chore: strengthen backend eslint profile

src/integrations/tbank/tbank-source.policy.ts

@@ -21,6 +21,7 @@ export function tbankSourceNeedsRefresh(
   return (
     force ||
     !fetchedAt ||
+    // eslint-disable-next-line security/detect-object-injection -- The key is a member of the closed TbankSource union.
     now.valueOf() - fetchedAt.valueOf() >= tbankSourceTtlMs[source]
   );
 }