feat(user): 新增用户端答题流程页面与相关功能

- 新增用户端答题流程主页面，包含封面、介绍、答题、答题图解四个状态
- 新增用户端组件：封面、介绍页、答题页、答题图解页、题目渲染器
- 新增用户端类型定义、模拟数据及业务常量
- 新增用户路由及类型声明
- 优化题库分类树，改为扁平化列表结构
- 完善比赛创建功能，增加轮次类型、题目分数类型及关联AP字段
- 修复模板删除函数调用参数错误

apps/admin/src/views/user/modules/IntroComp.vue

@@ -0,0 +1,63 @@
+<script setup lang="ts">
+import type { ActivityNode } from '../types'
+
+defineProps<{ node: ActivityNode }>()
+defineEmits(['back', 'draw'])
+</script>
+
+<template>
+  <div class="h-full w-full flex flex-col items-center pt-44">
+    <!-- 标题卷轴 -->
+    <div class="relative mb-16">
+      <div class="relative z-10 h-20 min-w-[300px] flex items-center justify-center border-2 border-orange-200 rounded-lg from-orange-100 to-orange-50 bg-gradient-to-b px-12 shadow-lg">
+        <div class="absolute top-1/2 h-24 w-6 border-r-4 border-yellow-600 rounded-l-md bg-teal-700 shadow-md -left-3 -translate-y-1/2">
+          <div class="absolute left-1 top-2 h-2 w-full rounded-full bg-teal-600/50" />
+          <div class="absolute bottom-2 left-1 h-2 w-full rounded-full bg-teal-600/50" />
+        </div>
+        <div class="absolute top-1/2 h-24 w-6 border-l-4 border-yellow-600 rounded-r-md bg-teal-700 shadow-md -right-3 -translate-y-1/2">
+          <div class="absolute right-1 top-2 h-2 w-full rounded-full bg-teal-600/50" />
+          <div class="absolute bottom-2 right-1 h-2 w-full rounded-full bg-teal-600/50" />
+        </div>
+        <h1 class="text-3xl text-gray-800 font-bold tracking-widest font-serif">
+          {{ node.moduleName }}
+        </h1>
+      </div>
+    </div>
+
+    <!-- 规则描述 -->
+    <div class="mb-20 max-w-4xl text-center">
+      <div class="text-2xl text-gray-800 font-medium leading-relaxed tracking-wide">
+        {{ node.description }}
+      </div>
+    </div>
+
+    <!-- 抽题按钮 (大圆形) -->
+    <div class="group relative">
+      <button
+        class="h-64 w-64 flex flex-col items-center justify-center border-4 border-blue-400 rounded-full bg-gray-200/80 text-3xl text-gray-700 font-bold shadow-xl transition-all active:scale-95 hover:scale-105"
+        @click="$emit('draw')"
+      >
+        <span>抽题</span>
+      </button>
+    </div>
+
+    <!-- 底部按钮 -->
+    <div class="fixed bottom-12 left-12">
+      <button
+        class="border-2 border-red-400 rounded-full bg-white px-10 py-2 text-xl text-red-500 font-bold shadow-md transition hover:bg-red-50"
+        @click="$emit('back')"
+      >
+        返回
+      </button>
+    </div>
+
+    <div class="fixed bottom-12 right-12">
+      <button
+        class="rounded-full from-red-400 to-red-500 bg-gradient-to-r px-10 py-2 text-xl text-white font-bold shadow-lg transition hover:from-red-500 hover:to-red-600"
+        @click="$emit('draw')"
+      >
+        开始答题
+      </button>
+    </div>
+  </div>
+</template>