Sentry turrets - Part 4: The sentry turret and its primary systems (#35123)

* Initial commit

* Removed mention of StationAiTurretComponent (for now)

* Prep for moving out of draft

* Fixing merge conflict

* Re-added new net frequencies to AI turrets

* Removed turret control content

* Removed unintended change

* Final tweaks

* Fixed incorrect file name

* Improvement to fire mode handling

* Addressed review comments

* Updated how turret wire panel auto-closing is handled

* Ranged NPCs no longer waste shots on stunned targets

* Fixed bug in tracking broken state

* Addressed review comments

* Bug fix

* Removed unnecessary event call

Content.Server/Destructible/DestructibleComponent.cs

@@ -9,8 +9,17 @@ namespace Content.Server.Destructible
     [RegisterComponent]
     public sealed partial class DestructibleComponent : Component
     {
-        [DataField("thresholds")]
+        /// <summary>
+        /// A list of damage thresholds for the entity;
+        /// includes their triggers and resultant behaviors
+        /// </summary>
+        [DataField]
         public List<DamageThreshold> Thresholds = new();
 
+        /// <summary>
+        /// Specifies whether the entity has passed a damage threshold that causes it to break
+        /// </summary>
+        [DataField]
+        public bool IsBroken = false;
     }
 }