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't actually have a usable account If you've ever built a local developer tool around browser OAuth, this pattern will probably feel familiar. The Setup CliGate is a local gateway for AI coding tools. It lets tools like Claude Code , Codex CLI , Gemini CLI , and OpenClaw talk to one local control plane on localhost , while CliGate handles account pools, API key routing, protocol translation, dashboard chat, and tool-specific config.…