add screen reader mode

app/controllers/submit_form_metadata_controller.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+class SubmitFormMetadataController < ApplicationController
+  skip_before_action :authenticate_user!
+  skip_authorization_check
+
+  def index
+    submitter = Submitter.find_by!(slug: params[:submit_form_slug])
+
+    return head :not_found if submitter.declined_at? ||
+                              submitter.completed_at? ||
+                              submitter.submission.archived_at? ||
+                              submitter.submission.expired? ||
+                              submitter.submission.template&.archived_at? ||
+                              submitter.account.archived_at? ||
+                              !Submitters::AuthorizedForForm.call(submitter, current_user, request)
+
+    submission = submitter.submission
+    values = submission.submitters.reduce({}) { |acc, sub| acc.merge(sub.values) }
+    schema = Submissions.filtered_conditions_schema(submission, values:, include_submitter_uuid: submitter.uuid)
+
+    documents = schema.filter_map do |item|
+      submission.schema_documents.find { |a| a.uuid == item['attachment_uuid'] }
+    end
+
+    ActiveRecord::Associations::Preloader.new(records: documents, associations: %i[blob record]).call
+
+    text_runs = documents.to_h do |document|
+      [
+        document.uuid,
+        DocumentMetadatas.find_or_create_for_document(document, account_id: document.record.account_id).text_runs
+      ]
+    end
+
+    render json: { text_runs: }
+  end
+end