Shopify's Security Harness Makes Tests… — Week 31 Web Development

Week 31 makes the case that the durable part of AI-assisted engineering is the harness around the model. Shopify's Dispatch partitions large applications, runs specialized hunters in parallel, and then requires a different model to prove each candidate with an integration test before developers see it. Across more than 80 applications, the system produced over 300 findings; full scans cost roughly 50–300 dollars and incremental scans 5–50 dollars, while two findings would have rated Critical.