change primary dataset filter

app.py

@@ -285,16 +285,23 @@ class ValidationAnnotator:
         ]
     
     def set_filter(self, filter_value: str):
-        """Set the current filter and update filtered indices."""
+        """Set the current filter and update filtered indices.
+        
+        When 'All' is selected: Show all records including siblings
+        When a specific tag is selected: Show only primary samples with that tag (no siblings)
+        """
         self.current_filter = filter_value
         
         if filter_value == "All":
+            # Show all records including siblings
             self.filtered_indices = list(range(len(self.records)))
         else:
             # Filter by extraction_tag OR judge_tag matching the filter
+            # AND exclude siblings (only show primary samples)
             self.filtered_indices = [
                 i for i, record in enumerate(self.records)
-                if record.get('extraction_tag') == filter_value or record.get('judge_tag') == filter_value
+                if (record.get('extraction_tag') == filter_value or record.get('judge_tag') == filter_value)
+                and record.get('is_primary', True)  # Only primary samples, not siblings
             ]
         
         # Reset to first filtered record if current position is not in filtered set