Shareable instruction files for Cursor, Claude Code, Copilot, Windsurf, and more — installed alongside your existing agent rules.
1. Create session in `.cursor/scratchpad.md`:
In each source file, maintain the up-to-date `this_file` record that shows the path of the current file relative to project root. Place the `this_file` record near the top of the file, as a comment after the shebangs, or in the YAML Markdown frontmatter.
> **Start here → then read [AGENTS.md](AGENTS.md) for the full map.**