Mixed document packs need triage before they need...

Most document pipelines are easier to build when you assume each upload is one self-contained document with one obvious role. That assumption breaks quickly in production. Real workflows often receive mixed packs: an invoice plus a receipt, a KYC form plus an ID, a claim form plus supporting pages, or a trade packet with primary and secondary documents mixed together. If all of that goes into one extraction path unchanged, downstream interpretation becomes much harder than it needs to be. What b