refactor

backend/textkit.py

@@ -3,12 +3,22 @@
 No state, no IO — safe to import anywhere.
 """
 
+import json
 import re
 import unicodedata
 
 _CATEGORIES = ("KERN", "WICHTIG", "REST")  # only for the legacy-format reader now
 
 
+def parse_facts(raw) -> dict:
+    """subblocks.facts ist ein JSON-Blob aus LLM-Hand — leer/kaputt/kein dict → {}."""
+    try:
+        d = json.loads(raw) if raw else {}
+    except (ValueError, TypeError):
+        return {}
+    return d if isinstance(d, dict) else {}
+
+
 def _norm_title(s: str) -> str:
     """Normalize a title for key comparison.