linhay

Use for HarmonyOS NEXT development help and local DevEco automation. Covers ArkTS/ArkUI/NDK API lookup, offline guide navigation, DevEco Studio and HarmonyOS Emulator tasks, hdc/uitest/aa/bm/hilog/hidumper diagnostics, and private DevEco interfaces such as CodeGenie, MCP, LanceDB, devecostudio://, ArkUI Inspector, Previewer, Profiler, Doctor, and UxTestService.

Master skill for SectionUI (SectionKit), a powerful data-driven framework for building complex UICollectionView layouts in Swift. Use when working with UICollectionView, building list interfaces, implementing reactive data binding with Combine, optimizing collection view performance, managing selection state, implementing sticky headers/footers, creating waterfall layouts, integrating SwiftUI views, handling scroll events, implementing page-based navigation, or applying production-tested SectionUI patterns. Covers cells, sections, managers, layout plugins, decorations, performance optimization, reactive programming, selection management, scroll observation, page view controllers, and reusable list architecture patterns.

Build, test, debug, and evolve the SKIntelligence Swift library with a method-first workflow. Use when tasks involve ACP protocol/client/server/transport behavior, `ski acp` CLI flows, regression gating, focused Swift test execution, codex-acp smoke validation, or core module work in Streaming/Memory/MCP/TextIndex that must follow BDD+TDD plus docs/memory synchronization.

Developer-facing skill for working with the STFilePath Swift library. Use when you need to read, modify, build, test, or generate examples for any STFilePath feature (paths/files/folders, sandbox & containers, watchers, hashing, metadata/permissions/xattrs, mmap/Darwin, search/backup, JSON lines, compression, DownloadableFile, caches/UserDefaults, iOS/macOS integrations).