feat(invitations): add cleanup job for expired logs

- Add CleanupExpiredInvitationLogsJob for 180-day retention
- Add rake task invitation_logs:cleanup
- Add job specs

Co-Authored-By: opencode <noreply@opencode.ai>

Author: mroderick

app/jobs/cleanup_expired_invitation_logs_job.rb

@@ -0,0 +1,7 @@
+class CleanupExpiredInvitationLogsJob < ApplicationJob
+  queue_as :default
+
+  def perform
+    InvitationLog.where('expires_at < ?', Time.current).destroy_all
+  end
+end

lib/tasks/invitation_logs.rake

@@ -0,0 +1,6 @@
+namespace :invitation_logs do
+  desc 'Clean up expired invitation logs'
+  task cleanup: :environment do
+    CleanupExpiredInvitationLogsJob.perform_now
+  end
+end

rebase.sh

@@ -0,0 +1,24 @@
+require 'rails_helper'
+
+RSpec.describe CleanupExpiredInvitationLogsJob do
+  describe '#perform' do
+    it 'destroys invitation logs that have expired' do
+      expired_log = Fabricate(:invitation_log, expires_at: 1.day.ago)
+      valid_log = Fabricate(:invitation_log, expires_at: 1.day.from_now)
+
+      described_class.new.perform
+
+      expect(InvitationLog.exists?(expired_log.id)).to be false
+      expect(InvitationLog.exists?(valid_log.id)).to be true
+    end
+
+    it 'destroys associated entries via dependent: :destroy' do
+      log = Fabricate(:invitation_log, expires_at: 1.day.ago)
+      entry = Fabricate(:invitation_log_entry, invitation_log: log)
+
+      described_class.new.perform
+
+      expect(InvitationLogEntry.exists?(entry.id)).to be false
+    end
+  end
+end