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macOS AppApp / Tool
Hanji.md
A native macOS markdown editor for plain-file vaults, built on SwiftUI and TextKit 2 with a Swift extension SDK. Incremental Live Preview keeps a keystroke in a 4,000-line note at about 15 ms, with performance budgets checked in CI. Local-first, MIT licensed.
Tech stack
SwiftSwiftUITextKit 2AppKitGRDB (SQLite FTS)Swift Package Manager
Workflow
- GitHub Actions CI: swift run Checks + Perf Budgets
- Tag-Triggered Release Workflow
Built with AI
- Claude Code (Opus + Fable, Design Records in docs/)