pub const FULLTEXT: [(&str, &str); 8];Expand description
(label, field) pairs this module indexes for full-text search.
Note and Concept are indexed here rather than where they are written
(remember and the semantic-pass ingest_json) because a store synced
after either wrote is still expected to gain the index — remember also
ensures its own Note.text pair, in case it is the very first write.