When a clerk-approved model is registered, retraining should start from that event, not from a help-desk ticket. The pipeline already exists. What should they wire?
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Short Explanation
When a clerk-approved model is registered, retraining should start from that event. Route a CloudTrail-backed event through EventBridge to the existing pipeline. Rebuilding the pipeline each time is not the trigger, and a human watching the console is the ticket they want gone.
Full Explanation
CloudTrail can log the registry or RegisterModel activity, and EventBridge can start the already-built retrain pipeline from that event. Rebuilding the pipeline each time is not the trigger. Comprehend is not that hook, and a human watching the console is the ticket the item is meant to remove.