Are these official in-game roles?
No. They are planning responsibilities for a controlled session.
Enter your planning group size and get a practical split for coordination, testing, observation, and recovery. These are planning roles—not official in-game classes.
Planning input
This is a planning group size, not a claim about the game's server maximum. These are session responsibilities, not official classes.
No. They are planning responsibilities for a controlled session.
No. Twelve is only the upper limit of this small planning tool.
One person should keep the rollback or rejoin path ready instead of performing the test.
The single player combines coordination, one small test, observation, and recovery preparation.