Sanitise subscription status (hypothesis edge case)

rctab/routers/accounting/status.py

@@ -77,6 +77,16 @@ async def post_status(
         await insert_subscriptions_if_not_exists(unique_subscriptions)
 
         for new_status in all_status.status_list:
+            temp = new_status.model_dump_json().encode("utf-8")
+            if b"\\u0000" in temp:
+                logger.warning(
+                    "Subscription Status contained unexpected unicode NULL codepoint: %s",
+                    new_status,
+                )
+                new_status = SubscriptionStatus.model_validate_json(
+                    temp.replace(b"\\u0000", b"NUL").decode("utf-8")
+                )
+
             # We want the most recent status for this subscription.
             status_select = (
                 subscription_details.select()