Port modular features into boursecu and fix desktop login UX.

Add support chat, piggy funds, PWA banner, notification/SSE sync, and messenger legacy guards while keeping boursecu theme; also balance login panels and unblock login navigation.

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

src/router/index.ts

@@ -56,6 +56,12 @@ const router = createRouter({
                     meta: {hideMenu: true},
                     component: () => import('@/views/base/about/index.vue')
                 },
+                {
+                    path: 'support',
+                    name: 'support',
+                    meta: { hideBottomNav: true },
+                    component: () => import('@/views/support/index.vue')
+                },
                 {
                     path: 'notifyTrigger',
                     name: 'notifyTrigger',
@@ -127,6 +133,21 @@ const router = createRouter({
                     name: 'fund_add',
                     component: () => import('@/views/base/fund/newFund/index.vue')
                 },
+                {
+                    path: 'piggy',
+                    name: 'piggy',
+                    component: () => import('@/views/base/piggy/index.vue')
+                },
+                {
+                    path: 'piggy/add',
+                    name: 'piggy_add',
+                    component: () => import('@/views/base/piggy/new.vue')
+                },
+                {
+                    path: 'piggy/:id',
+                    name: 'piggy_info',
+                    component: () => import('@/views/base/piggy/info.vue')
+                },
             ]
         },
         {