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>

.claude/agents/fix-issues.md

@@ -0,0 +1,6 @@
+---
+name: fix-issues
+description: 修复编译和语法问题
+model: sonnet
+---
+修复所有已识别的编译和语法问题。修复后返回检查问题是否已解决。