What's Changed
- chore: make agent mistakes fail early by @t3dotgg in #26167
- feat(marketing): hero shows four agents running at once by @t3dotgg in #26875
- fix(web): undo notice moves to the sidebar footer so it never covers a thread by @t3dotgg in #26874
- feat: turn a No project thread into a project by @t3dotgg in #26767
- feat(antigravity): Claude and GPT models, thinking levels, and diff edits by @t3dotgg in #26876
- feat(web): choose what the thread details card shows by @t3dotgg in #26904
Full Changelog: v0.1.5-nightly.20261029.3867...v0.1.5-nightly.20261029.3873