provide-list-of-connected-devices API returns empty response when called before sliding window initialization

When the /v1/provide-list-of-connected-devices API is invoked before the sliding window has started, the API returns an empty response.

**API**
/v1/provide-list-of-connected-devices

**Response:**

<img width="511" height="251" alt="Image" src="https://github.com/user-attachments/assets/2f14902c-6674-4a9a-a3ea-87c49ac1b74b" />

