# TODO — src/ahc
## Current
## Next
- [ ] Add property test: clustering is deterministic for identical inputs.
- [ ] Benchmark AHC vs scikit-learn reference on small synthetic data.
## Known Gaps
- No benchmark for AHC runtime scaling with embedding count.
- Elbow heuristic is not configurable from the public API.
## Deferred
- [ ] Explore single-linkage vs complete-linkage variants.