hwc-realtime-streaming

The code is not indicative of malware or a supply-chain backdoor. It contains a meaningful client-side security risk: untrusted WebSocket state is inserted into innerHTML without escaping, which can enable DOM XSS if the WebSocket endpoint or its messages are compromised or attacker-controlled. Replace innerHTML updates with textContent or safe DOM APIs, and validate WebSocket messages and endpoint configuration. The conclusion is limited to the supplied documentation and code fragment.