HOST: So if I'm maintaining instructions for an AI assistant at work, why should I care? EXPERT: You might need a way to revisit instructions as the assistant changes. This paper explores doing that during training, though it did not test a workplace assistant. HOST: So why wouldn't I just keep every instruction that's helped before? EXPERT: An old instruction can become misleading. Imagine shopping advice that always says to pick an item as soon as its title matches, even when the request has other conditions. HOST: So, how does SkillForge decide what to keep? EXPERT: It tracks task successes and failures when an instruction called a skill is supplied. It tests starting skills, then can keep, retire, or rewrite skills while the agent learns. HOST: So, what exactly did the authors measure to evaluate that process? EXPERT: On the WebShop heldout tasks, they report 78.4 percent task success for SkillForge and 72.7 percent for SkillRL. That score is about completed shopping requests, not partial progress. HOST: So does a successful task really prove which instruction made the difference? EXPERT: No. The authors say an instruction supplied together share one outcome, so individual credit is uncertain. They also tested one base model size and relied on another model to draft revisions. The takeaway here is a training approach to study, not a demonstrated workplace fix.