feat: add tags serializer field

program/serializers.py

@@ -25,6 +25,7 @@ from functools import cached_property
 from zoneinfo import ZoneInfo
 
 from drf_jsonschema_serializer import JSONSchemaField
+from drf_spectacular.utils import extend_schema_field
 from rest_framework import serializers
 from rest_framework.permissions import exceptions
 
@@ -1174,6 +1175,12 @@ class NoteLinkSerializer(serializers.ModelSerializer):
 tags_json_schema = {"type": "array", "items": {"type": "string"}}
 
 
+@extend_schema_field(list[str])
+class TagsField(JSONSchemaField):
+    def __init__(self, *args, **kwargs):
+        super().__init__({"type": "array", "items": {"type": "string"}}, *args, **kwargs)
+
+
 class NoteSerializer(serializers.ModelSerializer):
     contributor_ids = serializers.PrimaryKeyRelatedField(
         many=True,