搜索功能增强 + 设置页自动提现 + 部署规则

## 小程序
1. 搜索页面：添加热门章节推荐
2. 我的页面：点击ID可复制
3. 设置页面：添加自动提现开关

## 后台
1. 新增热门章节API (/api/book/hot)
2. 章节保存时自动去掉Markdown标题

## 规则
1. .cursorrules添加完整部署流程

miniprogram/pages/settings/settings.js

@@ -16,6 +16,9 @@ Page({
     wechatId: '',
     alipayAccount: '',
     
+    // 自动提现
+    autoWithdrawEnabled: false,
+    
     // 绑定弹窗
     showBindModal: false,
     bindType: '', // phone | wechat | alipay
@@ -43,16 +46,66 @@ Page({
       const phoneNumber = wx.getStorageSync('user_phone') || userInfo.phone || ''
       const wechatId = wx.getStorageSync('user_wechat') || userInfo.wechat || ''
       const alipayAccount = wx.getStorageSync('user_alipay') || userInfo.alipay || ''
+      const autoWithdrawEnabled = wx.getStorageSync('auto_withdraw_enabled') || false
       
       this.setData({
         isLoggedIn: true,
         userInfo,
         phoneNumber,
         wechatId,
-        alipayAccount
+        alipayAccount,
+        autoWithdrawEnabled
       })
     }
   },
+  
+  // 切换自动提现
+  async toggleAutoWithdraw(e) {
+    const enabled = e.detail.value
+    
+    // 检查是否绑定了支付方式
+    if (enabled && !this.data.wechatId && !this.data.alipayAccount) {
+      wx.showToast({ title: '请先绑定微信号或支付宝', icon: 'none' })
+      this.setData({ autoWithdrawEnabled: false })
+      return
+    }
+    
+    // 开启时需要确认
+    if (enabled) {
+      wx.showModal({
+        title: '开启自动提现',
+        content: `收益将自动打款到您的${this.data.alipayAccount ? '支付宝' : '微信'}账户，确认开启吗？`,
+        success: async (res) => {
+          if (res.confirm) {
+            this.setData({ autoWithdrawEnabled: true })
+            wx.setStorageSync('auto_withdraw_enabled', true)
+            
+            // 同步到服务器
+            try {
+              await app.request('/api/user/update', {
+                method: 'POST',
+                data: {
+                  userId: app.globalData.userInfo?.id,
+                  autoWithdraw: true,
+                  withdrawAccount: this.data.alipayAccount || this.data.wechatId
+                }
+              })
+            } catch (e) {
+              console.log('同步自动提现设置失败', e)
+            }
+            
+            wx.showToast({ title: '已开启自动提现', icon: 'success' })
+          } else {
+            this.setData({ autoWithdrawEnabled: false })
+          }
+        }
+      })
+    } else {
+      this.setData({ autoWithdrawEnabled: false })
+      wx.setStorageSync('auto_withdraw_enabled', false)
+      wx.showToast({ title: '已关闭自动提现', icon: 'success' })
+    }
+  },
 
   // 绑定手机号
   bindPhone() {

miniprogram/pages/settings/settings.wxml

@@ -70,6 +70,36 @@
       </view>
     </view>
     
+    <!-- 自动提现设置 -->
+    <view class="bind-card auto-withdraw-card" wx:if="{{isLoggedIn && (wechatId || alipayAccount)}}">
+      <view class="card-header">
+        <text class="card-icon">💰</text>
+        <view class="card-title-wrap">
+          <text class="card-title">自动提现</text>
+          <text class="card-desc">收益自动打款到您的账户</text>
+        </view>
+      </view>
+      
+      <view class="auto-withdraw-content">
+        <view class="withdraw-switch-row">
+          <text class="switch-label">开启自动提现</text>
+          <switch checked="{{autoWithdrawEnabled}}" bindchange="toggleAutoWithdraw" color="#00CED1"/>
+        </view>
+        
+        <view class="withdraw-info" wx:if="{{autoWithdrawEnabled}}">
+          <view class="info-item">
+            <text class="info-label">提现方式</text>
+            <text class="info-value">{{alipayAccount ? '支付宝' : '微信零钱'}}</text>
+          </view>
+          <view class="info-item">
+            <text class="info-label">提现账户</text>
+            <text class="info-value">{{alipayAccount || wechatId}}</text>
+          </view>
+          <text class="withdraw-tip">收益将在每笔订单完成后自动打款</text>
+        </view>
+      </view>
+    </view>
+    
     <!-- 提现提示 -->
     <view class="tip-banner" wx:if="{{isLoggedIn && !wechatId && !alipayAccount}}">
       <text class="tip-text">提示：绑定至少一个支付方式（微信或支付宝）才能使用提现功能</text>

miniprogram/pages/settings/settings.wxss

@@ -44,6 +44,37 @@
 }
 .get-phone-btn::after { border: none; }
 
+/* 自动提现卡片 */
+.auto-withdraw-card { margin-top: 24rpx; }
+.auto-withdraw-content { padding-top: 16rpx; }
+.withdraw-switch-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 16rpx 0;
+}
+.switch-label { font-size: 28rpx; color: #fff; }
+.withdraw-info {
+  background: rgba(0,206,209,0.1);
+  border-radius: 16rpx;
+  padding: 20rpx;
+  margin-top: 16rpx;
+}
+.info-item {
+  display: flex;
+  justify-content: space-between;
+  padding: 8rpx 0;
+}
+.info-label { font-size: 26rpx; color: rgba(255,255,255,0.6); }
+.info-value { font-size: 26rpx; color: #00CED1; }
+.withdraw-tip {
+  display: block;
+  font-size: 22rpx;
+  color: rgba(255,255,255,0.4);
+  margin-top: 12rpx;
+  text-align: center;
+}
+
 /* 提现提示 */
 .tip-banner { background: rgba(255,165,0,0.1); border: 2rpx solid rgba(255,165,0,0.3); border-radius: 20rpx; padding: 20rpx 24rpx; margin-bottom: 24rpx; }
 .tip-text { font-size: 24rpx; color: #FFA500; line-height: 1.5; }