"I Thought Adding Google-Style OAuth to My Local AI Gateway Would Take One Evening"

I thought adding another account type to my local AI gateway would be a small job. Open the browser. Get the OAuth code. Exchange it for tokens. Save the account. Done. That was the theory. In practice, wiring Antigravity into CliGate turned into a chain of problems that all looked solved until the next request failed. This is the kind of integration bug that feels trivial from a distance: the login window opens Google sign-in succeeds the success page closes and then your app still doesn'...