name: persona
kind: syntax
since: 0.1
stability: stable
Operator identity for an LLM-backed flow.
```axon
persona Name {
domain: ["ops", "telemetry"]
tone: precise
confidence_threshold: 0.85
}
```
A persona pins the prompt-engineering surface of a flow run: the
allowed knowledge domain, the tone preset, and the minimum
confidence the flow must clear before its output is accepted.
Personas are referenced by name from `run` statements via
`as PersonaName`.