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/fixtures/game.js

@@ -0,0 +1,92 @@
+/**
+ * Game Store 测试夹具
+ */
+
+/**
+ * 创建模拟游戏数据
+ * @param {Object} overrides - 覆盖的属性
+ * @returns {Object} 模拟游戏对象
+ */
+export function createMockGame(overrides = {}) {
+  return {
+    currentTab: 'status',
+    drawerState: {
+      inventory: false,
+      event: false,
+      ...overrides.drawerState
+    },
+    logs: overrides.logs || [],
+    gameTime: {
+      day: 1,
+      hour: 8,
+      minute: 0,
+      totalMinutes: 480,
+      ...overrides.gameTime
+    },
+    inCombat: overrides.inCombat || false,
+    combatState: overrides.combatState || null,
+    activeTasks: overrides.activeTasks || [],
+    negativeStatus: overrides.negativeStatus || [],
+    marketPrices: overrides.marketPrices || {
+      lastRefreshDay: 1,
+      prices: {}
+    },
+    currentEvent: overrides.currentEvent || null,
+    scheduledEvents: overrides.scheduledEvents || []
+  }
+}
+
+/**
+ * 创建战斗中的游戏状态
+ * @param {Object} enemy - 敌人对象
+ * @returns {Object} 模拟游戏对象
+ */
+export function createGameInCombat(enemy) {
+  return createMockGame({
+    inCombat: true,
+    combatState: {
+      enemyId: enemy.id,
+      enemy,
+      stance: 'balance',
+      environment: 'normal',
+      startTime: Date.now(),
+      ticks: 0
+    }
+  })
+}
+
+/**
+ * 创建有活动任务的游戏状态
+ * @param {Array} tasks - 任务数组
+ * @returns {Object} 模拟游戏对象
+ */
+export function createGameWithTasks(tasks) {
+  return createMockGame({
+    activeTasks: tasks.map(task => ({
+      id: Date.now() + Math.random(),
+      type: task.type,
+      data: task.data || {},
+      startTime: Date.now(),
+      progress: 0,
+      totalDuration: task.duration || 0,
+      lastTickTime: Date.now(),
+      ...task
+    }))
+  })
+}
+
+/**
+ * 创建有日志的游戏状态
+ * @param {Array} logs - 日志数组
+ * @returns {Object} 模拟游戏对象
+ */
+export function createGameWithLogs(logs) {
+  return createMockGame({
+    logs: logs.map((log, index) => ({
+      id: Date.now() + index,
+      time: '08:00',
+      message: log,
+      type: 'info'
+    }))
+  })
+}