TEST TASKS
A service that fails until you fix it.
Eight local replicas. Each one is a file, a red test, an API, and a preview of the same process. Not an employer repository and not a score.
- 01 Read the failureThe test names the bug. The starter still boots.
- 02 Edit the serviceOne file. The rest of the stack stays put.
- 03 RunGreen tests. The preview is that process.
3 seats
Controlled asset registry
A local registry with roles, a pause, and tests. Synthetic assets only.
Fix the pause in the service
Open replica7 seats
Event indexer with reconciliation
Ingest events, retry safely, drop duplicates, and reconcile against a second source.
Drop the duplicate, net 45
Open replica9 seats
State-machine simulator
A small state machine with an honest path and one adversarial case.
Make the fork observable
Open replica9 seats
Security review of a local demo
Review a local demo, write the threat model, and document one mitigation.
Map each finding to its control
Open replica3 seats
Policy-controlled wallet
A simulated wallet with an approval limit and a person who can stop a payment.
Enforce the limit and the stopper
Open replica3 seats
Supplier settlement simulator
A mock payment with a timeout, a retry, and a reconciliation line.
One key, one debit
Open replica3 seats
Pilot brief
A short brief: user, asset, dependency, and what the pilot does not prove.
Fill the pilot until it validates
Open replica1 seats
Integration example
Document one working integration with a runnable example and a printed failure.
Print the timeout, credit once
Open replica