Operator: read only on library + child inputs.
Supervisor: read/write/create on library; full CRUD on inputs.
Manager: full CRUD on all three.
Pattern matches existing fp_proficiency rows (supervisor without
unlink on the parent, full CRUD on the children — operators can't
delete a library template that recipes might reference, but
supervisors can edit/add/remove input rows freely).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
6fbb6f918b
