fix: ensure litellm_metadata is attached to pre_call guardrail to align with post_call guardrail#25641

krrish-berri-2 merged 5 commits intoBerriAI:litellm_oss_staging_04_14_2026_p1BerriAI/litellm:litellm_oss_staging_04_14_2026_p1from

GraySwanAI:fix/send-litellm-metadata-guardrail-precallGraySwanAI/litellm:fix/send-litellm-metadata-guardrail-precallCopy head branch name to clipboard