Atmos scaling cvar changes (#22501)

Content.Server/Atmos/IGasReactionEffect.cs

@@ -6,6 +6,14 @@ namespace Content.Server.Atmos
     [ImplicitDataDefinitionForInheritors]
     public partial interface IGasReactionEffect
     {
-        ReactionResult React(GasMixture mixture, IGasMixtureHolder? holder, AtmosphereSystem atmosphereSystem);
+        /// <summary>
+        /// Process this reaction effect.
+        /// </summary>
+        /// <param name="mixture">The gas mixture to react</param>
+        /// <param name="holder">The container of this gas mixture</param>
+        /// <param name="atmosphereSystem">The atmosphere system</param>
+        /// <param name="heatScale">Scaling factor that should be applied to all heat input or outputs.</param>
+        ReactionResult React(GasMixture mixture, IGasMixtureHolder? holder, AtmosphereSystem atmosphereSystem,
+            float heatScale);
     }
 }