FASE 4-5-6: Infraestructura, CRM, Service Orders, Notificaciones, Ahorro, Logistica, API Publica

FASE 4:
- Redis cache de stock con fallback graceful
- Multi-moneda (MXN/USD) con contabilidad en MXN
- Proveedores y ordenes de compra completo
- Meilisearch 1.5M+ partes indexadas
- Metabase KPIs con dashboard auto-generado

FASE 5:
- CRM mejorado: activities, tags, loyalty program, analytics
- Imagenes de partes: upload, resize, thumbnails WebP
- Ordenes de servicio Kanban: received->diagnosis->repair->ready->delivered
- Garantias/RMA, alertas de reorden, multi-sucursal
- Stubs BNPL (APLAZO) y ERP Sync (Aspel/Contpaqi)

FASE 6:
- Notificaciones automaticas: push/WhatsApp/email/in-app
- Reportes de ahorro vs retail_price
- Logistica + tracking: DHL, FedEx, Estafeta, 99min, Uber
- API Publica: API keys, rate limiting, catalog search

Migraciones: v1.9-v3.0
Tests: 93/93 pasando
Backup: nexus_backup_20260427_045859.tar.gz

docker/docker-compose.metabase.yml

@@ -0,0 +1,24 @@
+services:
+  metabase:
+    image: metabase/metabase:latest
+    container_name: nexus-metabase
+    network_mode: host
+    environment:
+      - MB_DB_TYPE=postgres
+      - MB_DB_DBNAME=metabase
+      - MB_DB_PORT=5432
+      - MB_DB_USER=metabase
+      - MB_DB_PASS=${METABASE_DB_PASS:-metabase_secret}
+      - MB_DB_HOST=localhost
+      - JAVA_OPTS=-Xmx2g
+    volumes:
+      - metabase_data:/metabase-data
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:3000/api/health"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  metabase_data: