user_profiles table missing - cannot add user as a result

[rikrose]

Commit e130e77 has:

docs/ai/plans/user-profile-edit-on-user-page-plan.md - line 17 references existing 'user_profiles' table. This was allegedly created in commit a2c59e5, which has a src/migrations/018_user_profiles.sql. Unfortunately, my fresh instlal does not have this. As a result, user creation (and other activities) fail, becuase the underlying table is not present. this affects mostly the code in packages/core/src/routes/admin-users.ts#L975