FathomDB facade crate — re-exports the public Rust surface of fathomdb-engine.
FathomDB CLI — operator and diagnostics binary (fathomdb doctor, fathomdb export, ...).
FathomDB embedder runtime — built-in embedder implementations for the fathomdb-embedder-api trait.
FathomDB embedder trait surface — semver-stable contract for embedder plugins (Axis E).
FathomDB engine — embedded vector + JSON database core (storage, projection, ingest, query).
FathomDB query layer — JSON-filter AST and validation surface (leaf crate).
FathomDB schema — versioned migration registry and bootstrap (leaf crate).