docs: 添加任务库存历史记录设计

wanshenmean

2026-03-30 5fbc2143bbc408cab50bbb0deb2b36e81f8d8f4c

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{"t":0,"agent":"a1dd170","agent_type":"unknown","event":"agent_stop","success":true}
{"t":0,"agent":"a5ca246","agent_type":"unknown","event":"agent_stop","success":true}