earendil-works/pi · error · Error

Invalid device code response

Error message

Invalid device code response

What it means

Error "Invalid device code response" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/auth/oauth/github-copilot.ts:223

async function startDeviceFlow(domain: string, signal: AbortSignal): Promise<DeviceCodeResponse> {
	const urls = getUrls(domain);
	const data = await fetchJson(urls.deviceCodeUrl, {
		method: "POST",
		headers: {
			Accept: "application/json",
			"Content-Type": "application/x-www-form-urlencoded",
			"User-Agent": "GitHubCopilotChat/0.35.0",
		},
		body: new URLSearchParams({
			client_id: CLIENT_ID,
			scope: "read:user",
		}),
		signal,
	});

	if (!data || typeof data !== "object") {
		throw new Error("Invalid device code response");
	}

	const deviceCode = (data as Record<string, unknown>).device_code;
	const userCode = (data as Record<string, unknown>).user_code;
	const verificationUri = (data as Record<string, unknown>).verification_uri;
	const interval = (data as Record<string, unknown>).interval;
	const expiresIn = (data as Record<string, unknown>).expires_in;

	if (
		typeof deviceCode !== "string" ||
		typeof userCode !== "string" ||
		typeof verificationUri !== "string" ||
		(interval !== undefined && typeof interval !== "number") ||
		typeof expiresIn !== "number"
	) {
		throw new Error("Invalid device code response fields");
	}

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Retry the device code request; validate the response shape before use.

When it happens

Trigger: Thrown at packages/ai/src/auth/oauth/github-copilot.ts:223 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/647c20421bf5dc26. Report an issue: GitHub.