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/npcs.js

@@ -0,0 +1,44 @@
+// NPC配置
+export const NPC_CONFIG = {
+  injured_adventurer: {
+    id: 'injured_adventurer',
+    name: '受伤的冒险者',
+    location: 'camp',
+    dialogue: {
+      first: {
+        text: '你终于醒了...这里是营地，暂时安全。外面的世界很危险，带上这根木棍防身吧。',
+        choices: [
+          { text: '谢谢', next: 'thanks' },
+          { text: '这是什么地方？', next: 'explain' }
+        ]
+      },
+      thanks: {
+        text: '小心野狗，它们通常成群出现。如果你能击败五只野狗，或许能找到通往深处的路。',
+        choices: [
+          { text: '明白了', next: null, action: 'give_stick' }
+        ]
+      },
+      explain: {
+        text: '这是末世后的世界...具体细节我也记不清了。总之，活下去是第一要务。',
+        choices: [
+          { text: '我会的', next: 'thanks', action: 'give_stick' }
+        ]
+      }
+    }
+  },
+
+  merchant_zhang: {
+    id: 'merchant_zhang',
+    name: '商人老张',
+    location: 'market',
+    dialogue: {
+      first: {
+        text: '欢迎光临！看看有什么需要的？',
+        choices: [
+          { text: '查看商品', next: null, action: 'open_shop' },
+          { text: '离开', next: null }
+        ]
+      }
+    }
+  }
+}