fix/sf-11-sales-period-drill-in
main
Per review #285 (HIGH BLOCK): - DOM.РФ URL: кириллический slug → latin path (/services/catalog-newbuildings/object/{id}) для stable behavior - Replace <> Fragment без key → <Fragment key={signature}> (убирает React warning при .map). Closing </> → </Fragment> - a11y: <tr onClick> теперь имеет tabIndex, role="button", aria-expanded, onKeyDown (Enter/Space) — keyboard drill-in Inline hex tokens (medium) — отложено в follow-up (epic #271 #19).
Add «Срок продажи (мес)» column (supply / velocity, colored by urgency) and click-to-expand drill-in row showing competitor_obj_ids as DOM.РФ linked badges. Both fields were already present in TopLayoutRow type. Closes #271 item 11
