# `core` Core foundation — types, errors, configuration, schema registry, and utilities. ## Packages in `core` 7 packages. | Package | Description | |---|---| | [`@suaveplan/config`](./config/README.md) | Layered configuration management for Suaveplan. Resolves an ordered set of typed layers (defaults, file, object, env, CLI) in priority order, deep-merges the r… | | [`@suaveplan/env`](./env/README.md) | Type-safe, schema-first environment variable loading for Node.js and edge runtimes. Define a schema of typed field builders, point it at your sources, and rece… | | [`@suaveplan/error`](./error/README.md) | Foundation error substrate for Suaveplan. Every non-testing `@suaveplan/*` package extends this library's `SuaveplanError` base class and uses its stable code… | | [`@suaveplan/schema-registry`](./schema-registry/README.md) | Versioned schema registry with forward/backward/full compatibility checking for evolving data contracts. Register schemas by subject name, enforce evolution ru… | | [`@suaveplan/types`](./types/README.md) | Types-only foundation package. Zero runtime code, zero dependencies, zero bundle bytes. Provides the canonical shared interfaces that allow every `@suaveplan/*… | | [`@suaveplan/typescript-config`](./typescript-config/README.md) | Shared TypeScript configuration presets for Suaveplan. This package ships composable JSON presets consumed via `"extends"` across every workspace package — no… | | [`@suaveplan/utils`](./utils/README.md) | Zero-external-dependency utility library for Suaveplan. Covers debug helpers, deep object manipulation, platform detection, IEEE 754 float packing, pseudo-rand… |