更新开发文档，强调接口路径必须按使用方区分，禁止通用路径混用。新增小程序分享功能，统一使用推荐码，确保用户体验一致性。

miniprogram/pages/index/index.js

@@ -149,7 +149,7 @@ Page({
   // 从服务端获取精选推荐（加权算法：阅读量50% + 时效30% + 付款率20%）和最新更新
   async loadFeaturedFromServer() {
     try {
-      const res = await app.request({ url: '/api/book/all-chapters', silent: true })
+      const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
       const chapters = (res && res.data) ? res.data : (res && res.chapters) ? res.chapters : []
       let featured = (res && res.featuredSections) ? res.featuredSections : []
       // 服务端未返回精选时，从前端按更新时间取前3条有效章节作为回退
@@ -199,7 +199,7 @@ Page({
 
   async loadBookData() {
     try {
-      const res = await app.request({ url: '/api/book/all-chapters', silent: true })
+      const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
       if (res && (res.data || res.chapters)) {
         const chapters = res.data || res.chapters || []
         this.setData({
@@ -254,7 +254,7 @@ Page({
 
   async loadLatestChapters() {
     try {
-      const res = await app.request({ url: '/api/book/all-chapters', silent: true })
+      const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
       const chapters = (res && res.data) || (res && res.chapters) || []
       const latest = chapters
         .filter(c => (c.sectionOrder || c.sort_order || 0) > 62)
@@ -288,5 +288,13 @@ Page({
     await this.initData()
     this.updateUserStatus()
     wx.stopPullDownRefresh()
+  },
+
+  onShareAppMessage() {
+    const ref = app.getMyReferralCode()
+    return {
+      title: 'Soul创业派对 - 真实商业故事',
+      path: ref ? `/pages/index/index?ref=${ref}` : '/pages/index/index'
+    }
   }
 })