandRegistry, createPromptDef } from "./core/game";
 
-export type { GameHost, GameHostStatus, GameModule } from './core/game-host';
-export { createGameHost } from './core/game-host';
+export type { GameHost, GameHostStatus, GameModule } from "./core/game-host";
+export { createGameHost } from "./core/game-host";
 
-export type { Part } from './core/part';
-export { flip, flipTo, roll } from './core/part';
+export type { Part } from "./core/part";
+export { flip, flipTo, roll } from "./core/part";
 
-export { createParts, createPartsFromTable } from './core/part-factory';
+export { createParts, createPartsFromTable } from "./core/part-factory";
 
-export type { Region, RegionAxis } from './core/region';
-export { createRegion, createRegionAxis, applyAlign, shuffle, moveToRegion } from './core/region';
+export type { Region, RegionAxis } from "./core/region";
+export {
+  createRegion,
+  createRegionAxis,
+  applyAlign,
+  shuffle,
+  moveToRegion,
+} from "./core/region";
 
 // Utils
-export type { Command, CommandDef, CommandResult, CommandSchema, CommandParamSchema, CommandOptionSchema, CommandFlagSchema } from './utils/command';
-export { parseCommand, parseCommandSchema, validateCommand, parseCommandWithSchema, applyCommandSchema } from './utils/command';
+export type {
+  Command,
+  CommandDef,
+  CommandResult,
+  CommandSchema,
+  CommandParamSchema,
+  CommandOptionSchema,
+  CommandFlagSchema,
+} from "./utils/command";
+export {
+  parseCommand,
+  parseCommandSchema,
+  validateCommand,
+  parseCommandWithSchema,
+  applyCommandSchema,
+} from "./utils/command";
 
-export type { CommandRunner, CommandRunnerHandler, CommandRunnerContext, PromptEvent, CommandRunnerEvents } from './utils/command';
-export { createCommandRegistry, registerCommand, unregisterCommand, hasCommand, getCommand, runCommand, runCommandParsed, createCommandRunnerContext, type CommandRegistry, type CommandRunnerContextExport } from './utils/command';
+export type {
+  CommandRunner,
+  CommandRunnerHandler,
+  CommandRunnerContext,
+  PromptEvent,
+  CommandRunnerEvents,
+} from "./utils/command";
+export {
+  createCommandRegistry,
+  registerCommand,
+  unregisterCommand,
+  hasCommand,
+  getCommand,
+  runCommand,
+  runCommandParsed,
+  createCommandRunnerContext,
+  type CommandRegistry,
+  type CommandRunnerContextExport,
+} from "./utils/command";
 
-export type { MutableSignal } from './utils/mutable-signal';
-export { mutableSignal } from './utils/mutable-signal';
+export type { MutableSignal } from "./utils/mutable-signal";
+export { mutableSignal } from "./utils/mutable-signal";
 
-export type { RNG } from './utils/rng';
-export { createRNG, Mulberry32RNG } from './utils/rng';
+export type { RNG, ReadonlyRNG } from "./utils/rng";
+export { createRNG, Mulberry32RNG } from "./utils/rng";
 
-export type {MiddlewareChain} from './utils/middleware'
-export { createMiddlewareChain } from './utils/middleware';
+export type { MiddlewareChain } from "./utils/middleware";
+export { createMiddlewareChain } from "./utils/middleware";
 
-export * from '@preact/signals-core';
\ No newline at end of file
+export * from "@preact/signals-core";
diff --git a/src/samples/slay-the-spire-like/data/desert/index.ts b/src/samples/slay-the-spire-like/data/desert/index.ts
index e797a04..a00f499 100644
--- a/src/samples/slay-the-spire-like/data/desert/index.ts
+++ b/src/samples/slay-the-spire-like/data/desert/index.ts
@@ -1,15 +1,19 @@
-import getCards from './card.csv';
-import getEffects from './effect.csv';
-import getEncounters from './encounter.csv';
-import getEnemies from './enemy.csv';
-import getIntents from './intent.csv';
-import getItems from './item.csv';
-export { default as dialogues } from './dialogues/dialogues.yarnproject';
-export { addTriggers } from './triggers';
+import getCards from "./card.csv";
+import getEffects from "./effect.csv";
+import getEncounters from "./encounter.csv";
+import getEnemies from "./enemy.csv";
+import getIntents from "./intent.csv";
+import getItems from "./item.csv";
+export { default as dialogues } from "./dialogues/dialogues.yarnproject";
+export { addTriggers } from "./triggers";
 
 export const cards = getCards();
 export const effects = getEffects();
 export const encounters = getEncounters();
 export const enemies = getEnemies();
 export const intents = getIntents();
-export const items = getItems();
\ No newline at end of file
+export const items = getItems();
+
+export const startingItems = ["剑", "盾", "水袋", "绷带"].map((key) =>
+  items.find((item) => item.name === key),
+);