Shortcut to grab the default entropy configuration

app/controllers/accounts/entropy_configurations_controller.rb

@@ -1,6 +1,6 @@
 class Accounts::EntropyConfigurationsController < ApplicationController
   def update
-    Account.sole.default_entropy_configuration.update!(entropy_configuration_params)
+    Entropy::Configuration.default.update!(entropy_configuration_params)
 
     redirect_to account_settings_path, notice: "Account updated"
   end

app/models/card/entropy.rb

@@ -8,7 +8,7 @@ module Card::Entropy
     scope :entropic_by, ->(period_name) do
       left_outer_joins(collection: :entropy_configuration)
         .where("last_active_at <= DATETIME('now', '-' || COALESCE(entropy_configurations.#{period_name}, (?)) || ' seconds')",
-        Entropy::Configuration.where(id: Account.sole.default_entropy_configuration).select(period_name).limit(1))
+        Entropy::Configuration.where(id: Entropy::Configuration.default).select(period_name).limit(1))
     end
 
     scope :stagnated, -> { doing.entropic_by(:auto_reconsider_period) }

app/models/collection/entropy.rb

@@ -6,7 +6,7 @@ module Collection::Entropy
   end
 
   def entropy_configuration
-    super || Account.sole.default_entropy_configuration
+    super || Entropy::Configuration.default
   end
 
   def auto_close_period=(new_value)

app/models/entropy/configuration.rb

@@ -1,3 +1,9 @@
 class Entropy::Configuration < ApplicationRecord
   belongs_to :container, polymorphic: true
+
+  class << self
+    def default
+      Account.sole.default_entropy_configuration
+    end
+  end
 end