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

{
Implementing the left issue requires coordinated billing-model changes across cost calculation, reservation consistency, cached-token handling, and regression coverage; the right issue is comparatively localized request-path correction.
}
https://github.com/berriai/litellm/issues/34729 5:1 https://github.com/berriai/litellm/issues/28429