feat(plugins): add source-aware evidence and recording timelines

artemis/data_engine/storage.py

@@ -803,6 +803,11 @@ class StorageManager:
     ):
         """Update the validator execution result and post_image_name for a step."""
         with self._get_connection() as conn:
+            if last_execution_result.get("pre_image_valid") is False:
+                conn.execute(
+                    "UPDATE steps SET pre_image_name = NULL WHERE step_id = ?",
+                    (str(step_id),),
+                )
             if post_image_name:
                 cursor = conn.execute(
                     "SELECT pre_image_name FROM steps WHERE step_id = ?",