# M1 Mirror Archived Studies

**Archived:** 2026-01-06
**Reason:** Repository cleanup - keeping only V9+ studies active

## Archived Studies

### Cost Reduction Series
| Study | Trials | Best WS | Notes |
|-------|--------|---------|-------|
| V2 | TBD | TBD | Early exploration |
| V3 | TBD | TBD | - |
| V4 | TBD | TBD | - |
| V5 | TBD | TBD | - |
| V6 | TBD | TBD | - |
| V7 | TBD | TBD | - |
| V8 | TBD | TBD | - |

### Cost Reduction Flat Back Series
| Study | Trials | Best WS | Notes |
|-------|--------|---------|-------|
| V1 | TBD | TBD | Initial flat back design |
| V3 | TBD | TBD | V2 was skipped |
| V4 | TBD | TBD | - |
| V5 | TBD | TBD | - |
| V6 | TBD | TBD | - |
| V7 | TBD | TBD | - |
| V8 | TBD | TBD | - |

## Restoration Instructions

To restore a study:
1. Move from _archive/ to parent directory
2. Verify database integrity: `sqlite3 3_results/study.db ".tables"`
3. Check optimization_config.json exists