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

{
Issue #30662 is harder because it requires tracing callback metadata through the passthrough pipeline, defining safe sanitization or serialization behavior, and adding regression coverage across integrations; #28081 is a narrower provider-specific request translation fix.
}
https://github.com/berriai/litellm/issues/30662 3:1 https://github.com/berriai/litellm/issues/28081