Listen up. If your automated content pipelines and coding agents suddenly started acting erratic this week, you are not losing your mind. You likely spent months perfecting your standard operating procedures, dialing in your prompts to get the exact tone and formatting you needed. Then, seemingly overnight, your AI outputs became overly verbose, refused to follow strict structural rules, or started hallucinating conversational fluff. The culprit is not your input; it is a massive, undocumented shift happening behind the scenes. A recent leak analyzing the core system prompts between Claude Opus 4.6 and 4.7 reveals exactly why your workflows are breaking—and how to instantly adapt.