## Add CLAUDE.md for AI coding agents

This PR adds a `CLAUDE.md` file generated by [agentkit-cli](https://github.com/mikiships/agentkit-cli).

`CLAUDE.md` gives AI coding agents (Claude Code, Codex, etc.) structured context about this repository:
- Architecture overview and key patterns
- Common commands (build, test, lint)
- Conventions and style guidelines
- Areas to be careful with

### How it was generated

```bash
pip install agentkit-cli
agentkit pr github:{owner}/{repo}
```

The file was generated by analyzing the codebase structure, existing docs, and common patterns. Feel free to edit it to add project-specific guidance.

### Why this matters

With context files, AI agents perform substantially better on this codebase. Studies show context files reduce errors and improve first-pass success rates for agentic coding tasks.

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*Generated by [agentkit-cli](https://pypi.org/project/agentkit-cli/) — the agent quality toolkit*
