AI Gateway Header Builder (shared/ai-gateway-headers.ts)

Generates HTTP headers required for AI Gateway requests, including Stripe customer identifiers for usage attribution and billing.

// Source: https://github.com/mperkins0155/giselle | License: Apache-2.0 | Copyright 2024 ROUTE06, Inc
// Provided via justclaw.it.com; keep this notice with the code.
import type { TeamWithSubscription } from "@/services/teams";

/**
 * Build AI Gateway headers for billing attribution.
 * This function creates headers required for AI Gateway requests,
 * including Stripe customer ID for usage tracking.
 */
export function buildAiGatewayHeaders(
	team: TeamWithSubscription | null,
): Record<string, string> {
	const headers: Record<string, string> = {
		"http-referer":
			process.env.AI_GATEWAY_HTTP_REFERER ?? "https://giselles.ai",
		"x-title": process.env.AI_GATEWAY_X_TITLE ?? "Giselle",
	};

	const stripeCustomerId = team?.activeCustomerId ?? undefined;
	if (stripeCustomerId !== undefine

... (truncated -- full source via MCP)