Project creation/destruction admin table turbo streams

app/models/project.rb

@@ -4,7 +4,7 @@ class Project < ApplicationRecord
   enum :status, %w[preparing ready archived].index_by(&:itself), default: :preparing
 
   validates :name, :code, :status, presence: true
-  validates :code, exclusion: { in: %w[new] }, uniqueness: true, format: { with: /\A[a-z]{2,}\z/ }
+  validates :code, exclusion: { in: %w[new] }, uniqueness: true, format: { with: /\A[a-z][a-z0-9]{1,}\z/ }
 
   has_many :tasks, dependent: :restrict_with_exception
   has_many :task_statuses, dependent: :destroy
@@ -15,6 +15,7 @@ class Project < ApplicationRecord
 
   after_commit :schedule_post_init_job, on: :create
   after_destroy_commit :drop_tasks_number_sequence
+  after_destroy_commit :broadcast_the_destroy
 
   def to_param
     return unless id
@@ -42,4 +43,8 @@ class Project < ApplicationRecord
   def drop_tasks_number_sequence
     self.class.connection.execute "DROP SEQUENCE IF EXISTS #{tasks_number_sequence_name}"
   end
+
+  def broadcast_the_destroy
+    broadcast_remove_to Project, :admin_table
+  end
 end