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Over the past few months, four AI giants quietly rebuilt the same thing at once: AWS, Microsoft, Google, and Anthropic each shipped agent runtime updates that point to the same architectural shift. [...] It is a move from request-level load balancing to session-aware execution.

Everyone's writing code with AI agents today. But the moment an agent needs to deploy something, and needs to sign up and create an account, it slams face-first into a wall built for humans: a browser-based OAuth flow, a dashboard to click through, an API token to copy-paste, a multi-factor authentication prompt to satisfy. For an interactive copil

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