Replace static top-level import with runtime version check and dynamic
import() so Node < 22.5 gracefully falls back to CLI path instead of
crashing at module load time.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
SQLite path was returning null title for sessions without an explicit
title, while the CLI path derives it from the first user message.
Now uses the preview (first user message content) as title fallback,
matching the original CLI behavior.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>