Function getKnownModelOption

src/utils/model/modelOptions.ts:470–498

* Returns a ModelOption for a known Anthropic model with a human-readable * label, and an upgrade hint if a newer version is available via the alias. * Returns null if the model is not recognized.

(model: string)

 * Returns null if the model is not recognized.
 */
function getKnownModelOption(model: string): ModelOption | null {
  const marketingName = getMarketingNameForModel(model)
  if (!marketingName) return null

  const familyInfo = getModelFamilyInfo(model)
  if (!familyInfo) {
    return {
      value: model,
      label: marketingName,
      description: model,
    }
  }

  // Check if the alias currently resolves to a different (newer) version
  if (marketingName !== familyInfo.currentVersionName) {
    return {
      value: model,
      label: marketingName,
      description: `Newer version available · select ${familyInfo.alias} for ${familyInfo.currentVersionName}`,
    }
  }

  // Same version as the alias — just show the friendly name
  return {
    value: model,
    label: marketingName,
    description: model,
  }
}

export function getModelOptions(fastMode = false): ModelOption[] {
  const options = getModelOptionsBase(fastMode)