Glossary
Risk tier
A rating from R0 (read-only) to R4 (irreversible or financial) that sets the default approval gate for an Action.
Every One3 Action declares a risk tier:
| Tier | Meaning | Default gate |
|---|---|---|
| R0 | Read-only | Permission check only |
| R1 | Reversible internal change | Allowed; reversal available |
| R2 | Reversible, visible to others | Allowed with notification |
| R3 | External or customer-facing | Approval unless autonomy has been earned |
| R4 | Irreversible, financial or legal | Always human approval plus a second factor |
Risk tier combines with the reversibility class to set the approval default, and with the autonomy level to decide whether an agent can act alone. R4 Actions — payments, deletions, contract signing, payroll — always need a human, whatever the agent's autonomy.
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