@kco that's another misconception, we're lead to think every time we finish downloading a torrent and start seeding it it'll show up in the seeding list on the site. That's true for cases where you have selected all the files without skipping evem and a single one.
When you select all files from a torrent and don't keep seeding them, they'll show you on "completed torrents" list. But in any scenario where you only select a few files from a given torrent, as long as they are active (downloading or seeding) they will always show up on the "leeching torrents" list.
If your client says they are seeding and the status says working, you can rest assured they are seeding. Also bear in mind that there is a limit for maximum active concurrent downloads, torrents that you haven't downloaded fully will forever occupy a slot as long as they are active. So this eventually might end up in you adding a torrent to download and it refusing to start, the tracker will report a ratio issue but it's actually a lack of available download slots.