Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/models/concerns/llm_formattable.rb

@@ -0,0 +1,7 @@
+module LlmFormattable
+  extend ActiveSupport::Concern
+
+  def to_llm_text(config = {})
+    LlmFormatter::LlmTextFormatterService.new(self).format(config)
+  end
+end