fix: login landing from menu_access, silent optional Layout 403

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

src/router/index.js

@@ -4,7 +4,8 @@ import request from '@/utils/request'
 import {
   ensureMenuAccess,
   getMenuAccess,
-  getFirstVisiblePath,
+  getDefaultLandingPath,
+  getEffectiveVisiblePaths,
   isMenuSessionFresh,
   JITUAN_API,
 } from '@/utils/club-context'
@@ -17,10 +18,13 @@ const routes = [
   {
     path: '/',
     component: Layout,
-    redirect: () => getFirstVisiblePath() || '/order/platform',
+    redirect: () => getDefaultLandingPath() || '/welcome',
     children: [
-	
-	
+      {
+        path: 'welcome',
+        component: () => import('@/views/Welcome.vue'),
+        meta: { title: '首页' }
+      },
       // ========== 板块与财务 ==========
       {
         path: 'finance/bankuai',
@@ -352,18 +356,31 @@ router.beforeEach(async (to, from, next) => {
   }
 
   const access = getMenuAccess()
-  if (!isMenuSessionFresh() || !access?.visible_paths?.length) {
+
+  if (!isMenuSessionFresh()) {
+    next()
+    return
+  }
+
+  if (to.path === '/welcome') {
+    next()
+    return
+  }
+
+  if (!getEffectiveVisiblePaths(access).length) {
+    if (to.path !== '/welcome') {
+      next('/welcome')
+      return
+    }
     next()
     return
   }
 
   const path = to.path
-  if (!isRouteAllowed(path, access.visible_paths)) {
-    const fallback = getFirstVisiblePath()
-    if (fallback && path !== fallback) {
-      next(fallback)
-      return
-    }
+  if (!isRouteAllowed(path, getEffectiveVisiblePaths(access))) {
+    const fallback = getDefaultLandingPath(access) || '/welcome'
+    next(fallback)
+    return
   }
   next()
 })