feat(web): refresh palette, simplify ranking toolbar and drop export

tests/test_web_queries.py

@@ -239,10 +239,6 @@ def test_fans_candidates_system_and_export():
             assert system["next_runs"]["snapshot"] > 0
             assert system["next_runs"]["folder_sync"] > FIXED_NOW
             assert system["next_runs"]["discover"] > FIXED_NOW
-
-            exported = q.export_videos(sort="view")
-            assert exported["total"] == 3
-            assert all("metrics" in item for item in exported["items"])
         finally:
             db.close()