Abri amend_job serialises the spec's amendoptiappt envelope with the surveyor resource last 🟩

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

infrastructure/abri/abri_client.py

@@ -56,6 +56,7 @@ class AbriClient:
                 ("action", "amend"),
                 ("appointment_date", request.appointment_date.strftime("%d/%m/%Y")),
                 ("appointment_time", request.appointment_time),
+                ("resource", request.resource or ""),
             ],
         )