Room-Inspired Local Persistence in Swift: A Production GRDB Architecture (opens in new tab)

Introduction If you've built Android apps with Room, you already think in a layered persistence model: entities define your schema, DAOs handle queries, repositories abstract the data layer, and ViewModels stay completely ignorant of the database. It's clean, testable, and scalable. When you cross to iOS and reach for local persistence, you hit a wall. Core Data is powerful but infamous for its boilerplate and threading pitfalls. SwiftData is promising but young. GRDB (a Swift SQLite toolkit)...