fix: datetime.time serialization (#12)

Author: juggler31

CHANGES.rst

@@ -5,7 +5,7 @@ Changelog
 1.5.2 (unreleased)
 ------------------
 
-*
+* Fix datetime.time serialization
 
 1.5.1 (2026-03-06)
 ------------------

tracking_fields/tracking.py

@@ -130,6 +130,8 @@ def _serialize_field(field):
         return json.dumps(field.strftime("%Y-%m-%d %H:%M:%S"), ensure_ascii=False)
     if isinstance(field, datetime.date):
         return json.dumps(field.strftime("%Y-%m-%d"), ensure_ascii=False)
+    if isinstance(field, datetime.time):
+        return json.dumps(field.strftime("%H-%M"), ensure_ascii=False)
     if isinstance(field, FieldFile):
         try:
             return json.dumps(field.path, ensure_ascii=False)