Initial commit: mini-erp (backend FastAPI + frontend React/Vite)

Base para el flujo de ramas por cliente.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

mini-backend/test/sap-aberio/BusinessPartners.yml

@@ -0,0 +1,21 @@
+info:
+  name: BusinessPartners
+  type: http
+
+http:
+  method: GET
+  url: https://192.168.9.3:50000/b1s/v1/BusinessPartners?$select=CardCode, CardName,FederalTaxID&$filter=contains(CardName, 'FERRETERIA') and CardType eq 'cCustomer'
+  params:
+    - name: $select
+      value: CardCode, CardName,FederalTaxID
+      type: query
+    - name: $filter
+      value: contains(CardName, 'FERRETERIA') and CardType eq 'cCustomer'
+      type: query
+  auth: inherit
+
+settings:
+  encodeUrl: true
+  timeout: 0
+  followRedirects: true
+  maxRedirects: 5