Who pays when the AI hires another AI?

The moment agent-to-agent commerce stopped being theoretical, what Anthropic's Project Deal actually showed, and the three questions about attribution, authorization, and audit that will determine whether the agent economy is legible to anyone after the fact. Introduction A research agent has been set up to deliver a morning briefing. Its owner configured it once, on a Thursday in March, and asked it to pull together a summary of relevant news every day at 8am. On a particular mor...