Agent-Skills.md

Agent Skills: Spatial App Architecture

Choose and refactor visionOS app architecture across surfaces, scene boundaries, state ownership, and file layout. Use when deciding window vs volume vs immersive space, splitting a feature across scenes, cleaning up a monolithic spatial root, or defining the ownership map before implementing SwiftUI or RealityKit details.

UncategorizedID: tomkrikorian/visionOSAgents/spatial-app-architecture

Repository

tomkrikorian/visionOSAgents
tomkrikorianLicense: MIT
588

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pnpm dlx add-skill https://github.com/tomkrikorian/visionOSAgents/tree/HEAD/skills/spatial-app-architecture

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skills/spatial-app-architecture/SKILL.md

Skill Metadata

Name
spatial-app-architecture
Description
Choose and refactor visionOS app architecture across surfaces, scene boundaries, state ownership, and file layout. Use when deciding window vs volume vs immersive space, splitting a feature across scenes, cleaning up a monolithic spatial root, or defining the ownership map before implementing SwiftUI or RealityKit details.

Spatial App Architecture

Quick Start

Use this skill for architecture questions, not API questions.

Use it when:

  • you need to choose the right surface: window, volume, immersive space, or a mixed flow
  • you are deciding which state is app-wide, scene-scoped, immersive-scoped, or view-local
  • a root file owns too many concerns and needs a refactor plan
  • you need a file or module plan before writing or splitting SwiftUI code

Load References When

| Reference | When to Use | |-----------|-------------| | references/surface-selection.md | When choosing window vs volume vs immersive space and their lifecycle boundaries. | | references/state-ownership.md | When deciding what belongs to the app, scene, feature coordinator, RealityKit owner, or view. | | references/file-layouts.md | When proposing a layered or feature-sliced file and module shape. | | references/refactor-playbook.md | When the app already exists and the main task is refactoring without breaking behavior. | | references/anti-patterns.md | When you need to call out structural smells or explain why an approach is wrong. |

Workflow

  1. Classify the feature by user job and current or intended surface.
  2. Choose the owning surface model: window, volume, immersive space, or a combination.
  3. Assign state ownership boundaries: app, scene, immersive, feature, view.
  4. Choose a file/module shape that matches the ownership model.
  5. Define the implementation handoff: SwiftUI, RealityKit, ARKit, SharePlay, or build/debug.
  6. If this is a refactor, sequence the extraction so behavior stays stable.
  7. Verify the structure with build-run-debug after the first usable slice.

When To Switch Skills

  • Switch to spatial-swiftui-developer when the surface and ownership model are already chosen and the next step is implementing SwiftUI APIs.
  • Switch to realitykit-visionos-developer when the work is mainly about entities, components, systems, or RealityKit runtime behavior.
  • Switch to arkit-visionos-developer when the architecture choice depends on provider constraints, anchors, or tracked-world behavior.
  • Switch to shareplay-developer when the app structure is driven by group activity or shared immersive presence.
  • Switch to build-run-debug after the first usable architectural slice exists and needs validation.

Guardrails

  • Do not choose immersion by novelty alone.
  • Do not let transient views own long-lived immersive lifecycle or RealityKit mutation.
  • Preserve strong repo conventions when they are already coherent.

Output Expectations

Provide:

  • the chosen surface model and why
  • the ownership map: app, scene, feature model/coordinator, reality owner, view
  • the proposed file/module shape
  • the refactor slices, if this is brownfield work
  • the next implementation handoff: spatial-swiftui-developer, realitykit-visionos-developer, arkit-visionos-developer, shareplay-developer, or build-run-debug