TaskStatus::Transition model

db/migrate/20260425112121_create_task_status_transitions.rb

@@ -0,0 +1,10 @@
+class CreateTaskStatusTransitions < ActiveRecord::Migration[8.1]
+  def change
+    create_table :task_status_transitions do |t|
+      t.belongs_to :from, null: false, foreign_key: { to_table: :task_statuses }
+      t.belongs_to :to, null: false, foreign_key: { to_table: :task_statuses }
+
+      t.timestamps
+    end
+  end
+end