docs/stats-and-power-cut.md Cut 6, purely additive per its own map: the enum member, the
resolver's generation-cache and the bus's PowerSupply write already existed (Cuts 2/3/5)
as an identity everywhere. This lands the two things Cut 6 actually adds.
The curve: EquippedItem.PowerSupplyFactor now returns pow(PowerSupply, exponent) instead
of the Cut-3 identity stub, so a stat that declares a PowerSupply term degrades as this
tick's grant falls and reads unchanged at full supply (pow(1, n) == 1 regardless of n).
PowerBus.AllocateTiers now invalidates StatSource.PowerSupply once per draw per tick -- the
missing half of the wiring named in the cut map -- so the resolver actually recomputes when
the grant moves, using the same per-source generation scheme Heat/Durability already use
(unconditional, at most once per tick, never touching a stat that did not declare the
source).
The request-independence rule: a stat that decides a power request may not depend on power
supply, directly or through a modifier chain. Direct dependency is checked statically
(StatValidation.ValidateNoPowerSupplyOnRequest, ItemData.cs) against a fixed registry of
(BehaviorData type, field) pairs -- the one PerformanceStat each IPowerConsumer's own
PowerRequest evaluates as its request, a compile-time fact rather than something authored
per instance -- and runs at catalog load (AetheriaStores.Open), at Upsert, and again at
equip (EquippedItem's constructor) as defense against the two named bypasses that write a
catalog document without going through Upsert. The modifier-chain half is dynamic
(StatModifier.ValidateNoPowerSupplyChain): a modifier's own magnitude stat is walked
through the same magnitude->target edges ValidateNoCycle already builds for the self-cycle
check, and refused at Initialize (equip time) if it is power-tainted and targets a known
request stat, naming both items.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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