test(todos): assert the typed context overview budget

Signed-off-by: jackie-cqz <2557911191@qq.com>

Author: jackie-cqz

tests/control_plane/test_todo_projection_recovery.py

@@ -132,8 +132,10 @@ def test_long_committed_todo_rebuilds_from_the_fresh_head_without_a_second_creat
     assert manager["authority_revision"] == before["provider_revision"]
     assert manager["todos"][0]["todo_id"] == record["todo_id"]
     assert manager["todos"][0]["title"].startswith("Independent evidence")
-    # The existing safe formatter appends its marker outside the text budget.
-    assert manager["todos"][0]["title"] == listed["todo"]["title"][:419].rstrip() + "..."
+    # The typed context owner budgets 420 characters including the ellipsis.
+    assert manager["todos"][0]["title"] == title[:417].rstrip() + "..."
+    assert len(manager["todos"][0]["title"]) <= 420
+    assert manager["todos"][0]["content_truncated"] is True
     code, create_replay = _cli(registry, *create)
     assert code == 0 and create_replay["status"] == "replayed", create_replay
     assert _read(runtime) == before  # No new Todo, provider revision or business receipt.