Function notifySlackCriticalError

server/src/utils/posthog.ts:262–293

(message: string, error?: Error, module?: string)

let notifyingCriticalError = false;

function notifySlackCriticalError(message: string, error?: Error, module?: string): void {
  if (!OPS_ALERT_CHANNEL_ID) return;
  if (notifyingCriticalError) return;
  notifyingCriticalError = true;

  const safeMessage = sanitizeForSlack(message);
  const safeStack = error?.stack ? sanitizeForSlack(error.stack.slice(0, 500)) : '';

  import('../slack/client.js')
    .then(({ sendChannelMessage, isSlackConfigured }) => {
      if (!isSlackConfigured()) return;
      return sendChannelMessage(OPS_ALERT_CHANNEL_ID!, {
        text: `FATAL ERROR on ${process.env.FLY_APP_NAME || 'aao-server'}: ${safeMessage}`,
        blocks: [
          {
            type: 'section',
            text: {
              type: 'mrkdwn',
              text: [
                `:rotating_light: *FATAL ERROR* on \`${process.env.FLY_APP_NAME || 'aao-server'}\``,
                module ? `*Module:* \`${module}\`` : '',
                `*Message:* ${safeMessage}`,
                safeStack ? `\`\`\`${safeStack}\`\`\`` : '',
              ].filter(Boolean).join('\n'),
            },
          },
        ],
      });
    })
    .catch(() => {})
    .finally(() => { notifyingCriticalError = false; });
}