Add experimental machine learning

app/components/machine_learning/comments_summary_component.rb

@@ -0,0 +1,17 @@
+class MachineLearning::CommentsSummaryComponent < ApplicationComponent
+  attr_reader :commentable
+
+  def initialize(commentable)
+    @commentable = commentable
+  end
+
+  def render?
+    MachineLearning.enabled? && Setting["machine_learning.comments_summary"].present? && body.present?
+  end
+
+  private
+
+    def body
+      commentable.summary_comment&.body
+    end
+end