feat: WhatsApp bridge con Baileys directo — QR funcional

Reemplaza Evolution API con bridge Node.js propio usando Baileys.
QR se genera en ~10 segundos. Auto-reply con chatbot IA.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker/docker-compose.evolution.yml

@@ -1,23 +1,26 @@
-version: '3'
 services:
   evolution-api:
     image: atendai/evolution-api:latest
     container_name: evolution-api
     restart: always
-    ports:
-      - "8080:8080"
+    network_mode: host
     environment:
       - SERVER_URL=http://localhost:8080
+      - SERVER_PORT=8080
       - AUTHENTICATION_API_KEY=nexus-evolution-key-2026
       - DATABASE_ENABLED=true
       - DATABASE_PROVIDER=postgresql
-      - DATABASE_CONNECTION_URI=postgresql://nexus:nexus_autoparts_2026@host.docker.internal:5432/evolution_api
+      - DATABASE_CONNECTION_URI=postgresql://nexus:nexus_autoparts_2026@localhost:5432/evolution_api
       - DATABASE_CONNECTION_CLIENT_NAME=evolution
       - QRCODE_LIMIT=10
-      - WEBHOOK_GLOBAL_URL=http://host.docker.internal:5001/pos/api/whatsapp/webhook
+      - WEBHOOK_GLOBAL_URL=http://localhost:5001/pos/api/whatsapp/webhook
       - WEBHOOK_GLOBAL_ENABLED=true
       - WEBHOOK_EVENTS_MESSAGES_UPSERT=true
+      - CACHE_REDIS_ENABLED=false
+      - CACHE_LOCAL_ENABLED=true
+      - LOG_LEVEL=DEBUG
     volumes:
       - evolution_data:/evolution/instances
+
 volumes:
   evolution_data:

docker/docker-compose.whatsapp.yml

@@ -0,0 +1,16 @@
+services:
+  wppconnect:
+    image: wppconnect/server:latest
+    container_name: wppconnect
+    restart: always
+    network_mode: host
+    environment:
+      - HOST=0.0.0.0
+      - PORT=21465
+      - SECRET_KEY=nexus-wpp-secret-2026
+      - LOG_LEVEL=info
+    volumes:
+      - wpp_tokens:/home/node/app/tokens
+
+volumes:
+  wpp_tokens: