The Model Asked, the Tool Said No

Access control belongs below the prompt: filter before ranking, one error message for ‘missing’ and ‘forbidden’, identity from the caller. Plus the three false alarms my own security scorer raised.

The Blind Set Went Stale

An agent looked 12/14 vs 7/14 on a blind set I had quietly reused. On a freshly frozen set it tied single-shot RAG at 10/12—at three times the cost.