fix(StockInfoService): 修复 Get3DLayoutAsync 方法中 Details null 引用问题

wanshenmean

2026-03-30 b430ac7952d637b6eb9021cc37277402233c9c01

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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}