feat: add audit trail for sign_in and sign_out (#7158)

* feat: add audit_trail for sign_in event

* chore: ignore unrelated User model columns for auditing

* chore: fix prepend call for webhook/automation rule

* chore: add spec for sign_in event

* chore: refactor sign_in auditlog method to enterprise namespace

* feat: add sign_out audit trail

* feat: review comments

enterprise/app/controllers/enterprise/devise_overrides/sessions_controller.rb

@@ -0,0 +1,25 @@
+module Enterprise::DeviseOverrides::SessionsController
+  def render_create_success
+    create_audit_event('sign_in')
+    super
+  end
+
+  def destroy
+    create_audit_event('sign_out')
+    super
+  end
+
+  def create_audit_event(action)
+    return unless @resource
+
+    associated_type = 'Account'
+    @resource.accounts.each do |account|
+      @resource.audits.create(
+        action: action,
+        user_id: @resource.id,
+        associated_id: account.id,
+        associated_type: associated_type
+      )
+    end
+  end
+end