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/TextButton.vue

@@ -0,0 +1,68 @@
+<template>
+  <view
+    class="text-button"
+    :class="[`text-button--${type}`, { 'text-button--disabled': disabled }]"
+    @click="handleClick"
+  >
+    <text>{{ text }}</text>
+  </view>
+</template>
+
+<script setup>
+const props = defineProps({
+  text: { type: String, required: true },
+  type: { type: String, default: 'default' },
+  disabled: { type: Boolean, default: false }
+})
+
+const emit = defineEmits(['click'])
+
+function handleClick() {
+  if (!props.disabled) {
+    emit('click')
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.text-button {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 16rpx 32rpx;
+  border-radius: 8rpx;
+  transition: all 0.2s;
+
+  &--default {
+    background-color: $bg-tertiary;
+    color: $text-primary;
+
+    &:active {
+      background-color: $bg-secondary;
+    }
+  }
+
+  &--danger {
+    background-color: rgba($danger, 0.2);
+    color: $danger;
+
+    &:active {
+      background-color: rgba($danger, 0.3);
+    }
+  }
+
+  &--warning {
+    background-color: rgba($warning, 0.2);
+    color: $warning;
+
+    &:active {
+      background-color: rgba($warning, 0.3);
+    }
+  }
+
+  &--disabled {
+    opacity: 0.5;
+    pointer-events: none;
+  }
+}
+</style>