chore: clean up dead code and unused deps before v1.0

app/serializers.py

@@ -11,7 +11,7 @@ class Meta:
 class HsCodeSerializer(serializers.ModelSerializer):
     class Meta:
         model = HsCode
-        fields = "__all__"
+        fields = ["id", "hs_code", "description", "created_at"]
 
 
 class CategorySerializer(serializers.ModelSerializer):

app/services/file_upload_service.py

@@ -2,9 +2,7 @@
 import io
 from dataclasses import dataclass
 
-from app.models import HsCode, HsCodeFile, Category
-from .category_service import HS_CHAPTER_CATEGORIES, get_or_create_category_for_hs_code
-
+from app.models import HsCode, HsCodeFile
 
 @dataclass
 class UploadResult:

app/views.py

@@ -42,7 +42,9 @@ def post(self, request):
 
 class HsCodeSearchView(generics.ListAPIView):
     serializer_class = HsCodeSerializer
-
+    authentication_classes = []
+    permission_classes = []
+
     def get_queryset(self):
         try:
             q = self.request.query_params.get("q")

requirements.txt

@@ -3,11 +3,7 @@ attrs==26.1.0
 dj-database-url==3.1.2
 Django==6.0.5
 django-cors-headers==4.9.0
-django-filter==25.2
-django-redis==6.0.0
 djangorestframework==3.17.1
-djangorestframework_simplejwt==5.5.1
-drf-spectacular==0.29.0
 gunicorn==26.0.0
 inflection==0.5.1
 jsonschema==4.26.0