Initial commit: Text Adventure Game

Features:
- Combat system with AP/EP hit calculation and three-layer defense
- Auto-combat/farming mode
- Item system with stacking support
- Skill system with levels, milestones, and parent skill sync
- Shop system with dynamic pricing
- Inventory management with bulk selling
- Event system
- Game loop with offline earnings
- Save/Load system

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

tests/helpers/random.js

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+/**
+ * 随机数测试辅助函数
+ */
+
+import { vi } from 'vitest'
+
+let mockRandomValue = 0.5
+
+/**
+ * 设置 Math.random() 返回值
+ * @param {number} value - 返回值（0-1）
+ */
+export function setMockRandom(value) {
+  mockRandomValue = value
+}
+
+/**
+ * 创建 Math.random() 的 mock
+ * @returns {Object} spy
+ */
+export function mockMathRandom() {
+  return vi.spyOn(Math, 'random').mockImplementation(() => mockRandomValue)
+}
+
+/**
+ * 重置 mock 随机值
+ */
+export function resetMockRandom() {
+  mockRandomValue = 0.5
+}
+
+/**
+ * 设置随机数序列
+ * @param {Array<number>} values - 随机数序列
+ * @returns {Object} spy
+ */
+export function mockRandomSequence(values) {
+  let index = 0
+  return vi.spyOn(Math, 'random').mockImplementation(() => {
+    const value = values[index % values.length]
+    index++
+    return value
+  })
+}
+
+/**
+ * 创建确定性的随机数生成器
+ * @param {number} seed - 种子值
+ * @returns {Function} 随机函数
+ */
+export function createSeededRandom(seed) {
+  return () => {
+    seed = (seed * 9301 + 49297) % 233280
+    return seed / 233280
+  }
+}
+
+/**
+ * Mock 随机数生成器
+ * @param {number} seed - 种子值
+ * @returns {Object} spy
+ */
+export function mockSeededRandom(seed) {
+  const randomFunc = createSeededRandom(seed)
+  return vi.spyOn(Math, 'random').mockImplementation(randomFunc)
+}
+
+/**
+ * 清理所有 mock
+ */
+export function cleanupMocks() {
+  vi.restoreAllMocks()
+  resetMockRandom()
+}

tests/helpers/store.js

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+/**
+ * Store 测试辅助函数
+ */
+
+import { createPinia, setActivePinia } from 'pinia'
+import { createMockPlayer } from '../fixtures/player.js'
+import { createMockGame } from '../fixtures/game.js'
+
+/**
+ * 设置测试用 Pinia Store
+ * @returns {Object} { playerStore, gameStore, pinia }
+ */
+export function setupTestStore() {
+  const pinia = createPinia()
+  setActivePinia(pinia)
+
+  // 动态导入 stores
+  const { usePlayerStore } = require('@/store/player.js')
+  const { useGameStore } = require('@/store/game.js')
+
+  const playerStore = usePlayerStore()
+  const gameStore = useGameStore()
+
+  // 初始化 mock 数据
+  Object.assign(playerStore, createMockPlayer())
+  Object.assign(gameStore, createMockGame())
+
+  return { playerStore, gameStore, pinia }
+}
+
+/**
+ * 创建带有特定技能的 Store
+ * @param {string} skillId - 技能ID
+ * @param {number} level - 技能等级
+ * @returns {Object} { playerStore, gameStore }
+ */
+export function setupStoreWithSkill(skillId, level = 1) {
+  const { playerStore, gameStore, pinia } = setupTestStore()
+
+  playerStore.skills = {
+    [skillId]: {
+      level,
+      exp: 0,
+      unlocked: true,
+      maxExp: (level + 1) * 100
+    }
+  }
+
+  return { playerStore, gameStore, pinia }
+}
+
+/**
+ * 创建战斗中的 Store
+ * @param {Object} enemy - 敌人对象
+ * @returns {Object} { playerStore, gameStore }
+ */
+export function setupStoreInCombat(enemy) {
+  const { playerStore, gameStore, pinia } = setupTestStore()
+
+  gameStore.inCombat = true
+  gameStore.combatState = {
+    enemyId: enemy.id,
+    enemy,
+    stance: 'balance',
+    environment: 'normal',
+    startTime: Date.now(),
+    ticks: 0
+  }
+
+  return { playerStore, gameStore, pinia }
+}
+
+/**
+ * 创建带有物品的 Store
+ * @param {Array} items - 物品数组
+ * @returns {Object} { playerStore, gameStore }
+ */
+export function setupStoreWithItems(items) {
+  const { playerStore, gameStore, pinia } = setupTestStore()
+
+  playerStore.inventory = [...items]
+
+  return { playerStore, gameStore, pinia }
+}
+
+/**
+ * 重置 Store 状态
+ * @param {Object} playerStore - 玩家Store
+ * @param {Object} gameStore - 游戏Store
+ */
+export function resetStore(playerStore, gameStore) {
+  Object.assign(playerStore, createMockPlayer())
+  Object.assign(gameStore, createMockGame())
+}

tests/helpers/timer.js

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+/**
+ * 时间相关测试辅助函数
+ */
+
+import { vi } from 'vitest'
+
+/**
+ * Mock Date.now()
+ * @param {number} timestamp - 时间戳
+ * @returns {Object} spy
+ */
+export function mockDateNow(timestamp = Date.now()) {
+  return vi.spyOn(Date, 'now').mockReturnValue(timestamp)
+}
+
+/**
+ * Mock setInterval/setTimeout
+ * @returns {Object} { useFakeTimers, useRealTimers }
+ */
+export function mockTimers() {
+  return {
+    useFakeTimers: () => vi.useFakeTimers(),
+    useRealTimers: () => vi.useRealTimers(),
+    runAllTimers: () => vi.runAllTimers(),
+    runOnlyPendingTimers: () => vi.runOnlyPendingTimers(),
+    advanceTimersByTime: (ms) => vi.advanceTimersByTime(ms)
+  }
+}
+
+/**
+ * 等待指定时间
+ * @param {number} ms - 毫秒
+ * @returns {Promise}
+ */
+export function wait(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms))
+}
+
+/**
+ * 快速时间（用于测试）
+ * @param {number} seconds - 秒数
+ * @returns {number} 毫秒
+ */
+export function seconds(seconds) {
+  return seconds * 1000
+}
+
+/**
+ * 快速时间（分钟）
+ * @param {number} minutes - 分钟数
+ * @returns {number} 毫秒
+ */
+export function minutes(minutes) {
+  return minutes * 60 * 1000
+}
+
+/**
+ * 快速时间（小时）
+ * @param {number} hours - 小时数
+ * @returns {number} 毫秒
+ */
+export function hours(hours) {
+  return hours * 60 * 60 * 1000
+}