Regression Fear in AI-Generated Codebases — Why...

"Every PR is a gamble. We just don't know what it'll break." If your team has stopped merging on Fridays — or Thursdays — you're experiencing regression fear. Not a psychological problem. A structural one. This post explains the mechanism, how to measure it, and the fix. The Mechanism: Unbounded Blast Radius In a well-structured codebase, a change in module A affects module A and its direct dependents. The blast radius is bounded and predictable. In most AI-generated codebases past month 3, the