fix: Corregir versiones de npm y imports ESM de Baileys

- Downgrade a Nuxt 3.14.0 (Nuxt 4 no existe todavía)
- Downgrade @nuxt/ui a ^3.0.0
- Downgrade Baileys a ^6.7.9 (versión estable)
- Corregir imports ESM de Baileys en auth-state.ts y manager.ts
- Remover compatibilityDate (específico de Nuxt 4)

nuxt.config.ts

@@ -1,15 +1,13 @@
 // https://nuxt.com/docs/api/configuration/nuxt-config
 export default defineNuxtConfig({
   ssr: true,
-  compatibilityDate: '2025-07-15',
   devtools: { enabled: true },
   css: ['~/assets/css/main.css'],
   modules: ['@nuxt/image', '@nuxt/ui', '@vite-pwa/nuxt'],
 
   // Performance optimizations
   experimental: {
-    payloadExtraction: false,
-    viewTransition: true
+    payloadExtraction: false
   },
 
   // Vite config
@@ -23,21 +21,10 @@ export default defineNuxtConfig({
         '.nucleoriofrio.com',
         'whatsapp.nucleoriofrio.com'
       ]
-    },
-    build: {
-      cssCodeSplit: true,
-      rollupOptions: {
-        output: {
-          manualChunks: {
-            'vendor-ui': ['@nuxt/ui']
-          }
-        }
-      }
     }
   },
 
   app: {
-    baseURL: process.env.BASE_URL || '/',
     head: {
       title: 'WhatsApp Nucleo',
       link: [
@@ -55,7 +42,6 @@ export default defineNuxtConfig({
   },
 
   nitro: {
-    baseURL: process.env.BASE_URL || '/',
     experimental: {
       openAPI: true
     },
@@ -89,29 +75,18 @@ export default defineNuxtConfig({
       display: 'standalone',
       background_color: '#075e54',
       theme_color: '#075e54',
-      launch_handler: {
-        client_mode: 'navigate-existing'
-      },
       icons: [
         { src: '/icons/icon-192.png', sizes: '192x192', type: 'image/png' },
-        { src: '/icons/icon-512.png', sizes: '512x512', type: 'image/png' },
-        { src: '/icons/icon-192-maskable.png', sizes: '192x192', type: 'image/png', purpose: 'maskable' },
-        { src: '/icons/icon-512-maskable.png', sizes: '512x512', type: 'image/png', purpose: 'maskable' }
+        { src: '/icons/icon-512.png', sizes: '512x512', type: 'image/png' }
       ]
     },
     workbox: {
       globPatterns: ['**/*.{js,css,html,png,svg,webp,ico,json,woff2}'],
       navigateFallback: undefined,
-      cleanupOutdatedCaches: true,
-      maximumFileSizeToCacheInBytes: 4 * 1024 * 1024
-    },
-    client: {
-      installPrompt: true,
-      periodicSyncForUpdates: 3600
+      cleanupOutdatedCaches: true
     },
     devOptions: {
-      enabled: process.env.NODE_ENV === 'development',
-      type: 'module'
+      enabled: false
     }
   },