Some UX improvements

app/models/check.rb

@@ -1,5 +1,5 @@
 class Check < ApplicationRecord
   enum :level, %i[A AA AAA]
-  validates :position, :name, :success_criterion, :level, presence: true
-  validates :position, numericality: { less_than: 200 }
+
+  has_rich_text :success_criterion_html
 end

app/models/checklist.rb

@@ -2,5 +2,7 @@ class Checklist < ApplicationRecord
   has_many :checklist_entries, -> { order(position: :asc) }, dependent: :destroy, inverse_of: :checklist
   has_many :checks, through: :checklist_entries
 
-  accepts_nested_attributes_for :checklist_entries
+  has_rich_text :description_html
+
+  accepts_nested_attributes_for :checklist_entries, reject_if: :all_blank, allow_destroy: true
 end

app/models/element.rb

@@ -1,6 +1,8 @@
 class Element < ApplicationRecord
   attr_accessor :checklist_id
 
+  has_rich_text :description_html
+
   belongs_to :report
   has_many :success_criteria, dependent: :destroy
 end

app/models/report.rb

@@ -1,3 +1,5 @@
 class Report < ApplicationRecord
   has_many :elements, dependent: :destroy
+
+  has_rich_text :comment_html
 end

app/models/success_criterion.rb

@@ -1,4 +1,8 @@
 class SuccessCriterion < ApplicationRecord
   enum :result, %i[passed failed not_applicable]
+
+  has_rich_text :comment_html
+  has_rich_text :description_html
+
   belongs_to :element
 end