pub fn query_embedding_models(
db: Option<&Path>,
engine_filter: Option<&str>,
) -> Result<Vec<EmbeddingModelRegistryRecord>, SqliteError>Expand description
Query the _embedding_models registry.
Opens the database at db (defaults to ~/.khive/khive.db) and
returns all registry rows, optionally filtered by engine_name.
Returns an empty vec if the database or table does not exist.