- Add LLM_API_KEY_HEADER for providers using non-standard auth headers - Support Xiaomi MiMo (uses "api-key" header instead of "x-api-key") - Add extra_headers to LiteLLM calls when custom header is configured - Document LITELLM_ANTHROPIC_DISABLE_URL_SUFFIX for full path URLs 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>