---
name: weight-backup-clean
description: Backup best models and cleanup old weights.
---

# Weight Backup & Clean

## Flow
1. Read history_batch.json for experiment records
2. Identify top-N best experiments per model
3. Backup best_model.pth to _backups/
4. Cleanup non-best .pth files to free disk

## Per-Model
<<SLOT:model_names>>
Keep top-10 per model by default.