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# Type Alias ChatCompanionSessionStatus

```typescript
ChatCompanionSessionStatus:
    | "idle"
    | "active"
    | "awaiting-permission"
    | "stalled"
    | "ended"
    | "error"
```

Host-reduced session lifecycle vocabulary — the same closed set the host writes into `agent.session` reflections (`AgentSessionStatus` in `@ispo/sdk`); the SDK should alias rather than fork it.