Sketch out business logic and basic tests

db/migrate/20250401194500_create_rules.rb

@@ -0,0 +1,30 @@
+class CreateRules < ActiveRecord::Migration[7.2]
+  def change
+    create_table :rules, id: :uuid do |t|
+      t.references :family, null: false, foreign_key: true, type: :uuid
+
+      t.string :resource_type, null: false
+      t.date :effective_date, null: false
+      t.boolean :active, null: false, default: true
+      t.timestamps
+    end
+
+    create_table :rule_conditions, id: :uuid do |t|
+      t.references :rule, foreign_key: true, type: :uuid
+      t.references :parent, foreign_key: { to_table: :rule_conditions }, type: :uuid
+
+      t.string :condition_type, null: false
+      t.string :operator, null: false
+      t.string :value
+      t.timestamps
+    end
+
+    create_table :rule_actions, id: :uuid do |t|
+      t.references :rule, null: false, foreign_key: true, type: :uuid
+
+      t.string :action_type, null: false
+      t.string :value, null: false
+      t.timestamps
+    end
+  end
+end