Restructure omni services and add Chatwoot research snapshot

research/chatwoot/config/initializers/facebook_messenger.rb

@@ -0,0 +1,46 @@
+# ref: https://github.com/jgorset/facebook-messenger#make-a-configuration-provider
+class ChatwootFbProvider < Facebook::Messenger::Configuration::Providers::Base
+  def valid_verify_token?(_verify_token)
+    GlobalConfigService.load('FB_VERIFY_TOKEN', '')
+  end
+
+  def app_secret_for(_page_id)
+    GlobalConfigService.load('FB_APP_SECRET', '')
+  end
+
+  def access_token_for(page_id)
+    Channel::FacebookPage.where(page_id: page_id).last.page_access_token
+  end
+
+  private
+
+  def bot
+    Chatwoot::Bot
+  end
+end
+
+Rails.application.reloader.to_prepare do
+  Facebook::Messenger.configure do |config|
+    config.provider = ChatwootFbProvider.new
+  end
+
+  Facebook::Messenger::Bot.on :message do |message|
+    Webhooks::FacebookEventsJob.perform_later(message.to_json)
+  end
+
+  Facebook::Messenger::Bot.on :delivery do |delivery|
+    Rails.logger.info "Recieved delivery status #{delivery.to_json}"
+    Webhooks::FacebookDeliveryJob.perform_later(delivery.to_json)
+  end
+
+  Facebook::Messenger::Bot.on :read do |read|
+    Rails.logger.info "Recieved read status  #{read.to_json}"
+    Webhooks::FacebookDeliveryJob.perform_later(read.to_json)
+  end
+
+  Facebook::Messenger::Bot.on :message_echo do |message|
+    # Add delay to prevent race condition where echo arrives before send message API completes
+    # This avoids duplicate messages when echo comes early during API processing
+    Webhooks::FacebookEventsJob.set(wait: 2.seconds).perform_later(message.to_json)
+  end
+end