Render weekly highlights considering periods of inactivity

script/migrations/backfill_weekly_highlights.rb

@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+
+require_relative "../config/environment"
+
+WEEKS_TO_BACKFILL = 20
+
+ApplicationRecord.with_each_tenant do |tenant|
+  WEEKS_TO_BACKFILL.times do |index|
+    User.find_each do |user|
+      user.generate_weekly_highlights(Time.current - index.weeks)
+    end
+  end
+end