hard fix prompt griffleisten fuge entfernen grip strip interpretation fix critical correct the misinterpretation of vertical grip strips target outcome only one single vertical applied oak grip strip per defined door remove false double line effect eliminate the visual double line appearance rules remove the vertical joint line next to the grip strip no shadow gap beside the strip no parallel groove no twin line geometry no panel split next to handle the grip strip must not be read as a joint between two doors define correct construction grip strips must read as applied elements not panel separations construction clarity one solid door panel one applied vertical oak strip on top no seam underneath no visible mounting gap flush mounted appearance explicit negative constraints important no double vertical lines no mirrored handle effect no fake symmetry no recessed handle grooves no milled channels no panel joints next to handles visual hierarchy door surface remains calm and continuous grip strip reads as a single clean vertical accent minimal shadow very subtle edge definition swiss minimal joinery aesthetic geometry protection do not change door layout do not change furniture proportions do not reduce number of doors only remove false joints next to grip strips material continuity same rift cut oak same vertical grain logic same neutral oak tone maintain maintain colors precision