4a992646

By: Michael Lynch <git@mtlynch.io>

Extract token entry creation into login_token.Generator

Move login token creation logic out of magiclogin.NewSender into a
login_token.Generator type, removing the NowFunc parameter and
LoginTokenExpiry constant from the magiclogin package.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
configuredevShellbackendbackend-devcheck-bashcheck-frontendcheck-go-formattingcheck-go-test-packagescheck-trailing-newlinecheck-trailing-whitespacediagramdocker-imagee2e-testsgo-testsimport-from-tinybeanslint-sqllittle-momentslittle-moments-devx86_64-linux