add instructeur feedback on accuse de lecture agreement

app/models/dossier.rb

@@ -1184,6 +1184,10 @@ class Dossier < ApplicationRecord
     procedure.accuse_lecture? && termine? && accuse_lecture_agreement_at.blank?
   end
 
+  def termine_and_accuse_lecture?
+    procedure.accuse_lecture? && termine?
+  end
+
   private
 
   def champs_by_public_id

app/views/shared/dossiers/_demande.html.haml

@@ -5,6 +5,15 @@
 .fr-container.counter-start-header-section.dossier-show{ class: class_names("dossier-show-instructeur" => profile =="instructeur") }
   .fr-grid-row.fr-grid-row--center
     .fr-col-12.fr-col-xl-8
+      - if profile == 'instructeur' && dossier.termine_and_accuse_lecture?
+        = render Dsfr::CalloutComponent.new(title: nil) do |c|
+          - c.with_html_body do
+            = t('views.shared.dossiers.demande.accuse_lecture')
+            - if dossier.accuse_lecture_agreement_at.present?
+              = t('views.shared.dossiers.demande.accuse_lecture_with_agreement', agreement: l(dossier.accuse_lecture_agreement_at, format: :long))
+            - else
+              = t('views.shared.dossiers.demande.accuse_lecture_without_agreement')
+
       %h2.fr-h6.fr-background-alt--grey.fr-mb-0
         .flex-grow.fr-py-3v.fr-px-2w= t('views.shared.dossiers.demande.en_construction')