Function extractModelId

packages/arctic/src/provider/pricing.ts:117–120

* Extract model ID from full model string (strip provider prefix)

(modelId: string)

   * Extract model ID from full model string (strip provider prefix)
   */
  function extractModelId(modelId: string): string {
    const parts = modelId.split("/")
    return parts.length > 1 ? parts[1] : parts[0]
  }

  function codexBaseModelId(modelId: string): string | null {
    if (!modelId.includes("codex")) {