chore: heygermany customer project

apps/website/hooks/backoffice/useBackOfficeLogin.ts

@@ -0,0 +1,19 @@
+import { signInWithPassword } from "@/lib/auth"
+import { useMutation } from "@tanstack/react-query"
+import { useNavigate, useParams } from "@tanstack/react-router"
+
+export const useBackOfficeLogin = () => {
+  const navigate = useNavigate()
+  const { lang } = useParams({ strict: false }) as { lang?: string }
+  return useMutation({
+    mutationFn: async ({ email, password }: { email: string; password: string }) => {
+      return await signInWithPassword(email, password)
+    },
+    onSuccess: () => {
+      navigate({ to: `/${lang || 'en'}/backoffice/candidates`, replace: true })
+    },
+    onError: (error) => {
+      console.error('BackOffice login failed:', error)
+    }
+  })
+}