many fixes of backeend and fronteend

backend/igny8_core/tasks.py

@@ -0,0 +1,16 @@
+import logging
+from celery import shared_task
+from django.core.management import call_command
+
+logger = logging.getLogger(__name__)
+
+
+@shared_task(name='igny8_core.purge_soft_deleted')
+def purge_soft_deleted_task():
+    """Periodic task to purge expired soft-deleted records."""
+    try:
+        call_command('purge_soft_deleted')
+    except Exception as exc:
+        logger.exception("purge_soft_deleted task failed: %s", exc)
+        raise
+