Function selectTokenFromPool

src/index.ts:70–75

(tokens: { id: string; token: string }[])

let tokenRoundRobinIndex = 0;

function selectTokenFromPool(tokens: { id: string; token: string }[]): string | null {
  if (tokens.length === 0) return null;
  const idx = tokenRoundRobinIndex % tokens.length;
  tokenRoundRobinIndex++;
  return tokens[idx].token;
}

async function authenticate(request: Request, env: Env): Promise<string> {
  const apiKeys = extractAPIKeys(request);