Mega Antag Refactor (#25786)

* Mega Antag Refactor

* last minute delta save

* more workshopping

* more shit

* ok tested this for once

* okkkkk sure

* generic delays for starting rules

* well darn

* nukies partially

* ouagh

* ballin' faded and smonkin wed

* obliterated the diff

* Spread my arms and soak up congratulations

* I've got plenty of love, but nothing to show for it

* but there’s too much sunlight
Shining on my laptop monitor, so I
Can’t see anything with any amount of clarity

* ok this junk

* OOK!

* fubar

* most of sloth's review

* oh boy

* eek

* hell yea!

* ASDFJASDJFvsakcvjkzjnhhhyh

Content.Server/GameTicking/Components/DelayedStartRuleComponent.cs

@@ -0,0 +1,16 @@
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Server.GameTicking.Components;
+
+/// <summary>
+/// Generic component used to track a gamerule that's start has been delayed.
+/// </summary>
+[RegisterComponent, AutoGenerateComponentPause]
+public sealed partial class DelayedStartRuleComponent : Component
+{
+    /// <summary>
+    /// The time at which the rule will start properly.
+    /// </summary>
+    [DataField(customTypeSerializer: typeof(TimeOffsetSerializer)), AutoPausedField]
+    public TimeSpan RuleStartTime;
+}