db: No schema-versions table
Chatty doesn't seem to maintain a versions table so the current schema versions would be easy to detect:
$ echo ".tables" | sqlite3 chatty-history.db
accounts files messages mm_messages threads
file_metadata message_files mime_type thread_members users
Would be great to have such a table. e.g. calls has
$ echo -e ".headers on \n select * from _gom_version" | sqlite3 records.db
version
1
1
2