# Plan: Update README with Cross-File CLI Usage

**Status:** Implemented (2026-03-17). See [cross_file_cli_and_central_stats.md](cross_file_cli_and_central_stats.md).

**ROADMAP:** [Part 3: Cross-File Analysis CLI Tool](../../../ROADMAP.md) — Phase 1, Deliverables

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## Summary

Document how to run the cross-file analysis CLI: commands, options, and example usage.

## Acceptance criteria

- [x] README describes how to run the cross_file CLI and what each command does.
- [x] At least one copy-pasteable example (and JSON-to-file example).
- [x] Options include `--path`, `--output`, `--exclude` (reserved); link to ROADMAP Part 3 and CI example.
