精简「我的」页面菜单 + 数据库去重 + 内容上传接口

- 移除扫一扫/提现记录/设置独立菜单项，设置功能整合到页面内
- 新增绑定微信号、清缓存、退出登录的内联设置区
- 添加 content_upload.py：Skill 可直接调用上传内容到数据库
- 数据库已去重（196→69条）并添加唯一索引防止再次重复

Co-authored-by: Cursor <cursoragent@cursor.com>

miniprogram/pages/my/my.js

@@ -33,13 +33,10 @@ Page({
     // 最近阅读
     recentChapters: [],
     
-    // 菜单列表：扫一扫整合在「我的」内；提现记录与设置合并为「设置与提现」入口
     menuList: [
-      { id: 'scan', title: '扫一扫', icon: '📷', iconBg: 'brand' },
       { id: 'orders', title: '我的订单', icon: '📦', count: 0 },
       { id: 'referral', title: '推广中心', icon: '🎁', badge: '' },
-      { id: 'about', title: '关于作者', icon: '👤', iconBg: 'brand' },
-      { id: 'settings', title: '设置与提现', icon: '⚙️', iconBg: 'gray' }
+      { id: 'about', title: '关于作者', icon: '👤', iconBg: 'brand' }
     ],
     
     // 登录弹窗
@@ -282,32 +279,15 @@ Page({
   handleMenuTap(e) {
     const id = e.currentTarget.dataset.id
     
-    if (!this.data.isLoggedIn && id !== 'about' && id !== 'scan') {
+    if (!this.data.isLoggedIn && id !== 'about') {
       this.showLogin()
       return
     }
     
-    // 扫一扫：在「我的」内直接调起扫码
-    if (id === 'scan') {
-      wx.scanCode({
-        onlyFromCamera: false,
-        scanType: ['qrCode', 'barCode'],
-        success: (res) => {
-          wx.showToast({ title: '已识别', icon: 'success' })
-          if (res.result) {
-            wx.setClipboardData({ data: res.result })
-          }
-        },
-        fail: () => {}
-      })
-      return
-    }
-    
     const routes = {
       orders: '/pages/purchases/purchases',
       referral: '/pages/referral/referral',
-      about: '/pages/about/about',
-      settings: '/pages/settings/settings'
+      about: '/pages/about/about'
     }
     
     if (routes[id]) {
@@ -315,6 +295,55 @@ Page({
     }
   },
 
+  // 绑定微信号
+  bindWechat() {
+    wx.showModal({
+      title: '绑定微信号',
+      editable: true,
+      placeholderText: '请输入微信号',
+      success: async (res) => {
+        if (res.confirm && res.content) {
+          const wechat = res.content.trim()
+          if (!wechat) return
+          try {
+            wx.setStorageSync('user_wechat', wechat)
+            const userInfo = this.data.userInfo
+            userInfo.wechat = wechat
+            this.setData({ userInfo, userWechat: wechat })
+            app.globalData.userInfo = userInfo
+            wx.setStorageSync('userInfo', userInfo)
+            await app.request('/api/user/update', {
+              method: 'POST',
+              data: { userId: userInfo.id, wechat }
+            })
+            wx.showToast({ title: '绑定成功', icon: 'success' })
+          } catch (e) {
+            console.log('绑定微信号失败', e)
+            wx.showToast({ title: '已保存到本地', icon: 'success' })
+          }
+        }
+      }
+    })
+  },
+
+  // 清除缓存
+  clearCache() {
+    wx.showModal({
+      title: '清除缓存',
+      content: '确定要清除本地缓存吗？不会影响账号数据',
+      success: (res) => {
+        if (res.confirm) {
+          const userInfo = wx.getStorageSync('userInfo')
+          const token = wx.getStorageSync('token')
+          wx.clearStorageSync()
+          if (userInfo) wx.setStorageSync('userInfo', userInfo)
+          if (token) wx.setStorageSync('token', token)
+          wx.showToast({ title: '缓存已清除', icon: 'success' })
+        }
+      }
+    })
+  },
+
   // 跳转到阅读页
   goToRead(e) {
     const id = e.currentTarget.dataset.id