{'foo': 'b', 'bar': ['a', 'b']}
StateSnapshot(values={'foo': 'b', 'bar': ['a', 'b']}, next=(), config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad3e-311d-6a98-8002-fd67129c8a6f'}}, metadata={'source': 'loop', 'step': 2, 'parents': {}}, created_at='2026-04-18T03:08:34.730448+00:00', parent_config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad3e-311c-660c-8001-10e55b51e9b4'}}, tasks=(), interrupts=())
[StateSnapshot(values={'foo': 'b', 'bar': ['a', 'b']}, next=(), config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad5a-3d70-6522-8002-18cb8a9c2920'}}, metadata={'source': 'loop', 'step': 2, 'parents': {}}, created_at='2026-04-18T03:21:07.641875+00:00', parent_config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad5a-3d6f-632a-8001-9ab89bfb348b'}}, tasks=(), interrupts=()),
StateSnapshot(values={'foo': 'a', 'bar': ['a']}, next=('node_b',), config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad5a-3d6f-632a-8001-9ab89bfb348b'}}, metadata={'source': 'loop', 'step': 1, 'parents': {}}, created_at='2026-04-18T03:21:07.641414+00:00', parent_config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad5a-3d6d-60b6-8000-f56001163fe7'}}, tasks=(PregelTask(id='3bfd0ac1-5282-474b-72bf-9fb36ddc1d53', name='node_b', path=('__pregel_pull', 'node_b'), error=None, interrupts=(), state=None, result={'foo': 'b', 'bar': ['b']}),), interrupts=()),
StateSnapshot(values={'foo': '', 'bar': []}, next=('node_a',), config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad5a-3d6d-60b6-8000-f56001163fe7'}}, metadata={'source': 'loop', 'step': 0, 'parents': {}}, created_at='2026-04-18T03:21:07.640512+00:00', parent_config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad5a-3d66-648c-bfff-2a16f380b5a4'}}, tasks=(PregelTask(id='2ec94e33-4f22-0756-b2b3-6e069e77a6c5', name='node_a', path=('__pregel_pull', 'node_a'), error=None, interrupts=(), state=None, result={'foo': 'a', 'bar': ['a']}),), interrupts=()),
StateSnapshot(values={'bar': []}, next=('__start__',), config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '1f13ad5a-3d66-648c-bfff-2a16f380b5a4'}}, metadata={'source': 'input', 'step': -1, 'parents': {}}, created_at='2026-04-18T03:21:07.637766+00:00', parent_config=None, tasks=(PregelTask(id='552648e3-7d04-2dc8-5c52-105425a246d7', name='__start__', path=('__pregel_pull', '__start__'), error=None, interrupts=(), state=None, result={'foo': '', 'bar': []}),), interrupts=())]
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