Remember I asked about sleeving cables under the BB? No? Well, after spraying lube, dry and wet, along the exposed path and working the FD by hand, it was still sticking, so I replaced the cable and sleeved it. Now it’s like a new system.
The FD cable runs in the bottom slot from right to left and through the window in the tab. It all looks pretty smooth, but it must bind somewhere. It came sleeved, but I took it off when I replaced the cables a month ago.