Fictional shop. Illustrative numbers.

A busy shop.
A longer wait.

The shop is busier than ever. Repairs are taking longer, customers keep calling for updates, and the team feels stretched. The owner hired another mechanic—but the queue is still growing. What would you look at first?

The owner, mechanics, service desk, customers and parts supplier all see part of the situation. The shop sells bikes as well as repairing them. Commuters, leisure riders and delivery riders may feel the same delay differently.

What would you look at first?

Start here · Stocks & FlowsWork coming in and repairs finishedMake the queue visible.Room outlineHow the queue changed over timeSeparate a pattern from a bad Friday.Room outlineCalls and interruptionsAsk whether one problem feeds another.Room outlineParts and repair delaysLook at when changes can take effect.Room outlineWhat people were promisedAsk whose idea of good service counts.Includes Perspectives and Boundaries.

Connected questions · seven room outlines

Other parts of the same shop

These are previews of future rooms, not completed lessons. The first four lenses will eventually include small simulators.

Room outline · Behavior Over Time

Is it a bad Friday—or a pattern?

Bad Fridays and a seemingly endless queue.

Compare time windows and distinguish events from patterns.

Auxiliary example: Civic service response times. Full lesson and source review are still to come.

Room outline · Feedback

Do update calls make more update calls?

Status calls might interrupt work and prompt more calls.

Trace a proposed loop and inspect evidence for every link.

Auxiliary example: Software incidents. Full lesson and source review are still to come.

Room outline · Delays

When should the change start helping?

Hiring, training and parts procurement take time.

Set an evaluation window before changing policy again.

Auxiliary example: Website changes. Full lesson and source review are still to come.

Room outline · Perspectives

What does good service mean here?

Commuters, mechanics and the owner may define service differently.

Compare goals and purposeful activities.

Auxiliary example: AI adoption. Full lesson and source review are still to come.

Room outline · Boundaries

Where did the waiting go?

Appointment limits can move waiting outside the shop.

Follow who carries the cost.

Auxiliary example: Supplier inventory. Full lesson and source review are still to come.

Room outline · Emergence

How did every job become urgent?

Informal rush-job rules may repeatedly sideline other work.

Change a local rule and observe the aggregate pattern.

Auxiliary example: Meeting norms. Full lesson and source review are still to come.

Room outline · Leverage

What might change the pattern?

More staff, fewer repeat calls, different promises or different incentives.

State what must hold for each intervention to work.

Auxiliary example: Customer support load. Full lesson and source review are still to come.

A busy shop.A longer wait.