Seaweed came with a quart of oil, some junk under the galley sink and that's it. The former owner did gift me a stove-top oven that I still use. Propane stove but no tank. She had dock lines and a totally inadequate anchor plus the ugliest curtains you can imagine.
But she had potential.
I've got manuals for everything I've bought in a plastic folder case. Sorted alphabetically so stuff is easy to locate.
One thing I do with the paperwork though is remove all pages that are not in English. I don't need Spanish, French, German, how to's for my stuff. Scissors eliminate the extraneous.
On the front of each "Book of Words" (aka instruction manual) I note the date and price paid, plus any warranty times I need to remember. Just in case!
And a friend found the shop manual for my new diesel, had it printed on heavy duty paper, spiral bound with a nice cover. That has a special place in my bookcase. It's spiffy!
For me, I prefer a hard copy versus electronic versions.
To answer the question: nothing came with Seaweed but potential.