What happened?

vector serialization bug during migration

What did you expect?

a clean migration

Steps to reproduce

1. Had on device database
2. moved to online database
3. got error

Environment

• gbrain version: (gbrain version) 0.92
• OS: macOS Tahoe latest
• Bun version: (bun --version) 1.3.12
• Database: Supabase / self-hosted Postgres both

gbrain doctor --json output

(paste output here)