Add events for TemperatureProtection and PressureProtection (#25165)

Content.Server/Atmos/Components/TemperatureProtectionComponent.cs

@@ -1,11 +1,20 @@
-namespace Content.Server.Atmos.Components;
+using Content.Server.Temperature.Systems;
+
+namespace Content.Server.Atmos.Components;
 
 [RegisterComponent]
+[Access(typeof(TemperatureSystem))]
 public sealed partial class TemperatureProtectionComponent : Component
 {
     /// <summary>
     ///     How much to multiply temperature deltas by.
     /// </summary>
-    [DataField("coefficient")]
+    [DataField]
     public float Coefficient = 1.0f;
 }
+
+/// <summary>
+/// Event raised on an entity with <see cref="TemperatureProtectionComponent"/> to determine the actual value of the coefficient.
+/// </summary>
+[ByRefEvent]
+public record struct GetTemperatureProtectionEvent(float Coefficient);