OpenAI compatibility API

[sanderland]

WIP, not working yet

[sanderland]

to be removed

[Copilot]

Pull Request Overview

This pull request adds support for a custom OpenAI compatibility API endpoint and a model override input, along with updating API call functions to accommodate these changes.

• Adds a custom endpoint input in the GUI and passes it to API request functions
• Updates function signatures and template input events in openai.js and index.html.template to support the new custom endpoint and custom model parameters

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
scalene/scalene-gui/optimizations.js	Adds retrieval of customEndpoint and customModel values and passes them to sendPromptToOpenAI
scalene/scalene-gui/openai.js	Updates functions tryApi, isValidApiKey, checkApiKey, and sendPromptToOpenAI to accept customEndpoint and customModel parameters
scalene/scalene-gui/index.html.template	Adds new input fields for custom OpenAI compatibility API URL and language model override

Comments suppressed due to low confidence (1)

scalene/scalene-gui/optimizations.js:201

• The variable 'customEndpoint' is assigned without being declared, which may result in an unintended global variable. Please declare it (e.g., using 'let customEndpoint = ...') to ensure proper scoping.

customEndpoint = document.getElementById("openai-compatibility-api-url").value;