A lot :)

app/helpers/application_helper.rb

@@ -4,4 +4,16 @@ module ApplicationHelper
   include Pagy::Frontend
 
   delegate :filter_params, to: :controller
+
+  def multilang_form_field(form, attribute, as: :text_field)
+    col_width = as == :rich_text_area ? 12 : 12 / I18n.available_locales.count
+    tag.div(class: "row") do
+      fields = I18n.available_locales.map { _1.to_s.split("-").first }.map do |lang|
+        tag.div(class: "col-lg-#{col_width}") do
+          form.send(as, "#{attribute}_#{lang}")
+        end
+      end
+      safe_join(fields)
+    end
+  end
 end

app/helpers/checklist_entries_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module ChecklistEntriesHelper
 end

app/helpers/checklists_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module ChecklistsHelper
 end

app/helpers/checks_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module ChecksHelper
 end

app/helpers/elements_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module ElementsHelper
 end

app/helpers/link_categories_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module LinkCategoriesHelper
 end

app/helpers/links_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module LinksHelper
 end

app/helpers/pdf_helper.rb

@@ -1,17 +1,19 @@
+# frozen_string_literal: true
+
 module PdfHelper
   def prepare_rich_text(rich_text)
     return rich_text
 
-    { del: 'strikethrough' }.each do |tag, replacement|
+    { del: "strikethrough" }.each do |tag, replacement|
       rich_text = rich_text.to_s.gsub("<#{tag}", "<#{replacement}")
       rich_text = rich_text.to_s.gsub("</#{tag}>", "</#{replacement}>")
     end
 
     %w[div p del blockquote pre code].each do |tag|
-      rich_text = rich_text.to_s.gsub(%r{<#{tag}.*?>|</#{tag}>}, '')
+      rich_text = rich_text.to_s.gsub(%r{<#{tag}.*?>|</#{tag}>}, "")
     end
-    rich_text.gsub!(/<h1.*?>/, '')
-    rich_text.gsub!(%r{</h1>}, '<br><br>')
+    rich_text.gsub!(/<h1.*?>/, "")
+    rich_text.gsub!(%r{</h1>}, "<br><br>")
     rich_text
   end
 end

app/helpers/reports_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module ReportsHelper
 end

app/helpers/success_criteria_helper.rb

@@ -1,13 +1,15 @@
+# frozen_string_literal: true
+
 module SuccessCriteriaHelper
   def success_criterion_result_icon_classes(sc)
     if sc.passed?
-      'bi bi-check text-success'
+      "bi bi-check text-success"
     elsif sc.failed?
-      'bi bi-exclamation-lg text-danger'
+      "bi bi-exclamation-lg text-danger"
     elsif sc.not_applicable?
-      'bi bi-dash text-muted'
+      "bi bi-dash text-muted"
     else
-      'bi bi-question text-warning'
+      "bi bi-question text-warning"
     end
   end
 
@@ -16,13 +18,13 @@ module SuccessCriteriaHelper
              if edit_mode
                success_criterion
              else
-               [:edit,
-                success_criterion]
+               [ :edit,
+                success_criterion ]
              end
-           else
+    else
              success_criterion.element
-           end
-    link_to tag.i(class: 'bi bi-pencil'),
+    end
+    link_to tag.i(class: "bi bi-pencil"),
             path,
             class: "btn btn-#{edit_mode ? 'link text-warning' : 'link text-secondary'}"
   end