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FieldLab

Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

Demo video · thokchomlolet03-cpu.github.io/…

A rush order arrives just after a worker prints a shipping label. Has packing already started? Two people can read the same instruction and choose different orders. FieldLab lets a procedure author step through that disagreement. In a fictional packing queue, the author can define when packing starts and replay the same arrival. Moving the arrival one event later shows whether the edit still gives the intended decision. We built the simulator, browser interface, local model adapter and evaluation during the hackathon.

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