keywrod library sorting issue and fitlers inclusion, adn PLAN for refactor of whole page realted

backend/igny8_core/api/pagination.py

@@ -47,3 +47,19 @@ class CustomPageNumberPagination(PageNumberPagination):
         
         return Response(response_data)
 
+
+class LargeTablePagination(CustomPageNumberPagination):
+    """
+    Pagination class for large reference tables (e.g., SeedKeywords).
+    
+    Default page size: 25
+    Max page size: 500
+    
+    Important: Server-side sorting/filtering is applied to ALL records first,
+    then only the requested page is returned. This ensures:
+    - Sorting by volume returns the 500 highest/lowest volume records globally
+    - Filters apply to all records, not just the visible page
+    - Pagination shows accurate total counts
+    """
+    page_size = 25
+    max_page_size = 500