//! Correctness-first bidirectional Salesforce and Postgres sync engine.
/// Apply lanes for target systems.
/// Capture workers for source systems.
/// Object-level sync configuration and conflict policy types.
/// Error types for force-sync.
/// Canonical identity types for synced records.
/// Change envelope and cursor types for sync events.
/// Pure planner and merge logic for sync envelopes.
/// Reconciliation helpers for drift detection and repair.
/// Explicit runtime orchestration for the v0.1 vertical slice.
/// Storage backends and migration helpers.
/// Returns the crate version for smoke tests and runtime diagnostics.
pub const