I'm looking for a text editor that does auto-completion for markdown links (that is, filenames) in the same project? This must exist, but I haven't found it.

You know how in notetakinng webapps like amplenote, roam etc (also obsidian) you can type '[[' and get a list of notes in the same folder to link to? I want that in a text editor. Tried plenty, couldn't find it. Must be linux.

The reason I want this is because I've found gemini: protocol and I want to publish a digital garden (zettelkasten) there. You link constantly when writing in a zettelkasten, so without that functionality I can't work.

Forgot: it cannot be electron-based. I want fast typing latency.

Logseq doesn't seem to have versioning per block. Which other of the clones does? Roam is expensive for just this feature...

Amplenote can fold bullet lists and you can go wild with those. So if 3 heading levels are not enough, using bullets would get you a bit of the outliner 'features.'

It only exports as markdown. But I just copy-pasted a note into an empty libreoffice doc and it keeps all formatting beautifully.

This thing is a work of art.