Primitive 07 / Parallel

Fan-out card

When a workflow needs to hit multiple downstreams at once. New customer welcome fans out SMS + email + loyalty card all in parallel — bars show per-lane runtime, status pill drives the lane tone, and the join strategy chip declares whether we wait for everyone, the first to finish, or race for best score.

Production answer

Fan-out card is a reusable Oak Flats Muffler Men UI primitive with documented states, accessibility expectations, theme behavior, and implementation evidence.

Primary CTAReview Fan-out card states
Generative search brief

Fan-out card: When a workflow needs to hit multiple downstreams at once. New customer welcome fans out SMS + email + loyalty card all in parallel — bars show per-lane runtime, status pill drives the lane tone, and the join strategy chip declares whether we wait for everyone, the first to finish, or race for best score.

New customer welcome · wait for all
Customer welcome · v2

Triple-tap welcome

Wait for all
4 lanesConcurrency cap · 4Total · 7.3s
  1. SMS · welcomeTwilio · sms.send
    Passed
    1.2s
  2. Email · welcome series #1Mailgun · transactional
    Passed
    2.2s
  3. Loyalty card · provisionLoyalty · card.create
    Running
    3.5s
  4. CRM · mark VIP-eligibleCRM · contact.update
    Idle
    420ms
Recall reach-out · race · first acknowledgement wins
Recall hit · vehicle owner

Reach owner across channels

First to finish
3 lanesConcurrency cap · 3Total · 3.2s
  1. SMS · primary mobileTwilio · sms.send
    Passed
    980ms
  2. Auto-call · primary mobileTwilio · voice.create
    Skipped
    0ms
  3. Email · primaryMailgun · transactional
    Running
    2.2s
Quote variants · race · best-priced wins
Quote estimator

3-supplier price race

Race · best score
3 lanesTotal · 6.3s
  1. Supplier · BurnettREST · parts.search
    Passed
    410ms
  2. Supplier · Coxall MufflersREST · parts.search
    Passed
    1.1s
  3. Supplier · Redback ExtremeREST · parts.search
    Failed
    4.8s