Method getErrorMessage

src/lib/github-client.ts:304–322

* Get human-readable error message for HTTP status codes

(statusCode: number, apiError?: GitHubApiError)

   * Get human-readable error message for HTTP status codes
   */
  private getErrorMessage(statusCode: number, apiError?: GitHubApiError): string {
    const baseMessage = apiError?.message ?? `HTTP ${statusCode}`;

    switch (statusCode) {
      case 401:
        return `Authentication failed: ${baseMessage}. Check your GitHub token.`;
      case 403:
        if (baseMessage.toLowerCase().includes("rate limit")) {
          return `GitHub API rate limit exceeded. ${this.hasToken ? "Try again later." : "Consider using a GitHub token."}`;
        }
        return `Access forbidden: ${baseMessage}. Check repository permissions.`;
      case 404:
        return `Not found: ${baseMessage}`;
      case 422:
        return `Invalid request: ${baseMessage}`;
      default:
        return `GitHub API error: ${baseMessage}`;
    }
  }
}