The total duration the timer was set for, in seconds.
Whole seconds elapsed since the timer was set (clamped to [0, DurationSeconds]).
Whether the timer has reached or passed its duration.
Whole seconds remaining (clamped to [0, DurationSeconds]); 0 once the timer has expired.
A snapshot of the timer the agent set (via the
SetTimertool), reported in the perception feed so the agent can pace the meeting ("two minutes left on this agenda item").