Migration assistant restores missing Antigravity IDE chat history after folder move
MRS73694 · reddit · 2026-07-26
Migration assistant fixes Antigravity IDE chat history loss after folder migration
A user hit a bug where Antigravity IDE showed missing chat history and the error Trajectory not found: <UUID> after migration.
After digging into the old data, they found the conversations were still present in the old Antigravity folders, but the IDE was not loading them correctly.
They built a small migration assistant that:
- copies old conversations into the new antigravity-ide folder
- copies old brain folders as well
- skips files and folders that already exist
- supports a dry-run mode
In the author's case, simply copying the old files into the new directories fixed the issue. The repo and latest release are linked for anyone with the same problem.
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