Function _postSystemError

server/src/addie/error-notifier.ts:156–197

(ctx: SystemErrorContext)

}

async function _postSystemError(ctx: SystemErrorContext): Promise<void> {
  const now = Date.now();
  const throttleKey = `system:${ctx.source}`;
  const lastPosted = recentErrors.get(throttleKey) ?? 0;
  if (now - lastPosted < SYSTEM_THROTTLE_MS) return;
  pruneStaleEntries(now);

  const setting = await getCachedErrorChannel();
  if (!setting?.channel_id) {
    logger.warn({ source: ctx.source, error: ctx.errorMessage.substring(0, 200) },
      'System error occurred but no error_slack_channel configured — alert dropped');
    return;
  }

  recentErrors.set(throttleKey, now);

  const quoted = ctx.errorMessage.substring(0, 500).split('\n').map(line => `> ${line}`).join('\n');
  const lines = [
    `:rotating_light: *System error: ${ctx.source}* [${processRole}]`,
    '',
    quoted,
  ];

  // See the matching comment in _postToolError — 'strict-public-only'
  // keeps system-error alerting alive when Slack API is flaky. Drops
  // only on confirmed drift.
  const result = await sendChannelMessage(
    setting.channel_id,
    { text: lines.join('\n') },
    { requirePrivate: 'strict-public-only' },
  );
  if (result.skipped === 'not_private') {
    logger.error(
      {
        source: ctx.source,
        errorMessage: ctx.errorMessage.substring(0, 200),
        event: 'error_channel_drift_silenced',
      },
      'System error suppressed because error_slack_channel is no longer private — admin must re-privatize or reconfigure. Original error lost to Slack but recorded here.',
    );
  }
}