...)
```

### B) Erlaube nur definierte Marker-Typen
Auch in `validate_schema(...)`:

```python
    allowed_types = {
        "plan","fortschritt","entscheidung","problem","symptom","stress","konflikt","suizid","erschöpfung"
    }
    for key in ("progress_markers", "distress_markers"):
        for i, it in enumerate(data[key]):
            if it["type"] not in allowed_types:
                raise ValueErr...