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>

.gitignore

@@ -0,0 +1,47 @@
+# Dependencies
+node_modules/
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
+
+# Local env files
+.env.local
+.env.*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# Build outputs
+dist/
+build/
+unpackage/
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+# Test coverage
+coverage/
+
+# Temp files
+.tmp/
+.temp/
+*.tmp
+
+# OS files
+Thumbs.db
+
+# lock
+nul