Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/services/mfa/token_service.rb

@@ -0,0 +1,28 @@
+class Mfa::TokenService < BaseTokenService
+  pattr_initialize [:user, :token]
+
+  MFA_TOKEN_EXPIRY = 5.minutes
+
+  def generate_token
+    @payload = build_payload
+    super
+  end
+
+  def verify_token
+    decoded = decode_token
+    return nil if decoded.blank?
+
+    User.find(decoded[:user_id])
+  rescue ActiveRecord::RecordNotFound
+    nil
+  end
+
+  private
+
+  def build_payload
+    {
+      user_id: user.id,
+      exp: MFA_TOKEN_EXPIRY.from_now.to_i
+    }
+  end
+end