fix: update stale string-snapshot assertions for refactored anchor loop

tests/test_live_to_final_anchor_visible_order.py

@@ -710,8 +710,8 @@ def test_settled_anchor_scene_persists_the_full_assistant_turn_not_only_tail():
     assert "message.reasoning||message._reasoning||message.reasoning_content||message.thinking" in reasoning_text
     assert "const reasoning=_anchorSceneMessageReasoningText(message);" in rows_by_message
     assert "const toolCalls=Array.isArray(S.toolCalls)?S.toolCalls:[]" in rows_by_message
-    assert "idx<=turnStart||idx>=lastAsstIndex" in rows_by_message
-    assert "add(idx,_anchorSceneToolRowFromCall(tool,order++,idx));" in rows_by_message
+    assert "toolIdx<=turnStart||toolIdx>=lastAsstIndex" in rows_by_message
+    assert "_anchorSceneToolRowFromCall(tool,0,idx)" in rows_by_message
 
 
 def test_settled_anchor_scene_preserves_live_projected_order_before_backfill():