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Output and exit codes: Two shapes, one decision

Human-readable text by default; --json for a versioned envelope.

Última actualización 2026-10-21

Human-readable text by default; --json for a versioned envelope. Both are rendered from one already-decided outcome, so they can never describe different things.

The same scan as readable text and as a versioned JSON envelope.

{
  "schema": 2,
  "command": "list coverage",
  "ok": true,
  "data": { },
  "errors": []
}

Field
`schema`	Envelope version. Currently `2`. Bumped for any breaking change
`command`	The verb, as it names itself — `"list coverage"`
`ok`	Whether the command succeeded. Mirrors exit `0`, not "did anything happen"
`data`	The verb's own payload, or `null` on a refusal
`errors[]`	`{ code, name, path }`

errors[].code is an operation error-code name. Branch on the code. Never parse the prose — the prose is rendered per face and is not a contract; the code is.

{
  "schema": 2,
  "command": "list coverage",
  "ok": false,
  "data": null,
  "errors": [ { "code": "DistributionListNotFound", "name": "All Prod", "path": null } ]
}