更新 Credential

curl --request POST \
  --url 'https://dashscope.aliyuncs.com/api/v1/agentstudio/vaults/{vault_id}/credentials/{credential_id}' \
  --header 'Authorization: Bearer <YOUR_API_KEY>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "display_name": "生产环境 API 密钥",
  "auth": {
    "type": "environment_variable",
    "secret_name": "API_KEY",
    "secret_value": "sk-new-value",
    "networking": {
      "allowed_hosts": [
        "api.example.com"
      ]
    },
    "injection_location": {
      "header": true
    }
  }
}
'

{
  "id": "cred_xxx",
  "type": "credential",
  "vault_id": "vlt_xxx",
  "display_name": "生产环境 API 密钥",
  "auth": {
    "type": "environment_variable",
    "secret_name": "API_KEY",
    "networking": {
      "allowed_hosts": [
        "api.example.com"
      ]
    },
    "injection_location": {
      "header": true
    }
  },
  "metadata": {},
  "archived_at": null,
  "created_at": "2026-07-10T08:00:00Z",
  "updated_at": "2026-07-15T03:00:00Z",
  "request_id": "req_xxx"
}