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Paweł BanaszewskiandDanny Kopping
ccba3969ab
> AI Tools were used to produce this PR This PR adds `coder ai-gateway start` command that runs the AI Gateway as an independent process. - Standalone process doesn't have access to DB. Uses DRPC services under `/api/v2/ai-gateway/serve`for auth, recording and provider initialization. - It only handles LLM traffic, other endpoints (eg. `/sessions`) are only available though `coderd`. - The standalone gateway reuses applicable flags from AI Gateway deployment options. Provider-seeding and coderd-only options are excluded. - Only added to fat build, the slim build stub rejects the command. Some wiring used by this new command is added. **`NewWebsocketDialer`** - implements the standalone gateway's connection to coderd's `/api/v2/ai-gateway/serve` endpoint. It upgrades to a WebSocket, multiplexes with yamux, and wires all DRPC services. **`AIGatewayDataPlaneMiddleware`** - extracts the per-request middleware chain (concurrency limiting, rate limiting, BYOK gating) into a shared function used by both the embedded route and the standalone gateway. **`RootCmd.ResolveClientConnection`** - resolve the deployment URL and builds an HTTP transport without requiring a session token. Used in `ai-gateway start`command as it authenticates using different credential type. --------- Co-authored-by: Danny Kopping <danny@coder.com>