Method handleError

src/lib/github-client.ts:267–285

* Handle errors from Octokit and convert to GitHubClientError

(error: unknown)

   * Handle errors from Octokit and convert to GitHubClientError
   */
  private handleError(error: unknown): GitHubClientError {
    if (error instanceof GitHubClientError) {
      return error;
    }

    if (error instanceof RequestError) {
      const responseData = error.response?.data;
      const message = this.extractErrorMessage(responseData, error.message);
      const apiError: GitHubApiError | undefined = message ? { message } : undefined;
      const errorMessage = this.getErrorMessage(error.status, apiError);
      return new GitHubClientError(errorMessage, error.status, apiError);
    }

    if (error instanceof Error) {
      return new GitHubClientError(error.message);
    }

    return new GitHubClientError("Unknown error occurred");
  }

  /**
   * Extract error message from response data