Unified multi-model database: tables, documents, graphs, vectors, and key-value in one engine. Umbrella crate that hosts the `red` binary and re-exports the workspace.
fnmain(){// gRPC proto compilation moved to crates/reddb-grpc-proto/build.rs.
// This file is intentionally empty for now; future build-time
// codegen for the umbrella crate would land here.
}