docs: freeze YuXinGu lexicon, journey, and P1 engineering sources

Establish product language contract, user journey with dual growth engines,
ERD/OpenAPI/Go boundaries, and H5 routes (/profile, /portrait, /relation,
/membership) before P1 implementation.

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

apps/user-h5/src/pages/MinePage.vue

@@ -1,8 +1,13 @@
 <template>
   <main class="page">
     <h1>我的</h1>
-    <p class="sub">档案 · 会员 · 订单</p>
-    <div class="card">登录与会员状态将在商业化阶段接入。</div>
+    <p class="sub">个人档案 · 成长报告 · 成长会员</p>
+    <ul class="list">
+      <li><router-link to="/profile">个人档案</router-link></li>
+      <li><router-link to="/portrait">个人画像</router-link></li>
+      <li><router-link to="/relation">关系理解</router-link></li>
+      <li><router-link to="/membership">成长会员</router-link></li>
+    </ul>
   </main>
 </template>
 
@@ -10,5 +15,6 @@
 .page{padding:24px 16px}
 h1{font-size:22px}
 .sub{color:var(--yxg-sub);font-size:13px;margin:6px 0 16px}
-.card{background:#fff;border-radius:16px;padding:18px;font-size:14px;color:#666;line-height:1.6}
+.list{background:#fff;border-radius:16px;padding:8px 16px;line-height:2.2;font-size:14px;color:#555}
+.list a{color:inherit;text-decoration:none}
 </style>