curl --request GET \
  --url https://{host}/v1/projects/{projectId}/export/{exportId} \
  --header 'x-api-key: <api-key>'

{
  "success": true,
  "data": {
    "id": "exp_01JEXPORT123",
    "type": "export",
    "status": "completed",
    "phase": "packaging",
    "progressPercent": 100,
    "dependencyValidation": {
      "valid": true,
      "missing": [],
      "circular": []
    },
    "manifest": {
      "name": "customer-support",
      "version": "1.0.0",
      "entryAgent": "support-agent",
      "layers": [
        "core",
        "connections",
        "workflows"
      ],
      "requiredEnvVars": [
        "CRM_BASE_URL"
      ]
    },
    "lockfile": {
      "version": 2,
      "layers": {
        "core": "sha256:abc123...",
        "connections": "sha256:def456..."
      }
    },
    "downloadUrl": "https://api.example.com/v1/archives/exp_01JEXPORT123/download",
    "expiresAt": "2026-09-01T10:00:14Z",
    "warnings": [],
    "errors": [],
    "createdAt": "2026-09-01T09:00:00Z",
    "completedAt": "2026-09-01T09:00:14Z"
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "stage": "<string>",
    "layer": "core",
    "path": "<string>",
    "line": 2,
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "stage": "<string>",
    "layer": "core",
    "path": "<string>",
    "line": 2,
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "stage": "<string>",
    "layer": "core",
    "path": "<string>",
    "line": 2,
    "details": {}
  }
}