One trigger. Five systems. No humans involved.

A webhook from an external system (a form, payment processor, or help desk) hits the Worker endpoint. The Worker validates the payload, enriches it against D1 records, then fans out downstream actions as parallel jobs on Cloudflare Queues. Each job dispatches independently: CRM record update, transactional email via Resend, team notification via Slack webhook, and dashboard metric refresh. Durable Objects track workflow state and ensure idempotency. Duplicate triggers are deduplicated; failed steps retry with exponential backoff. The entire pipeline completes in under 2 seconds with zero human intervention.

3 pre-built workflows (New Lead, Customer Payment, Support Ticket). Select one, hit Run, and watch each node light up in sequence. Nodes 3 and 4 fire simultaneously inside a parallel group to show forked execution. Per-node timestamps and output panels appear on completion. Run all 3 to see cumulative stats.