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>

components/common/StatItem.vue

@@ -0,0 +1,29 @@
+<template>
+  <view class="stat-item">
+    <text v-if="icon" class="stat-item__icon">{{ icon }}</text>
+    <text class="stat-item__label">{{ label }}</text>
+    <text class="stat-item__value" :style="{ color }">{{ value }}</text>
+  </view>
+</template>
+
+<script setup>
+defineProps({
+  label: String,
+  value: [Number, String],
+  icon: String,
+  color: { type: String, default: '#e0e0e0' }
+})
+</script>
+
+<style lang="scss" scoped>
+.stat-item {
+  display: inline-flex;
+  align-items: center;
+  gap: 8rpx;
+  padding: 8rpx 16rpx;
+
+  &__icon { font-size: 28rpx; }
+  &__label { color: $text-secondary; }
+  &__value { font-weight: bold; }
+}
+</style>