v0.31.0

What's Changed

• Column permissions: the data routes withhold a column the caller's role may not read or write.

Re-published after the repository was recreated on 2026-10-10. The binary cufflink-linux-x86_64 is byte-identical to the original release (sha256 852299264ccb5600c28a66a3c0d3363ec8b5f3a93bc0063b71e72d809b6a8524).