Your workflow owns causality.Long Tail owns uncertainty.

import { Durable } from '@hotmeshio/hotmesh';
import { conditional, type LTEnvelope } from '@hotmeshio/long-tail';
import * as activities from './activities';

const { analyzeContent } = Durable.workflow.proxyActivities<typeof activities>({ activities });

export async function reviewContent(envelope: LTEnvelope) {
  const analysis = await analyzeContent(envelope.data.content);
  if (analysis.confidence >= 0.85) {
    return { data: { approved: true, analysis } };
  }

  const { workflowId } = Durable.workflow.workflowInfo();
  const decision = await conditional<{ decision: 'approve' | 'reject'; notes?: string }>(`review-${workflowId}`, {
    role: 'reviewer',
    type: 'content-review',
    priority: 2,
    description: `Confidence ${analysis.confidence}. Needs a human.`,
    metadata: { contentId: envelope.data.contentId },
    timeout: '72h',
    schemaVersion: 1,
  });

  if (decision === false) return { data: { approved: false, reason: 'sla' } };
  if (decision === null) return { data: { cancelled: true } };
  return { data: { approved: decision.decision === 'approve', analysis } };
}