A solid hardwood dining chair with a slip-seat upholstery system — leather-covered cushion built as a separate sub-assembly that drops into the frame and is held by tension from below, field-replaceable when the seat eventually wears without re-upholstering the whole chair. The frame is slim by intent: round-tapered legs, gently curved back posts, low cross-stretchers visible between the legs, and a minimal back with a single horizontal rail and…