//! Query-engine playground crate.
//!
//! The current codebase primarily contains a chase-based reasoning core plus
//! lightweight frontends for experimenting with rule-driven query answering.
//! It is not yet a full SQL engine with logical and physical planning layers.

pub mod chase;
pub mod frontend;

// Curated convenience re-exports for the current public crate surface.
// Lower-level reasoning and provenance APIs remain under `query_engine::chase`.
pub use chase::{
    Atom, ChaseConfig, ChaseError, ChaseResult, ChaseVariant, Instance, Rule, RuleBuilder, Term,
    chase, chase_with_config, standard_chase,
};