- Fix broken rename migration array (sed had corrupted from values to _sv)
- Add languages table with status lifecycle and trilingual titles
- Add user_names table with unique lowercase index
- Add users_public table linking to user_names and languages (native/target)
- Wire all three new routes under /api/languages, /api/user-names, /api/users-public
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
