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.meilisearch.yml

@@ -0,0 +1,20 @@
+services:
+  meilisearch:
+    image: getmeili/meilisearch:v1.12
+    container_name: nexus-meilisearch
+    ports:
+      - "7700:7700"
+    environment:
+      - MEILI_MASTER_KEY=${MEILI_MASTER_KEY:-nexus-master-key-change-me}
+      - MEILI_NO_ANALYTICS=true
+    volumes:
+      - meili_data:/meili_data
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:7700/health"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  meili_data: