---
spec: metrics.spec.md
---

## Tasks

- [x] Write spec files for metrics module
- [x] Implement LOC counting by language
- [x] Implement language detection from file extensions
- [x] Implement comment/blank/code line classification
- [x] Implement git churn analysis
- [x] Implement test file detection and ratio
- [x] Add JSON output mode
- [x] Wire up CLI subcommand in main.rs
- [x] Run verification suite
