Config error when using azure models with proxy environment variables set

[SteiMi]

Before submitting your bug report

• I believe this is a bug. I'll try to join the Continue Discord for questions
• I'm not able to find an open issue that reports the same bug
• I've seen the troubleshooting guide on the Continue Docs

Relevant environment info

- OS: Windows 11
- Continue version: v0.8.66 and v0.9.261
- IDE version: VSCode 1.96.4
- Model: any Azure OpenAI model (e.g. GPT-4o)
- config.json:
  
{
  "models": {
    {
      "title": "Azure Gpt-4 Omni",
      "provider": "azure",
      "model": "gpt-4o",
      "engine": "gpt-4o",
      "deployment": "gpt-4o",
      "apiBase": "https://YOUR_DEPLOYMENT.openai.azure.com",
      "apiVersion": "2024-08-01-preview",
      "apiKey": "YOUR_API_KEY",
      "apiType": "azure"
    }
  },
  ...
}

Description

When I start VSCode with proxy environment variables set (e.g. https_proxy=http://proxy.company.local:80 and http_proxy=http://proxy.company.local:80) while also having a model in my config with the "azure" provider, I get the error [error] Error: Expecting a valid host string in proxy settings, but found "proxy.company.local". on startup in the Extension Host log.

There are no models to select and continue is not functional.

I have also played around with the VSCode settings "Http: Proxy Support" setting it to "override" or "off" as well as turning the setting "Http: Fetch Additional Support" "on" or "off" but it made no difference for me.

I can fix this issue by starting VSCode in an environment where the variables https_proxy and http_proxy are not set or by removing the models with provider "azure". Both "solutions" are not really ideal.

To reproduce

1. Add a model to your continue config with "provider": "azure".
2. Start VSCode in an environment where you have set the environment variables http_proxy and https_proxy.
3. Continue will now fail to load the config.

Log output

[error] Error: Expecting a valid host string in proxy settings, but found "proxy.company.local".
	at getUrlFromProxySettings (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:77198:11)
	at proxyPolicy (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:77235:40)
	at createPipelineFromOptions (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:77658:25)
	at createDefaultPipeline (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:78484:21)
	at getClient (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:78778:21)
	at createClient (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:78899:18)
	at createOpenAI (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:79030:25)
	at new OpenAIClient (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:80084:24)
	at new AzureOpenAIApi (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:80222:23)
	at constructLlmApi (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:97259:14)
	at Azure2.createOpenAiAdapter (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:108232:16)
	at new BaseLLM (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:108226:35)
	at new OpenAI2 (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:108907:9)
	at new Azure2 (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:587273:9)
	at llmFromDescription (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:598520:10)
	at intermediateToFinalConfig (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:599430:25)
	at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
	at async loadFullConfigNode (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:599893:23)
	at async doLoadConfig (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:600486:20)
	at async ConfigHandler.reloadConfig (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:600894:59)
	at async StatWatcher.<anonymous> (c:\Users\me\.vscode\extensions\continue.continue-0.8.66-win32-x64\out\extension.js:649684:13)