The turn's mode: off (the config, AGENTOS_LEARNING_OFF=1 or a suspension of the turn's scope) stops the reads
of learned state and the five self-modification tools; frozen (the config, AGENTOS_LEARNING_FREEZE=1 or a
run-time freeze) stops every new self-change.
<u> of user:<u> for the turn's learner; the session's form when it has none.
<u>::<personaId>, or <s>::<personaId>.
The namespace the session's form uses: a reader writes the turn's own thread ids with taggedScopeId(id, namespace).
The scope ids a turn files and reads its own memory under, and the turn's mode.