Function checkEndpoint

src/utils/preflightChecks.tsx:51–85

(
      endpoint: PreflightEndpointCheck,
    )

  try {
    const endpoints = getPreflightEndpointChecks();
    const checkEndpoint = async (
      endpoint: PreflightEndpointCheck,
    ): Promise<PreflightCheckResult> => {
      try {
        const response = await axios.request({
          url: endpoint.url,
          method: endpoint.method,
          data: endpoint.data,
          timeout: 5000,
          validateStatus: () => true,
          headers: {
            'User-Agent': getUserAgent(),
            ...endpoint.headers,
          }
        });
        if (!endpoint.expectedStatuses.includes(response.status)) {
          const hostname = new URL(endpoint.url).hostname;
          return {
            success: false,
            error: `Failed to connect to ${hostname}: Status ${response.status}`
          };
        }
        return {
          success: true
        };
      } catch (error) {
        const hostname = new URL(endpoint.url).hostname;
        const sslHint = getSSLErrorHint(error);
        return {
          success: false,
          error: `Failed to connect to ${hostname}: ${error instanceof Error ? (error as ErrnoException).code || error.message : String(error)}`,
          sslHint: sslHint ?? undefined
        };
      }
    };
    const results = await Promise.all(endpoints.map(checkEndpoint));
    const failedResult = results.find(result => !result.success);
    if (failedResult) {