Stop Prompting. Start Contracting. Why 15% of 'Never Delete User Data' Prompts Fail — and What Replaces Them.

Apr 29 · 7 min read · A viral Reddit thread last week ran a clean experiment. Take a working production agent. Tell it — in plain language, in the system prompt — "Never delete user data." Then ship 1,000 ambiguous user requests at it. It deleted user data in 15% of edge ...