add stable_id and stream

app/models/champ.rb

@@ -221,7 +221,7 @@ class Champ < ApplicationRecord
   end
 
   def clone(fork = false)
-    champ_attributes = [:parent_id, :private, :row_id, :type, :type_de_champ_id]
+    champ_attributes = [:parent_id, :private, :row_id, :type, :type_de_champ_id, :stable_id, :stream]
     value_attributes = fork || !private? ? [:value, :value_json, :data, :external_id] : []
     relationships = fork || !private? ? [:etablissement, :geo_areas] : []
 

app/models/type_de_champ.rb

@@ -250,7 +250,9 @@ class TypeDeChamp < ApplicationRecord
   def params_for_champ
     {
       private: private?,
-      type: "Champs::#{type_champ.classify}Champ"
+      type: "Champs::#{type_champ.classify}Champ",
+      stable_id:,
+      stream: 'main'
     }
   end
 

app/tasks/maintenance/fill_champs_stable_id_task.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module Maintenance
+  class FillChampsStableIdTask < MaintenanceTasks::Task
+    def collection
+      Champ.includes(:type_de_champ)
+    end
+
+    def process(champ)
+      champ.update_columns(stable_id: champ.stable_id, stream: 'main')
+    end
+  end
+end