@perrylink/dsh-hs-candidate

HS Top3 candidate + 12-element completeness + tariff version gate — SKU-13 S1 public/synthetic demo. Partial, not GA: 0 real declarations; no filing/origin/four-list/Client. Based on candidate codes, not a legal classification. Tools: hs.elements, hs.classify, hs.lookup | public HS table lookup | R0 | | hs.tariff_version. Apache-2.0.