Restructure omni services and add Chatwoot research snapshot

research/chatwoot/lib/exception_list.rb

@@ -0,0 +1,19 @@
+require 'net/imap'
+
+module ExceptionList
+  REST_CLIENT_EXCEPTIONS = [RestClient::NotFound, RestClient::GatewayTimeout, RestClient::BadRequest,
+                            RestClient::MethodNotAllowed, RestClient::Forbidden, RestClient::InternalServerError,
+                            RestClient::Exceptions::OpenTimeout, RestClient::Exceptions::ReadTimeout,
+                            RestClient::TemporaryRedirect, RestClient::SSLCertificateNotVerified, RestClient::PaymentRequired,
+                            RestClient::BadGateway, RestClient::Unauthorized, RestClient::PayloadTooLarge,
+                            RestClient::MovedPermanently, RestClient::ServiceUnavailable, Errno::ECONNREFUSED, SocketError].freeze
+  SMTP_EXCEPTIONS = [
+    Net::SMTPSyntaxError
+  ].freeze
+
+  IMAP_EXCEPTIONS = [
+    Errno::ECONNREFUSED, Net::OpenTimeout,
+    Errno::ECONNRESET, Errno::ENETUNREACH, Net::IMAP::ByeResponseError,
+    SocketError
+  ].freeze
+end