## Properties

`configured` boolean

A usable key exists (runtime config or env var).

`source` string

custom = stored via PUT /config/agent; env = deployment env var; none = no key.

`"custom"``"env"``"none"`

`masked` string (nullable)

Masked preview (first 6 + last 4 chars) - only for runtime-configured keys.

## Example

AckdbAgentApiKeyStatus example

```
{
  "configured": false,
  "source": "custom",
  "masked": "sk-ant…abcd"
}
```