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-frontend/src/views/inventario/BatchNumberDetails.tsx

@@ -0,0 +1,22 @@
+import { useSearchParams } from "react-router-dom";
+import BatchForm from "../../components/BatchForm";
+
+export default function BatchNumberDetails() {
+  const [searchParams] = useSearchParams();
+  const batchId = searchParams.get("code");
+
+  if (!batchId) {
+    return (
+      <div className="p-4 text-xs text-[var(--color-error)]">
+        No se especificó un lote para editar.
+      </div>
+    );
+  }
+
+  return (
+    <BatchForm
+      batchId={batchId}
+      backPath="/inventario/lotes"
+    />
+  );
+}