refactor: Rename launch_type to propulsion_system across the codebase

backend/apps/api/v1/parks/views.py

@@ -22,7 +22,7 @@ from drf_spectacular.types import OpenApiTypes
 from rest_framework import status
 from rest_framework.decorators import action
 from rest_framework.exceptions import ValidationError
-from rest_framework.permissions import IsAuthenticated
+from rest_framework.permissions import IsAuthenticated, AllowAny
 from rest_framework.response import Response
 from rest_framework.viewsets import ModelViewSet
 
@@ -109,9 +109,16 @@ class ParkPhotoViewSet(ModelViewSet):
     Includes advanced features like bulk approval and statistics.
     """
 
-    permission_classes = [IsAuthenticated]
     lookup_field = "id"
 
+    def get_permissions(self):
+        """Set permissions based on action."""
+        if self.action in ['list', 'retrieve', 'stats']:
+            permission_classes = [AllowAny]
+        else:
+            permission_classes = [IsAuthenticated]
+        return [permission() for permission in permission_classes]
+
     def get_queryset(self):  # type: ignore[override]
         """Get photos for the current park with optimized queries."""
         queryset = ParkPhoto.objects.select_related(