v1.19 全面改版：VIP会员系统、我的收益、创业老板排行、阅读量排序

- 后端: users表新增VIP字段, 4个VIP API (purchase/status/profile/members)
- 后端: hot接口改按user_tracks阅读量排序
- 后端: orders表支持vip产品类型, migrate新增vip_fields迁移
- 小程序「我的」: 推广中心改为我的收益, 头像VIP标识, VIP入口卡片
- 小程序「我的」: 最近阅读显示真实章节名称
- 小程序首页: 去掉内容概览, 新增创业老板排行(4列网格)
- 小程序首页: 精选推荐从hot接口获取, goToRead增加track记录
- 新增页面: VIP详情页, 会员详情页
- 开发文档精简为10个标准目录, 创建SKILL.md, 需求日志规范化

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

miniprogram/pages/vip/vip.js

@@ -0,0 +1,107 @@
+const app = getApp()
+
+Page({
+  data: {
+    statusBarHeight: 44,
+    isVip: false,
+    daysRemaining: 0,
+    expireDateStr: '',
+    price: 1980,
+    rights: [],
+    profile: { name: '', project: '', contact: '', bio: '' },
+    purchasing: false
+  },
+
+  onLoad() {
+    this.setData({ statusBarHeight: app.globalData.statusBarHeight })
+    this.loadVipInfo()
+  },
+
+  async loadVipInfo() {
+    const userId = app.globalData.userInfo?.id
+    if (!userId) return
+    try {
+      const res = await app.request(`/api/vip/status?userId=${userId}`)
+      if (res?.success) {
+        const d = res.data
+        let expStr = ''
+        if (d.expireDate) {
+          const dt = new Date(d.expireDate)
+          expStr = `${dt.getFullYear()}-${String(dt.getMonth()+1).padStart(2,'0')}-${String(dt.getDate()).padStart(2,'0')}`
+        }
+        this.setData({
+          isVip: d.isVip,
+          daysRemaining: d.daysRemaining,
+          expireDateStr: expStr,
+          price: d.price || 1980,
+          rights: d.rights || ['解锁全部章节内容（365天）','匹配所有创业伙伴','创业老板排行榜展示','专属VIP标识']
+        })
+        if (d.isVip) this.loadProfile(userId)
+      }
+    } catch (e) {
+      console.log('[VIP] 加载失败', e)
+      this.setData({ rights: ['解锁全部章节内容（365天）','匹配所有创业伙伴','创业老板排行榜展示','专属VIP标识'] })
+    }
+  },
+
+  async loadProfile(userId) {
+    try {
+      const res = await app.request(`/api/vip/profile?userId=${userId}`)
+      if (res?.success) this.setData({ profile: res.data })
+    } catch (e) { console.log('[VIP] 资料加载失败', e) }
+  },
+
+  async handlePurchase() {
+    const userId = app.globalData.userInfo?.id
+    if (!userId) { wx.showToast({ title: '请先登录', icon: 'none' }); return }
+    this.setData({ purchasing: true })
+    try {
+      const res = await app.request('/api/vip/purchase', { method: 'POST', data: { userId } })
+      if (res?.success) {
+        // 调用微信支付
+        const payRes = await app.request('/api/miniprogram/pay', {
+          method: 'POST',
+          data: { orderSn: res.data.orderSn, openId: app.globalData.openId }
+        })
+        if (payRes?.success && payRes.payParams) {
+          wx.requestPayment({
+            ...payRes.payParams,
+            success: () => {
+              wx.showToast({ title: 'VIP开通成功', icon: 'success' })
+              this.loadVipInfo()
+            },
+            fail: () => wx.showToast({ title: '支付取消', icon: 'none' })
+          })
+        } else {
+          wx.showToast({ title: '支付参数获取失败', icon: 'none' })
+        }
+      } else {
+        wx.showToast({ title: res?.error || '创建订单失败', icon: 'none' })
+      }
+    } catch (e) {
+      console.error('[VIP] 购买失败', e)
+      wx.showToast({ title: '购买失败', icon: 'none' })
+    } finally { this.setData({ purchasing: false }) }
+  },
+
+  onNameInput(e) { this.setData({ 'profile.name': e.detail.value }) },
+  onProjectInput(e) { this.setData({ 'profile.project': e.detail.value }) },
+  onContactInput(e) { this.setData({ 'profile.contact': e.detail.value }) },
+  onBioInput(e) { this.setData({ 'profile.bio': e.detail.value }) },
+
+  async saveProfile() {
+    const userId = app.globalData.userInfo?.id
+    if (!userId) return
+    const p = this.data.profile
+    try {
+      const res = await app.request('/api/vip/profile', {
+        method: 'POST',
+        data: { userId, name: p.name, project: p.project, contact: p.contact, bio: p.bio }
+      })
+      if (res?.success) wx.showToast({ title: '资料已保存', icon: 'success' })
+      else wx.showToast({ title: res?.error || '保存失败', icon: 'none' })
+    } catch (e) { wx.showToast({ title: '保存失败', icon: 'none' }) }
+  },
+
+  goBack() { wx.navigateBack() }
+})