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/setup.js

@@ -0,0 +1,27 @@
+/**
+ * Vitest 测试环境配置
+ */
+
+import { vi } from 'vitest'
+import { config } from '@vue/test-utils'
+
+// Mock uni API
+global.uni = {
+  setStorageSync: vi.fn(() => true),
+  getStorageSync: vi.fn(() => null),
+  removeStorageSync: vi.fn(() => true),
+  getSystemInfoSync: vi.fn(() => ({
+    platform: 'h5',
+    system: 'test'
+  }))
+}
+
+// Vue Test Utils 全局配置
+config.global.stubs = {
+  transition: false,
+  'transition-group': false
+}
+
+config.global.mocks = {
+  $t: (key) => key
+}