924fe3b9

By: Michael Lynch <git@mtlynch.io>

Update email-auth design doc for changes merged from master

- Replace mediaDir string with media MediaSource in Server struct
- Update middleware chain diagram to reflect subrouter-based route
  grouping introduced in #111

Co-Authored-By: Claude Sonnet 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