Lookup (`conreg_lookup`)

What it adds

Area	Details
Route	`conreg_member_lookup` (`members/lookup/{eid}`)
Form	`Drupal\conreg_lookup\Form\LookupMemberForm`
Permission	`lookup members`
Dynamic menu	`LookupMenuDeriver`

Lookup uses custom SQL over conreg_members with AJAX updates. It does not add entity- or Views-based lookup layers.