1. Fix getcursor/cursor#711.

2. Fix cmd-k connection error.

3. Fix cmd-k fast mode bug with empty lines.

4. Fix bm25 search infinite loading.

5. Fix @Codebase in followups.

For those who don't want the chat side-by-side, you can now pop it into your editor! We've also fixed a number of bugs.

Cmd-K now has a fast mode! It is about 1 second faster, and we're working on making it even faster. Let us know what you think!

And a few other quality-of-life updates.