Sunday Swift
Swift tutorials, tips, and tricks from Hesham Salman. iOS engineer at Notion.
What I learned setting up a large-scale iOS codebase so that AI coding agents can work in it effectively, from hierarchical documentation to executable skills.
Featured
How we built a skill that lets AI coding agents verify their own iOS changes on a real simulator, with video recording and accessibility auditing.
How I rewrote Claude-XcodePreviews in Swift and accidentally built a declaration-level dependency resolver.
A deep dive into the design, performance, and trade-offs behind Lists, a pure-Swift replacement for UICollectionViewDiffableDataSource.
What happens when you take the human out of the agent loop. Building an autonomous issue-to-PR pipeline in Rust with MCP, fail-open design, and filesystem IPC.
How we built a skill that lets AI coding agents verify their own iOS changes on a real simulator, with video recording and accessibility auditing.
Why wrapping your iOS build commands in a Makefile is the highest-leverage change you can make for AI coding agents.
How I rewrote Claude-XcodePreviews in Swift and accidentally built a declaration-level dependency resolver.
How building a native macOS GitHub notification client exposed surprising gaps in GitHub's public API and stress-tested Lists in a real app.
How to set up an iOS project for git worktrees, including DerivedData isolation, SPM caching, simulator conflicts, and project file merge strategies.