fix 1.26.1: public order settle uses StatusPaidResponse

lib.sh

@@ -22,6 +22,28 @@ taler_mon_resolve_wallet_db() {
   printf '%s\n' "$p"
 }
 
+# Merchant order JSON is paid? Public GET: StatusPaidResponse (refunded / refund_taken).
+# Spec does not put paid / order_status there (those are private CheckPaymentPaidResponse).
+merchant_order_json_is_paid() {
+  python3 -c '
+import json, sys
+for p in sys.argv[1:]:
+  try:
+    d = json.load(open(p))
+  except Exception:
+    continue
+  if not isinstance(d, dict):
+    continue
+  if d.get("paid") is True or str(d.get("order_status") or "").lower() == "paid":
+    raise SystemExit(0)
+  if d.get("taler_pay_uri"):
+    continue
+  if "refunded" in d or "refund_amount" in d or "refund_taken" in d:
+    raise SystemExit(0)
+raise SystemExit(1)
+' "$@"
+}
+
 # Load host env once (before any := defaults)
 if [ "${_TALER_MON_ENV_LOADED:-0}" != "1" ]; then
   _mon_cfg="${TALER_MONITORING_ENV:-${XDG_CONFIG_HOME:-$HOME/.config}/taler-monitoring/env}"