A lot :)

app/controllers/success_criteria_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SuccessCriteriaController < ApplicationController
   before_action :set_success_criterion, only: %i[show edit update destroy]
 
@@ -7,8 +9,7 @@ class SuccessCriteriaController < ApplicationController
   end
 
   # GET /success_criteria/1
-  def show
-  end
+  def show; end
 
   # GET /success_criteria/new
   def new
@@ -16,15 +17,14 @@ class SuccessCriteriaController < ApplicationController
   end
 
   # GET /success_criteria/1/edit
-  def edit
-  end
+  def edit; end
 
   # POST /success_criteria
   def create
     @success_criterion = SuccessCriterion.new(success_criterion_params)
 
     if @success_criterion.save
-      redirect_to @success_criterion, notice: 'Erfolgskriterium was successfully created.'
+      redirect_to @success_criterion, notice: "Erfolgskriterium was successfully created."
     else
       render :new, status: :unprocessable_entity
     end
@@ -33,7 +33,7 @@ class SuccessCriteriaController < ApplicationController
   # PATCH/PUT /success_criteria/1
   def update
     if @success_criterion.update(success_criterion_params)
-      redirect_to @success_criterion, notice: 'Erfolgskriterium was successfully updated.', status: :see_other
+      redirect_to @success_criterion, notice: "Erfolgskriterium was successfully updated.", status: :see_other
     else
       render :edit, status: :unprocessable_entity
     end
@@ -44,7 +44,7 @@ class SuccessCriteriaController < ApplicationController
     @success_criterion.destroy!
     respond_to do |format|
       format.html do
-        redirect_to success_criteria_url, notice: 'Erfolgskriterium was successfully destroyed.', status: :see_other
+        redirect_to success_criteria_url, notice: "Erfolgskriterium was successfully destroyed.", status: :see_other
       end
       format.turbo_stream
     end