Diff two versions

{  "files": [    {      "path": "string",      "status": "added",      "patch": "string",      "binary": true    }  ],  "frontmatterDelta": {    "scalars": [      {        "field": "name",        "changeKind": "added",        "old": "string",        "new": "string"      }    ],    "lists": [      {        "field": "allowed-tools",        "added": [          "string"        ],        "removed": [          "string"        ]      }    ],    "metadata": [      {        "key": "string",        "changeKind": "added",        "old": "string",        "new": "string"      }    ]  }}

{  "defined": true,  "code": "UNAUTHORIZED",  "status": 401,  "message": "Authentication required or credentials invalid.",  "data": null}

{  "defined": true,  "code": "NOT_FOUND",  "status": 404,  "message": "The requested resource does not exist.",  "data": {    "resource": "string"  }}

{  "defined": true,  "code": "VALIDATION",  "status": 422,  "message": "The input failed domain validation.",  "data": {    "issues": [      {        "path": "string",        "message": "string"      }    ]  }}

{  "defined": true,  "code": "RATE_LIMITED",  "status": 429,  "message": "Rate limit exceeded; retry later.",  "data": {    "retryAfterSeconds": -9007199254740991  }}