ü,ö,ä, im Context

math-tutor/backend/app/deterministic_services/context_stores/context_store_base.py

@@ -73,7 +73,7 @@ def save_sheet(sheet: dict[str, Any]) -> None:
 
     chat_id = sheet.get("chat_id", "unknown")
     latest_path = os.path.join(_LOG_DIR, f"{chat_id}_latest.json")
-    payload = json.dumps(sheet, ensure_ascii=True, indent=2)
+    payload = json.dumps(sheet, ensure_ascii=False, indent=2)
 
     with open(latest_path, "w", encoding="utf-8") as file_handle:
         file_handle.write(payload)

math-tutor/backend/app/deterministic_services/session_store.py

@@ -52,7 +52,7 @@ def archive_chat(
     }
 
     os.makedirs(_LOG_DIR, exist_ok=True)
-    payload = json.dumps(record, ensure_ascii=True)
+    payload = json.dumps(record, ensure_ascii=False)
     with _LOCK:
         with open(_LOG_PATH, "a", encoding="utf-8") as f:
             f.write(payload + "\n")

math-tutor/backend/app/deterministic_services/tool_logging.py

@@ -42,5 +42,5 @@ def write_tool_log(entries: list[dict], created_at: str | None = None, chat_id:
         except (OSError, json.JSONDecodeError):
             pass
     with open(path, "w", encoding="utf-8") as f:
-        json.dump(payload, f, ensure_ascii=True, indent=2)
+        json.dump(payload, f, ensure_ascii=False, indent=2)
     return path