Block safety report sign-off while linked actions or forum items remain open

Problem:

Safety reports can be signed off while linked findings/actions or forum follow-up threads are still open, due, or overdue. This weakens closure discipline and audit readiness.

Desired outcome:

Administrators can enforce that safety reports cannot be signed off until linked findings/actions and forum follow-ups are closed, with the option to apply this globally or per report type.

Proposed change:

Add admin settings — global (Setup → Safety Options) and per report type (Setup → Report Type Options) — that block sign-off when linked items are unresolved, with an inline panel showing the outstanding items and a link to close them.