*(wait: Bernd Worsch must select the model, fixed run count, spending ceiling and default-suite policy before any live-model experiment. No paid calls were made.)*
- ! A browser-engine driver, if it is warranted `19f8e687`
*(wait: Await the existing Playwright setup/licence decision and T01 prerequisite; T02 and T03 are now complete.)*
- ! Measure the cost of expressing a use case `62f08e27`
*(wait: Initial timer excluded code composition; elapsed authoring cost cannot be reconstructed. Need a prospectively timed fresh implementation by an independent author using the specified contracts, not copying the fixtures.)*