Random book story generator refactor (#28082)

* Randomized book overhaul

* Fix prototype names

* Improved setting paper content

* Praise Ratvar

Content.Server/Paper/PaperRandomStoryComponent.cs

@@ -1,14 +1,17 @@
+using Content.Shared.StoryGen;
+using Robust.Shared.Prototypes;
+
 namespace Content.Server.Paper;
 
 /// <summary>
-///    Adds randomly generated stories to Paper component
+///    Adds a randomly generated story to the content of a <see cref="PaperComponent"/>
 /// </summary>
 [RegisterComponent, Access(typeof(PaperRandomStorySystem))]
 public sealed partial class PaperRandomStoryComponent : Component
 {
+    /// <summary>
+    /// The <see cref="StoryTemplatePrototype"/> ID to use for story generation.
+    /// </summary>
     [DataField]
-    public List<string>? StorySegments;
-
-    [DataField]
-    public string StorySeparator = " ";
+    public ProtoId<StoryTemplatePrototype> Template;
 }