Production operator CLI for Sylphx Platform. **All Management commands go through
`sylphx-sdk-management`** — no raw HTTP business logic in the CLI.
```bash
export SYLPHX_TOKEN=svc_...
export SYLPHX_API_URL=https://api.sylphx.com/v1 # optional
sylphx health
sylphx whoami --json
sylphx projects list
sylphx projects get prj_demo
```