//! # paladin-storage
//!
//! SQL-backed repository adapters for the Paladin multi-agent framework.
//!
//! ## Feature flags
//!
//! | Flag | Enables |
//! |------|---------|
//! | `sqlite` | [`sqlite_content_repository`], [`sqlite_user_repository`] |
//! | `mysql` | [`mysql_content_repository`] |
//!
//! Enable only the backends your deployment actually uses.
/// SQLite implementation of `ContentRepository`, `ContentListRepository`,
/// `MigrationManager`, and `SqlStore`.
/// SQLite implementation of `UserRepositoryPort`.
/// SQLite implementation of `WorkflowRepositoryPort`.
/// MySQL implementation of `ContentRepository`, `ContentListRepository`,
/// `MigrationManager`, and `SqlStore`.