Remediate the 2026-09-03 feature-test findings

shopdb/api/__init__.py

@@ -110,6 +110,19 @@ from shopdb.utils.uploads import send_upload, harden_upload_response
 # nothing. See shopdb/utils/clientip.py.
 from shopdb.utils.clientip import client_ip, strip_port
 
+# Strict date parsing. On the contract surface because every plugin that stores
+# a date needs it and the two that rolled their own both swallowed the error.
+from shopdb.utils.queryargs import QueryArgError, intarg, intargs
+
+# One badge vocabulary for the site: both kiosks read the same physical badges.
+from shopdb.utils.badges import BadgeShapeError, badge_kind, normalise_badge
+
+from shopdb.utils.datevalues import (
+    DateValueError,
+    parse_date,
+    parse_date_fields,
+)
+
 # Import-mode helpers: preserve legacy timestamps during a bulk data import
 from shopdb.utils.import_mode import (
     apply_import_timestamps,
@@ -350,6 +363,15 @@ __all__ = [
     # Response + pagination helpers
     'success_response',
     'error_response',
+    'DateValueError',
+    'QueryArgError',
+    'BadgeShapeError',
+    'badge_kind',
+    'normalise_badge',
+    'intarg',
+    'intargs',
+    'parse_date',
+    'parse_date_fields',
     'paginated_response',
     'ErrorCodes',
     'get_pagination_params',