feat: Implement initial schema and add various API, service, and management command enhancements across the application.

backend/apps/api/v1/serializers/search.py

@@ -19,9 +19,7 @@ class EntitySearchInputSerializer(serializers.Serializer):
 
     query = serializers.CharField(max_length=255, help_text="Search query string")
     entity_types = serializers.ListField(
-        child=serializers.ChoiceField(
-            choices=ModelChoices.get_entity_type_choices()
-        ),
+        child=serializers.ChoiceField(choices=ModelChoices.get_entity_type_choices()),
         required=False,
         help_text="Types of entities to search for",
     )
@@ -39,17 +37,12 @@ class EntitySearchResultSerializer(serializers.Serializer):
     id = serializers.IntegerField()
     name = serializers.CharField()
     slug = serializers.CharField()
-    type = RichChoiceFieldSerializer(
-        choice_group="entity_types",
-        domain="core"
-    )
+    type = RichChoiceFieldSerializer(choice_group="entity_types", domain="core")
     description = serializers.CharField()
     relevance_score = serializers.FloatField()
 
     # Context-specific info — renamed to avoid overriding Serializer.context
-    context_info = serializers.JSONField(
-        help_text="Additional context based on entity type"
-    )
+    context_info = serializers.JSONField(help_text="Additional context based on entity type")
 
 
 class EntitySearchOutputSerializer(serializers.Serializer):