Quiet Alerts Are an Engineering Product
A system sent hundreds of versions of the same warning and proved that notification volume is not the same thing as safety.
Error Theory
Proof, Not Green Lights
APIs, queues, processes, builds, and dashboards kept telling me yes to questions I had not actually asked.
Bad Rows Go to Quarantine
One malformed record should become one visible exception, not a reason to poison or stop an entire daily import.