Function isModelNotFoundError

src/utils/errors.ts:98–143

(error: unknown)

}

export function isModelNotFoundError(error: unknown): boolean {
  if (error instanceof ModelNotFoundError) {
    return true;
  }

  if (error instanceof Error) {
    const message = error.message.toLowerCase();

    // OpenAI error patterns
    if (
      message.includes('model') &&
      (message.includes('not found') ||
        message.includes('does not exist') ||
        message.includes('invalid model'))
    ) {
      return true;
    }

    // Anthropic error patterns
    if (
      message.includes('model') &&
      (message.includes('not found') || message.includes('invalid'))
    ) {
      return true;
    }

    // Check for 404 status in axios/fetch errors
    if (
      'status' in (error as any) &&
      (error as any).status === 404 &&
      message.includes('model')
    ) {
      return true;
    }

    // Check for response status
    if ('response' in (error as any)) {
      const response = (error as any).response;
      if (response?.status === 404) {
        return true;
      }
    }
  }

  return false;
}

export function isApiKeyError(error: unknown): boolean {
  if (error instanceof ApiKeyMissingError) {