本周主要把ai分析报告改到用户端的首页，而不是每日推题页面

修改代码文件index.vue

<template>
  <view class="container">
    <!-- 顶部标题区 -->
    <view class="header">
      <AppIcon name="recommend" size="xl" color="#1e3a8a" />
      <text class="title">智能推荐</text>
      <text class="subtitle">基于RAG知识库，为你推荐最适合的题目</text>
    </view>

    <!-- 快捷功能区 -->
    <view class="quick-actions">
      <!-- AI分析报告入口 -->
      <view class="action-card ai-analysis-card" @tap="goToAIAnalysis">
        <AppIcon name="ai" size="lg" color="#fff" />
        <text class="action-title">AI分析报告</text>
        <text class="action-desc">上传错题图片，智能分析</text>
      </view>
      
      <!-- 每日推题入口 -->
      <view class="action-card daily-push-card" @tap="goToDailyPush">
        <AppIcon name="calendar-check" size="lg" color="#fff" />
        <text class="action-title">每日推题</text>
        <text class="action-desc">智能推荐练习</text>
      </view>
    </view>

    <!-- 上传错题区域 -->
    <view class="upload-section" @tap="uploadQuestion">
      <AppIcon name="upload" size="xl" color="#fff" />
      <text class="upload-text">上传你的错题/题目图片</text>
      <text class="upload-hint">支持OCR自动识别图片中的文字</text>
    </view>

    <!-- 推荐列表 -->
    <scroll-view class="recommend-list" scroll-y>
      <view class="section-header">
        <text class="header-title">为你推荐</text>
        <text class="header-count">共 {{ recommendList.length }} 题</text>
      </view>
      
      <view v-for="item in recommendList" :key="item.id" class="recommend-card" @tap="goToDetail(item)">
        <view class="card-header">
          <text :class="['difficulty', getDifficultyClass(item.difficulty)]">
            {{ item.difficulty }}
          </text>
          <text class="subject">{{ item.subject }}</text>
        </view>
        <text class="card-title">{{ item.title }}</text>
        <text class="card-desc">{{ item.description }}</text>
        <view class="card-footer">
          <view class="footer-left">
            <AppIcon name="stats" size="sm" color="#10b981" />
            <text class="accuracy">准确率: {{ item.accuracy }}%</text>
          </view>
          <view class="footer-right">
            <AppIcon name="ai" size="sm" color="#8b5cf6" />
            <text class="reason">推荐理由: {{ item.reason }}</text>
          </view>
        </view>
      </view>
      <view v-if="loading" class="loading-tip">
        <AppIcon name="loading" size="md" color="#9ca3af" />
        <text>加载中...</text>
      </view>
      <view v-else-if="recommendList.length === 0" class="empty-tip">
        <AppIcon name="empty" size="xl" color="#9ca3af" />
        <text>暂无推荐内容</text>
        <button class="empty-action-btn" @tap="goToAIAnalysis">
          <AppIcon name="ai" size="sm" color="#fff" />
          <text>试试AI分析</text>
        </button>
      </view>
    </scroll-view>
  </view>
</template>

<script>
import { authenticatedRequest } from '@/services/api'
import AppIcon from '@/components/common/AppIcon.vue'

export default {
  components: { AppIcon },
  data() {
    return {
      recommendList: [],
      loading: false
    }
  },
  onLoad() {
    this.loadRecommendations()
  },
  methods: {
    async loadRecommendations() {
      this.loading = true
      try {
        const res = await authenticatedRequest({
          url: '/recommend/list',
          method: 'POST'
        })
        this.recommendList = res?.data || []
      } catch (error) {
        console.error('加载推荐失败:', error)
      } finally {
        this.loading = false
      }
    },
    
    goToAIAnalysis() {
      uni.navigateTo({
        url: '/pages/notebooks/ai-analysis'
      })
    },
    
    goToDailyPush() {
      uni.navigateTo({
        url: '/pages/notebooks/daily-push'
      })
    },
    
    uploadQuestion() {
      uni.chooseImage({
        count: 1,
        success: async (res) => {
          uni.showLoading({ title: '识别中...' })
          try {
            const result = await authenticatedRequest({
              url: '/ocr/recognize',
              method: 'POST',
              data: { image: res.tempFilePaths[0] }
            })
            uni.hideLoading()
            uni.navigateTo({
              url: `/pages/notebooks/add-question?autoFill=${encodeURIComponent(JSON.stringify(result.data))}`
            })
          } catch (error) {
            uni.hideLoading()
            uni.showToast({ title: '识别失败', icon: 'none' })
          }
        }
      })
    },
    
