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>

config/skills.js

@@ -0,0 +1,53 @@
+// 技能配置
+export const SKILL_CONFIG = {
+  // 战斗技能
+  stick_mastery: {
+    id: 'stick_mastery',
+    name: '木棍精通',
+    type: 'combat',
+    category: 'weapon',
+    icon: '',
+    maxLevel: 20,
+    expPerLevel: (level) => level * 100,
+    milestones: {
+      5: { desc: '所有武器暴击率+2%', effect: { critRate: 2 } },
+      10: { desc: '所有武器攻击力+5%', effect: { attackBonus: 5 } },
+      15: { desc: '武器熟练度获取速度+20%', effect: { expRate: 1.2 } },
+      20: { desc: '所有武器暴击伤害+0.3', effect: { critMult: 0.3 } }
+    },
+    unlockCondition: null,  // 初始解锁
+    unlockItem: 'wooden_stick'
+  },
+
+  reading: {
+    id: 'reading',
+    name: '阅读',
+    type: 'life',
+    category: 'reading',
+    icon: '',
+    maxLevel: 20,
+    expPerLevel: (level) => level * 50,
+    milestones: {
+      3: { desc: '所有技能经验获取+5%', effect: { globalExpRate: 5 } },
+      5: { desc: '阅读速度+50%', effect: { readingSpeed: 1.5 } },
+      10: { desc: '完成书籍给予额外主经验+100', effect: { bookExpBonus: 100 } }
+    },
+    unlockCondition: null,
+    unlockItem: 'old_book'
+  },
+
+  night_vision: {
+    id: 'night_vision',
+    name: '夜视',
+    type: 'passive',
+    category: 'environment',
+    icon: '',
+    maxLevel: 10,
+    expPerLevel: (level) => level * 30,
+    milestones: {
+      5: { desc: '黑暗惩罚-10%', effect: { darkPenaltyReduce: 10 } },
+      10: { desc: '黑暗惩罚-25%', effect: { darkPenaltyReduce: 25 } }
+    },
+    unlockCondition: { location: 'basement' }
+  }
+}