Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/jobs/delete_object_job.rb

@@ -0,0 +1,43 @@
+class DeleteObjectJob < ApplicationJob
+  queue_as :low
+
+  BATCH_SIZE = 5_000
+
+  def perform(object, user = nil, ip = nil)
+    # Pre-purge heavy associations for large objects to avoid
+    # timeouts & race conditions due to destroy_async fan-out.
+    purge_heavy_associations(object)
+    object.destroy!
+    process_post_deletion_tasks(object, user, ip)
+  end
+
+  def process_post_deletion_tasks(object, user, ip); end
+
+  private
+
+  def heavy_associations
+    {
+      Account => %i[conversations contacts inboxes reporting_events],
+      Inbox => %i[conversations contact_inboxes reporting_events]
+    }.freeze
+  end
+
+  def purge_heavy_associations(object)
+    klass = heavy_associations.keys.find { |k| object.is_a?(k) }
+    return unless klass
+
+    heavy_associations[klass].each do |assoc|
+      next unless object.respond_to?(assoc)
+
+      batch_destroy(object.public_send(assoc))
+    end
+  end
+
+  def batch_destroy(relation)
+    relation.find_in_batches(batch_size: BATCH_SIZE) do |batch|
+      batch.each(&:destroy!)
+    end
+  end
+end
+
+DeleteObjectJob.prepend_mod_with('DeleteObjectJob')