Scenario-defined metrics beyond the universal set.
Months of food reserve at current consumption.
Infrastructure modules / building units.
Life support headroom (max sustainable population).
Aggregate morale, 0..1.
Alive headcount.
Generated power capacity, kW.
Sealed habitable volume, m³ — Mars/Lunar/space-specific, optional in others.
Science / research output index.
Daily water budget, liters.
Universal settlement metrics shared by every scenario. Fields below the
populationandmoralecore are common but optional — a non-Mars scenario might not havepressurizedVolumeM3for example, and is free to set its own values via the index signature.Scenario-specific metrics (e.g., a submarine's hullPressureBars or a corporation's quarterlyRevenue) live alongside via
[key: string]: number.