    getDifficultyClass(level) {
      return {
        'easy': 'difficulty-easy',
        'medium': 'difficulty-medium', 
        'hard': 'difficulty-hard'
      }[level] || ''
    },
    
    goToDetail(item) {
      uni.navigateTo({
        url: `/pages/notebooks/topic-detail?id=${item.id}`
      })
    }
  }
}
</script>

<style scoped>
.container {
  min-height: 100vh;
  background: linear-gradient(180deg, #f0f4ff 0%, #ffffff 100%);
  padding: 32rpx;
}

.header {
  text-align: center;
  margin-bottom: 32rpx;
}

.title {
  font-size: 48rpx;
  font-weight: 700;
  color: #1e3a8a;
  display: block;
  margin-top: 16rpx;
}

.subtitle {
  font-size: 28rpx;
  color: #6b7280;
  margin-top: 16rpx;
  display: block;
}

.quick-actions {
  display: flex;
  gap: 16rpx;
  margin-bottom: 32rpx;
}

.action-card {
  flex: 1;
  height: 180rpx;
  border-radius: 24rpx;
  padding: 24rpx 20rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12rpx;
  box-shadow: 0 8rpx 20rpx rgba(0, 0, 0, 0.1);
}

.ai-analysis-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.daily-push-card {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.action-title {
  font-size: 30rpx;
  font-weight: 600;
  color: #fff;
}

.action-desc {
  font-size: 24rpx;
  color: rgba(255, 255, 255, 0.85);
}

.upload-section {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  border-radius: 32rpx;
  padding: 48rpx 32rpx;
  text-align: center;
  margin-bottom: 32rpx;
  box-shadow: 0 12rpx 24rpx rgba(245, 158, 11, 0.3);
}

.upload-text {
  font-size: 32rpx;
  font-weight: 600;
  color: #ffffff;
  display: block;
  margin-top: 16rpx;
}

.upload-hint {
  font-size: 24rpx;
  color: rgba(255,255,255,0.8);
  margin-top: 16rpx;
  display: block;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20rpx;
}

.header-title {
  font-size: 34rpx;
  font-weight: 700;
  color: #1f2937;
}

.header-count {
  font-size: 26rpx;
  color: #6b7280;
}

.recommend-list {
  max-height: calc(100vh - 520rpx);
}

.recommend-card {
  background: #ffffff;
  border-radius: 24rpx;
  padding: 32rpx;
  margin-bottom: 24rpx;
  box-shadow: 0 8rpx 20rpx rgba(0,0,0,0.08);
}

.card-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16rpx;
}

.difficulty {
  font-size: 24rpx;
  padding: 4rpx 16rpx;
  border-radius: 24rpx;
}

.difficulty-easy { background: #d1fae5; color: #065f46; }
.difficulty-medium { background: #fed7aa; color: #9a3412; }
.difficulty-hard { background: #fee2e2; color: #991b1b; }

.subject {
  font-size: 24rpx;
  color: #6b7280;
}

.card-title {
  font-size: 32rpx;
  font-weight: 600;
  color: #1f2937;
  display: block;
  margin-bottom: 12rpx;
}

.card-desc {
  font-size: 28rpx;
  color: #4b5563;
  line-height: 1.5;
  margin-bottom: 16rpx;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  border-top: 1rpx solid #e5e7eb;
  padding-top: 16rpx;
}

.footer-left, .footer-right {
  display: flex;
  align-items: center;
  gap: 8rpx;
}

.accuracy {
  font-size: 24rpx;
  color: #10b981;
}

.reason {
  font-size: 24rpx;
  color: #8b5cf6;
}

.loading-tip, .empty-tip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16rpx;
  padding: 80rpx;
  font-size: 28rpx;
  color: #9ca3af;
}

.empty-action-btn {
  margin-top: 20rpx;
  height: 80rpx;
  padding: 0 40rpx;
  border-radius: 40rpx;
  font-size: 28rpx;
  color: #ffffff;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  gap: 8rpx;
}
</style>

效果：