A new layer is consolidating in the agent stack, and it has a name now: pre-action authorization. The idea is clean. Before an agent executes a tool call, a deterministic policy engine intercepts it, checks it against declarative rules, and signs an audit record.
Source: [Dev.to](https://dev.to/mspro3210/every-agent-passport-layer-is-grading-its-own-exam-20do)