Sorting LiteLLM GitHub issues by difficulty to implement. Higher = harder.

{
Issue #35109 is harder because it requires cross-cutting proxy, authentication, configuration, vector-provider, isolation, and security work, while #27591 is a localized environment-value parsing fix.
}
https://github.com/berriai/litellm/issues/35109 10:1 https://github.com/berriai/litellm/issues/27591