Originally published at aideazz.xyz — cross-posted here with canonical link. A newly added data source ran on schedule for a full day, logged a healthy count every hour, and delivered nothing at all downstream. The system reported success, but the output queue was empty. This was not a silent failure; it was a loud success that produced nothing. The root cause was a dedup ledger stamping items as handled before a processing cap was applied. My AI agent queue incident meant 175 items were ...