[Bug]: Enable Local endpoints on another network

[metalshanked]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Describe the bug and reproduction steps

Currently, the custom model setting does not seem to be working for HTTP URLs outside of the Docker network used by Openhands containers.

Enable usage of external HTTP endpoints for local LLM installs like ollama, litellm etc

OpenHands Installation

Docker command in README

OpenHands Version

main

Operating System

None

Logs, Errors, Screenshots, and Additional Context

No response