feat(robot): 完善机械手任务处理逻辑与状态管理

wanshenmean

2026-04-08 adb4016b5eb5b119a899480c321be996d9bf10bd

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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}