BioteCH4BioTwinSite twinBottleneckScenario labLogisticsModel explorerReconciliationWorkbook importGovernance

Governance & audit

Who may change what, which model versions are approved, and an append-only record of every change with its stated reason.

Your access

Sign in to see your role and the audit trail.

Permission matrix

Roles are stored separately from profiles and checked server-side by security-definer functions.

RoleCanCannot
ViewerRead the twin, scenarios and the audit trailChange any variable
OperatorLog downtime events and record actualsChange model variables or approve
Process analystBuild and run scenariosAmend the baseline model
EngineerAmend model variables and submit versionsApprove their own changes
Site managerApprove model versions and scenarios for the siteChange cluster-wide defaults
Model administratorEverything, including deletion and role assignmentBypass the audit trail
AuditorRead everything including the full audit trailChange anything

Model versions

Each version carries a change reason and an approval state. Only approved versions should inform an investment decision.

No model versions saved yet. The active model is the Yorkshire cluster template loaded from the source workbooks.

Audit trail

Append-only. Entries cannot be edited or deleted, by anyone, including administrators.

No audit entries yet.