chore: seal Design Vision v1 and monorepo scaffold

Archive the differentiated YuXinGu product docs, AI engineering system,
design contract, and Go/Vue scaffold. Next execution prioritizes Cece-parity
over early innovation (see .ai/product/STRATEGY.md).

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

apps/user-h5/src/router/index.ts

@@ -0,0 +1,15 @@
+import { createRouter, createWebHistory } from 'vue-router'
+
+const router = createRouter({
+  history: createWebHistory(),
+  routes: [
+    { path: '/', name: 'home', component: () => import('../pages/HomePage.vue'), meta: { tab: true } },
+    { path: '/explore', name: 'explore', component: () => import('../pages/ExplorePage.vue'), meta: { tab: true } },
+    { path: '/ask', name: 'ask', component: () => import('../pages/AskPage.vue'), meta: { tab: true } },
+    { path: '/companion', name: 'companion', component: () => import('../pages/CompanionPage.vue'), meta: { tab: true } },
+    { path: '/mine', name: 'mine', component: () => import('../pages/MinePage.vue'), meta: { tab: true } },
+    { path: '/decode', name: 'decode', component: () => import('../pages/DecodePage.vue'), meta: { tab: false } },
+  ],
+})
+
+export default router