OK. **Nur Ordner. Nur CMD.**

```cmd
cd /d C:\Chat_split
```

### Alles Alte entfernen (falls vorhanden)
```cmd
rmdir /s /q blocks_raw
rmdir /s /q phase1_features
rmdir /s /q logs
```

### Ordner neu anlegen
```cmd
mkdir blocks_raw
mkdir phase1_features
mkdir logs
```

#...