Optional 60-minute application session. Bring the specified artifacts and work with a peer or coach. Do not treat a prepared plan as an authorized live test.

Bring: resolved sources, W5 and three W6 options. Agenda: 10 review changed premises; 15 test principles with counterexamples; 20 walk standard and exception paths; 10 examine W7 tradeoffs; 5 select the next uncertainty. Ask: “Which feature follows from which premise?” “Are these different mechanisms or different labels?” Output: a traceable option set and comparison. Between sessions: draft a W8 experiment with the relevant owner.