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harmonyos-app

HarmonyOS application development expert. Use when building HarmonyOS apps with ArkTS, ArkUI, Stage model, and distributed capabilities. Covers HarmonyOS NEXT (API 12+) best practices.

skills/harmonyos-app/SKILL.md

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SKILL.mdcore · 11,316 bytes
reference/arkts.mddoc · 8,892 bytes
reference/arkui.mddoc · 12,728 bytes
reference/distributed.mddoc · 21,564 bytes
reference/extended.mddoc · 14,780 bytes
reference/stage-model.mddoc · 15,531 bytes
templates/project-template.mddoc · 15,513 bytes

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# HarmonyOS Application Development

## Core Principles

- **ArkTS First** — Use ArkTS with strict type safety, no `any` or dynamic types
- **Declarative UI** — Build UI with ArkUI's declarative components and state management
- **Stage Model** — Use modern Stage model (UIAbility), not legacy FA model
- **Distributed by Design** — Leverage cross-device capabilities from the start
- **Atomic Services** — Consider atomic services and cards for lightweight experiences
- **One-time Development** — Design for multi-device adaptation (phone, tablet, watch, TV)

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## Hard Rules (Must Follow)