- Switch from pydantic-ai to pydantic-ai-slim[openai]
- Removes unused provider SDKs (anthropic, boto3, cohere, google, groq, huggingface)
- Production packages: 53 (down from ~158)
- Production footprint: 178MB
- Add DEPENDENCY_SLIM.md with rollback instructions
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
