It opens on the **30-second check**: five tap questions that map onto the person reading and return one of three states (Steady, Bending, Snapping) with a share card and one thing to try. A second mode, **Will we clash?**, runs two people through two taps each on one phone. "Go deeper" opens the full lab: Person (collapse and suffering, with check-ins tracked over time), Two people (conflict), Group (group collapse), Beliefs (stress tests and resilience) and a Key of every symbol and equation.