diff --git a/scripts/e4-live-check.sh b/scripts/e4-live-check.sh
new file mode 100644
index 0000000..28686c5
--- /dev/null
+++ b/scripts/e4-live-check.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+# E4 живая проверка: операция, contour_operation_id, ошибка без токена (ожидаемо 503)
+set -e
+TOKEN=$(curl -s -m 15 -X POST localhost:8000/api/v1/auth/login \
+  -H 'Content-Type: application/x-www-form-urlencoded' \
+  --data 'username=admin&password=pass123' \
+  | python3 -c 'import sys,json; print(json.load(sys.stdin)["access_token"])')
+CASE_ID=$(curl -s -m 15 "localhost:8000/api/v1/cases?limit=1" -H "Authorization: Bearer $TOKEN" | python3 -c 'import sys,json; print(json.load(sys.stdin)["items"][0]["id"])')
+echo "=== операции кейса (case_id-фильтр):"
+OPS=$(curl -s -m 15 "localhost:8000/api/v1/operations?case_id=$CASE_ID" -H "Authorization: Bearer $TOKEN")
+echo "$OPS" | python3 -c 'import sys,json; d=json.load(sys.stdin); print("found:", d["total"])'
+OID=$(echo "$OPS" | python3 -c 'import sys,json; d=json.load(sys.stdin); print(d["items"][0]["id"] if d["items"] else "")')
+if [ -z "$OID" ]; then
+  OID=$(curl -s -m 15 -X POST localhost:8000/api/v1/operations -H "Authorization: Bearer $TOKEN" \
+    -H 'Content-Type: application/json' -d "{\"title\": \"E4-тест\", \"case_id\": \"$CASE_ID\"}" \
+    | python3 -c 'import sys,json; print(json.load(sys.stdin)["id"])')
+  echo "создана операция: $OID"
+fi
+echo "=== отправка без CONTOUR_TOKEN (ожидаем 503 с понятным detail):"
+curl -s -m 15 -X POST "localhost:8000/api/v1/operations/$OID/send-to-contour" -H "Authorization: Bearer $TOKEN" | head -c 150
+echo
+echo "=== привязка contour_operation_id:"
+curl -s -m 15 -X PATCH "localhost:8000/api/v1/operations/$OID" -H "Authorization: Bearer $TOKEN" \
+  -H 'Content-Type: application/json' \
+  -d '{"contour_operation_id": "22222222-2222-4222-8222-000000000001"}' > /dev/null
+echo "=== отправка с токеном-заглушкой (КОНТУР CT130 недоступен с ВЕКТОРа? ожидаем 502/или успех):"
+curl -s -m 35 -X POST "localhost:8000/api/v1/operations/$OID/send-to-contour" -H "Authorization: Bearer $TOKEN" | head -c 300
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