Getting rid of CSRF for now.

.env.rb

@@ -0,0 +1,3 @@
+
+ENV["APP_SESSION_SECRET"] ||= "x3UUSSxLjgP62TOxfIOdf7dhXnOdLiN2kE0K+nB7TA0LsRTpSxhf8Om9cRUYGYQxUMhzIBeZ3KtOLo3cXlSfdg=="
+# generated with: ruby -rsecurerandom -e 'puts SecureRandom.base64(64).inspect'

app.rb

@@ -10,11 +10,9 @@ require_relative 'models/assistant'
 # Listing large language models (aka "Assistants")
 class App < Roda
   plugin :render, escape: true
-  plugin :route_csrf
+  plugin :sessions, secret: ENV.delete('APP_SESSION_SECRET')
 
   route do |r|
-    check_csrf!
-
     r.root do
       @page_title = 'Assistants List'
       @subtitle = 'All Assistants in Database'

config.ru

@@ -1,3 +1,4 @@
-require "./app"
+require './.env' if File.exist?('.env.rb')
+require './app'
 
 run App.freeze.app

views/edit.erb

@@ -15,9 +15,6 @@
     <input type="hidden" name="_method" value="put">
   <% end %>
 
-  <!-- Add CSRF token tag -->
-  <%== csrf_tag('/assistants') %>
-  
   <div class="field">
     <label class="label">Name</label>
     <div class="control">